A Multiple Shooting Code For Optimization Problems in Differential-Algebraic Equations

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critical error detected redshift -回复

critical error detected redshift -回复解决redshift中的关键错误引言：Redshift是亚马逊Web服务（AWS）的一种数据仓库解决方案，它提供了快速且高效的查询和分析大数据集的能力。

然而，在使用Redshift进行数据处理和分析时，有时会遇到关键错误。

本文将重点讨论在Redshift 中检测到的关键错误，并提供一步一步的解决方案。

第一步：了解关键错误当Redshift检测到关键错误时，它通常会提供一条错误消息，以便我们可以更好地理解问题所在。

首先，我们需要仔细阅读错误消息，以确定具体的错误类型。

这些错误类型可能包括列丢失、表不存在、JOIN错误等。

通过了解错误类型，我们可以更有针对性地解决问题。

第二步：检查语法和查询在使用Redshift时，我们应该确保所有的语法和查询都是正确的。

常见的错误包括拼写错误、缺少必要的逗号、括号不匹配等。

我们应该仔细检查查询以及其参数、表名和列名，确保它们的拼写和语法是正确的。

此外，我们还应该检查查询是否合理。

有时，查询可能会因为性能问题而导致关键错误。

我们可以使用Redshift的性能工具来分析查询，并对其进行优化以提高性能。

第三步：检查表和列当Redshift检测到表或列的错误时，可能是因为它们不存在或被删除。

我们应该检查表和列的存在性，并确保它们的拼写和大小写是正确的。

在Redshift中，表和列的名称是区分大小写的。

如果表或列确实不存在，我们可以考虑重新创建它们。

在Redshift中，我们可以使用CREATE TABLE语句来创建表，使用ALTER TABLE语句来添加或删除列。

第四步：检查权限在使用Redshift时，我们应该确保我们拥有足够的权限执行所需的操作。

如果我们没有足够的权限，我们将无法查询、插入或修改表。

因此，我们应该使用具有足够权限的用户登录到Redshift，并确保我们具有所需的权限。

如果我们不确定我们拥有哪些权限，我们可以检查我们的用户角色和权限。

yolox list index out of range -回复

yolox list index out of range -回复"yolox list index out of range"是一种常见的编程错误，经常在处理列表（list）时出现。

本文将详细解释该错误的含义、原因以及如何解决它。

什么是"yolox list index out of range"错误？在编程中，列表是一种常见的数据结构，用于存储多个值。

每个值在列表中都有一个索引，用于标识其在列表中的位置。

当我们想要访问或操作列表中的元素时，需要使用索引来引用它们。

"yolox list index out of range"错误表示我们试图访问一个超出列表范围的索引。

换句话说，我们试图访问一个不存在的列表元素。

例如，考虑以下代码片段：my_list = [1, 2, 3]print(my_list[3])上述代码尝试访问索引为3的元素，但是列表`my_list`的长度仅为3。

由于Python使用从0开始的索引（即第一个元素的索引为0），因此索引3实际上是一个越界索引。

当我们运行上述代码时，会抛出一个异常，并打印出错误消息："IndexError: list index out of range"。

这表示我们试图访问一个超出范围的索引，因此无法找到所需的列表元素。

为什么会发生"yolox list index out of range"错误？这个错误通常出现在以下情况下：1. 索引超出列表长度：最常见的情况就是我们在尝试访问或操作列表时，使用了一个比列表长度更大的索引。

2. 计算错误：有时，我们可能计算出了错误的索引值，例如使用了错误的变量或表达式。

3. 空列表访问：当尝试访问一个空列表时，任何索引都会超出范围。

因为空列表不包含任何元素，所以无法访问其中的任何索引。

如何解决"yolox list index out of range"错误？要解决"yolox list index out of range"错误，我们需要确保我们使用的索引在列表的有效范围内。

Autodesk Nastran 2023 参考手册说明书

DATINFILE1 ........................................................................................................................................................... 9
FILESPEC ............................................................................................................................................................ 13
DISPFILE ............................................................................................................................................................. 11
File Management Directives – Output File Specifications: .............................................................................. 5
BULKDATAFILE .................................................................................................................................................... 7

VS2008编译的程序在某些机器上运行提示“由于应用程序配置不正确,应用程序未能启动”的问题

VS2008编译的程序在某些机器上运行提示“由于应用程序配置不正确，应用程序未能启动”的问题文章分类:C++编程VC9编译的程序在没有装过VC9（确切的说是.Net Framework3.5）的机器上运行时，如果提示“由于应用程序配置不正确，应用程序未能启动。

重新安装应用程序可能会纠正这个问题。

”这个错误，那么就说明该程序动态链接了VC9的运行时库，（如果还用到了MFC，那么可能动态链接了VC9的MFC库，同理还有ATL库），以及缺少对应的manifest文件，程序在目标机器上没有找到这些库和配置文件，因此导致了这个错误。

出现这种情况的VC9编译器可能存在3个版本，接下来分别阐明：1、没有打过任何补丁的VS2008该版本对应的CRT/MFC/ATL库的版本号为9.0.21022.8，这个版本号在后面会用到。

这个版本的程序部署比较简单，直接把VC安装目录下的redist目录（C:\Program Files\Microsoft Visual Studio 9.0\VC\redist）中需要的库以及对应的manifest文件拷贝到执行程序同目录下，这样程序到任何机器上都能够正常运行了。

2、打过SP1补丁的VS2008打过该补丁后，系统中存在着两个版本的CRT/MFC/ATL库，版本号分别为9.0.21022.8和9.0.30729.1，这导致了manifest文件中记录的版本号和实际库的版本号不一致（程序要求它们的版本号一致才能运行）。

这个版本的程序部署需要两个步骤，首先要使manifest文件中依赖项的版本号与实际库的版本号一致，均为9.0.30729.1，方法是在工程设置中增加一个宏定义_BIND_TO_CURRENT_VCLIBS_VERSION，该宏定义于C:\Program Files\Microsoft Visual Studio 9.0\VC\include\crtassem.h文件中，然后重新编译程序。

Klocwork培训手册K9.1

1.1 KLOCWORK WINDOWS 安装..........................................................................................................1 1.1.1 安装服务器过程 ............................................................................................................. 1 1.1.2 安装加密狗驱动（如果需要） ..................................................................................... 3 1.1.3 安装客户端过程 ............................................................................................................. 4
4.2 命令行分析 ........................................................................................................................... 11 4.3 KMC 分析步骤.......................................................................................................................12 4.4 TORNADO 程序分析 .................................................................................................................14

SIMATIC Visualization Architect系统手册

危险表示如果不采取相应的小心措施，将会导致死亡或者严重的人身伤害。
警告表示如果不采取相应的小心措施，可能导致死亡或者严重的人身伤害。
小心表示如果不采取相应的小心措施，可能导致轻微的人身伤害。
注意表示如果不采取相应的小心措施，可能导致财产损失。
当出现多个危险等级的情况下，每次总是使用最高等级的警告提示。如果在某个警告提示中带有警告可能导致人身伤害的警告三角，则可能在该警告提示中另外还附带有可能导致财产损失的警告。
安全性信息
1
基本知识
2
SIMATIC
安装
3
TIA-Portal
元素和基本设置
4
SIMATIC Visualization Architect
使用 SiVArc
5
系统手册
使用 SiVArc 表达式
6
参考
7
SiVArc 消息
8
在线帮助打印输出 07/2016
在线帮助打印输出
法律资讯警告提示系统ቤተ መጻሕፍቲ ባይዱ
为了您的人身安全以及避免财产损失，必须注意本手册中的提示。人身安全的提示用一个警告三角表示，仅与财产损失有关的提示不带警告三角。警告提示根据危险等级由高到低如下表示。
2.3
关于使用 SiVArc 的基础知识..........................................................................................17
2.4
支持的设备......................................................................................................................21

HP Color LaserJet Enterprise MFP M776用户指南说明书

Legal informationCopyright and License© Copyright 2019 HP Development Company, L.P.Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowedunder the copyright laws.The information contained herein is subject to change without notice.The only warranties for HP products and services are set forth in the express warranty statementsaccompanying such products and services. Nothing herein should be construed as constituting anadditional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.Edition 1, 10/2019Trademark CreditsAdobe®, Adobe Photoshop®, Acrobat®, and PostScript® are trademarks of Adobe Systems Incorporated.Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries.macOS is a trademark of Apple Inc., registered in the U.S. and other countries.AirPrint is a trademark of Apple Inc., registered in the U.S. and other countries.Google™ is a trademark of Google Inc.Microsoft®, Windows®, Windows® XP, and Windows Vista® are U.S. registered trademarks of MicrosoftCorporation.UNIX® is a registered trademark of The Open Group.iiiT able of contents1 Printer overview (1)Warning icons (1)Potential shock hazard (2)Printer views (2)Printer front view (2)Printer back view (4)Interface ports (4)Control-panel view (5)How to use the touchscreen control panel (7)Printer specifications (8)T echnical specifications (8)Supported operating systems (11)Mobile printing solutions (12)Printer dimensions (13)Power consumption, electrical specifications, and acoustic emissions (15)Operating-environment range (15)Printer hardware setup and software installation (16)2 Paper trays (17)Introduction (17)Load paper to Tray 1 (multipurpose tray) (17)Load Tray 1 (multipurpose tray) (18)Tray 1 paper orientation (19)Use alternative letterhead mode (24)Enable Alternative Letterhead Mode by using the printer control-panel menus (24)Load paper to Tray 2 (24)Load Tray 2 (24)Tray 2 paper orientation (26)Use alternative letterhead mode (29)Enable Alternative Letterhead Mode by using the printer control-panel menus (29)Load paper to the 550-sheet paper tray (30)Load paper to the 550-sheet paper tray (30)550-sheet paper tray paper orientation (32)Use alternative letterhead mode (35)Enable Alternative Letterhead Mode by using the printer control-panel menus (35)ivLoad paper to the 2 x 550-sheet paper trays (36)Load paper to the 2 x 550-sheet paper trays (36)2 x 550-sheet paper tray paper orientation (38)Use alternative letterhead mode (41)Enable Alternative Letterhead Mode by using the printer control-panel menus (41)Load paper to the 2,700-sheet high-capacity input paper trays (41)Load paper to the 2,700-sheet high-capacity input paper trays (41)2,700-sheet HCI paper tray paper orientation (43)Use alternative letterhead mode (45)Enable Alternative Letterhead Mode by using the printer control-panel menus (45)Load and print envelopes (46)Print envelopes (46)Envelope orientation (46)Load and print labels (47)Manually feed labels (47)Label orientation (48)3 Supplies, accessories, and parts (49)Order supplies, accessories, and parts (49)Ordering (49)Supplies and accessories (50)Maintenance/long-life consumables (51)Customer self-repair parts (51)Dynamic security (52)Configure the HP toner-cartridge-protection supply settings (53)Introduction (53)Enable or disable the Cartridge Policy feature (53)Use the printer control panel to enable the Cartridge Policy feature (54)Use the printer control panel to disable the Cartridge Policy feature (54)Use the HP Embedded Web Server (EWS) to enable the Cartridge Policy feature (54)Use the HP Embedded Web Server (EWS) to disable the Cartridge Policy feature (55)Troubleshoot Cartridge Policy control panel error messages (55)Enable or disable the Cartridge Protection feature (55)Use the printer control panel to enable the Cartridge Protection feature (56)Use the printer control panel to disable the Cartridge Protection feature (56)Use the HP Embedded Web Server (EWS) to enable the Cartridge Protection feature (56)Use the HP Embedded Web Server (EWS) to disable the Cartridge Protection feature (57)Troubleshoot Cartridge Protection control panel error messages (57)Replace the toner cartridges (58)T oner-cartridge information (58)Remove and replace the cartridges (59)Replace the imaging drums (62)Imaging drum information (62)Remove and replace the imaging drums (63)Replace the toner-collection unit (66)T oner-collection unit information (66)vRemove and replace the toner-collection unit (67)Replace the staple cartridge (M776zs model only) (70)Staple cartridge information (70)Remove and replace the staple cartridge (71)4 Print (73)Print tasks (Windows) (73)How to print (Windows) (73)Automatically print on both sides (Windows) (74)Manually print on both sides (Windows) (74)Print multiple pages per sheet (Windows) (75)Select the paper type (Windows) (75)Additional print tasks (76)Print tasks (macOS) (77)How to print (macOS) (77)Automatically print on both sides (macOS) (77)Manually print on both sides (macOS) (77)Print multiple pages per sheet (macOS) (78)Select the paper type (macOS) (78)Additional print tasks (79)Store print jobs on the printer to print later or print privately (79)Introduction (79)Create a stored job (Windows) (79)Create a stored job (macOS) (80)Print a stored job (81)Delete a stored job (81)Delete a job that is stored on the printer (81)Change the job storage limit (82)Information sent to printer for Job Accounting purposes (82)Mobile printing (82)Introduction (82)Wi-Fi, Wi-Fi Direct Print, NFC, and BLE printing (82)Enable wireless printing (83)Change the Wi-Fi Direct name (83)HP ePrint via email (83)AirPrint (84)Android embedded printing (85)Print from a USB flash drive (85)Enable the USB port for printing (85)Method one: Enable the USB port from the printer control panel (85)Method two: Enable the USB port from the HP Embedded Web Server (network-connectedprinters only) (85)Print USB documents (86)Print using high-speed USB 2.0 port (wired) (86)Method one: Enable the high-speed USB 2.0 port from the printer control panel menus (86)Method two: Enable the high-speed USB 2.0 port from the HP Embedded Web Server (network-connected printers only) (87)vi5 Copy (88)Make a copy (88)Copy on both sides (duplex) (90)Additional copy tasks (92)6 Scan (93)Set up Scan to Email (93)Introduction (93)Before you begin (93)Step one: Access the HP Embedded Web Server (EWS) (94)Step two: Configure the Network Identification settings (95)Step three: Configure the Send to Email feature (96)Method one: Basic configuration using the Email Setup Wizard (96)Method two: Advanced configuration using the Email Setup (100)Step four: Configure the Quick Sets (optional) (104)Step five: Set up Send to Email to use Office 365 Outlook (optional) (105)Introduction (105)Configure the outgoing email server (SMTP) to send an email from an Office 365 Outlookaccount (105)Set up Scan to Network Folder (108)Introduction (108)Before you begin (108)Step one: Access the HP Embedded Web Server (EWS) (108)Step two: Set up Scan to Network Folder (109)Method one: Use the Scan to Network Folder Wizard (109)Method two: Use Scan to Network Folder Setup (110)Step one: Begin the configuration (110)Step two: Configure the Scan to Network Folder settings (111)Step three: Complete the configuration (118)Set up Scan to SharePoint (118)Introduction (118)Before you begin (118)Step one: Access the HP Embedded Web Server (EWS) (118)Step two: Enable Scan to SharePoint and create a Scan to SharePoint Quick Set (119)Scan a file directly to a SharePoint site (121)Quick Set scan settings and options for Scan to SharePoint (122)Set up Scan to USB Drive (123)Introduction (124)Step one: Access the HP Embedded Web Server (EWS) (124)Step two: Enable Scan to USB Drive (124)Step three: Configure the Quick Sets (optional) (125)Default scan settings for Scan to USB Drive setup (126)Default file settings for Save to USB setup (126)Scan to email (127)Introduction (127)Scan to email (127)Scan to job storage (129)viiIntroduction (129)Scan to job storage on the printer (130)Print from job storage on the printer (132)Scan to network folder (132)Introduction (132)Scan to network folder (132)Scan to SharePoint (134)Introduction (134)Scan to SharePoint (134)Scan to USB drive (136)Introduction (136)Scan to USB drive (136)Use HP JetAdvantage business solutions (138)Additional scan tasks (138)7 Fax (140)Set up fax (140)Introduction (140)Set up fax by using the printer control panel (140)Change fax configurations (141)Fax dialing settings (141)General fax send settings (142)Fax receive settings (143)Send a fax (144)Additional fax tasks (146)8 Manage the printer (147)Advanced configuration with the HP Embedded Web Server (EWS) (147)Introduction (147)How to access the HP Embedded Web Server (EWS) (148)HP Embedded Web Server features (149)Information tab (149)General tab (149)Copy/Print tab (150)Scan/Digital Send tab (151)Fax tab (152)Supplies tab (153)Troubleshooting tab (153)Security tab (153)HP Web Services tab (154)Networking tab (154)Other Links list (156)Configure IP network settings (157)Printer sharing disclaimer (157)View or change network settings (157)Rename the printer on a network (157)viiiManually configure IPv4 TCP/IP parameters from the control panel (158)Manually configure IPv6 TCP/IP parameters from the control panel (158)Link speed and duplex settings (159)Printer security features (160)Introduction (160)Security statements (160)Assign an administrator password (160)Use the HP Embedded Web Server (EWS) to set the password (160)Provide user access credentials at the printer control panel (161)IP Security (161)Encryption support: HP High Performance Secure Hard Disks (161)Lock the formatter (161)Energy-conservation settings (161)Set the sleep timer and configure the printer to use 1 watt or less of power (161)Set the sleep schedule (162)Set the idle settings (162)HP Web Jetadmin (163)Software and firmware updates (163)9 Solve problems (164)Customer support (164)Control panel help system (165)Reset factory settings (165)Introduction (165)Method one: Reset factory settings from the printer control panel (165)Method two: Reset factory settings from the HP Embedded Web Server (network-connectedprinters only) (166)A “Cartridge is low” or “Cartridge is very low” message displays on the printer control panel (166)Change the “Very Low” settings (166)Change the “Very Low” settings at the control panel (166)For printers with fax capability (167)Order supplies (167)Printer does not pick up paper or misfeeds (167)Introduction (167)The printer does not pick up paper (167)The printer picks up multiple sheets of paper (171)The document feeder jams, skews, or picks up multiple sheets of paper (174)Clear paper jams (174)Introduction (174)Paper jam locations (174)Auto-navigation for clearing paper jams (175)Experiencing frequent or recurring paper jams? (175)Clear paper jams in the document feeder - 31.13.yz (176)Clear paper jams in Tray 1 (13.A1) (177)Clear paper jams in Tray 2 (13.A2) (182)Clear paper jams in the fuser (13.B9, 13.B2, 13.FF) (188)ixClear paper jams in the duplex area (13.D3) (194)Clear paper jams in the 550-sheet trays (13.A3, 13.A4) (199)Clear paper jams in the 2 x 550 paper trays (13.A4, 13.A5) (206)Clear paper jams in the 2,700-sheet high-capacity input paper trays (13.A3, 13.A4, 13.A5, 13.A7) (213)Resolving color print quality problems (220)Introduction (220)Troubleshoot print quality (221)Update the printer firmware (221)Print from a different software program (221)Check the paper-type setting for the print job (221)Check the paper type setting on the printer (221)Check the paper type setting (Windows) (221)Check the paper type setting (macOS) (222)Check toner-cartridge status (222)Step one: Print the Supplies Status Page (222)Step two: Check supplies status (222)Print a cleaning page (222)Visually inspect the toner cartridge or cartridges (223)Check paper and the printing environment (223)Step one: Use paper that meets HP specifications (223)Step two: Check the environment (223)Step three: Set the individual tray alignment (224)Try a different print driver (224)Troubleshoot color quality (225)Calibrate the printer to align the colors (225)Troubleshoot image defects (225)Improve copy image quality (233)Check the scanner glass for dirt and smudges (233)Calibrate the scanner (234)Check the paper settings (235)Check the paper selection options (235)Check the image-adjustment settings (235)Optimize copy quality for text or pictures (236)Edge-to-edge copying (236)Improve scan image quality (236)Check the scanner glass for dirt and smudges (237)Check the resolution settings (238)Check the color settings (238)Check the image-adjustment settings (239)Optimize scan quality for text or pictures (239)Check the output-quality settings (240)Improve fax image quality (240)Check the scanner glass for dirt and smudges (240)Check the send-fax resolution settings (242)Check the image-adjustment settings (242)Optimize fax quality for text or pictures (242)Check the error-correction setting (243)xSend to a different fax machine (243)Check the sender's fax machine (243)Solve wired network problems (244)Introduction (244)Poor physical connection (244)The computer is unable to communicate with the printer (244)The printer is using incorrect link and duplex settings for the network (245)New software programs might be causing compatibility problems (245)The computer or workstation might be set up incorrectly (245)The printer is disabled, or other network settings are incorrect (245)Solve wireless network problems (245)Introduction (245)Wireless connectivity checklist (245)The printer does not print after the wireless configuration completes (246)The printer does not print, and the computer has a third-party firewall installed (246)The wireless connection does not work after moving the wireless router or printer (247)Cannot connect more computers to the wireless printer (247)The wireless printer loses communication when connected to a VPN (247)The network does not appear in the wireless networks list (247)The wireless network is not functioning (247)Reduce interference on a wireless network (248)Solve fax problems (248)Checklist for solving fax problems (248)What type of phone line are you using? (249)Are you using a surge-protection device? (249)Are you using a phone company voice-messaging service or an answering machine? (249)Does your phone line have a call-waiting feature? (249)Check fax accessory status (249)General fax problems (250)The fax failed to send (250)No fax address book button displays (250)Not able to locate the Fax settings in HP Web Jetadmin (250)The header is appended to the top of the page when the overlay option is enabled (251)A mix of names and numbers is in the recipients box (251)A one-page fax prints as two pages (251)A document stops in the document feeder in the middle of faxing (251)The volume for sounds coming from the fax accessory is too high or too low (251)Index (252)xiPrinter overview1Review the location of features on the printer, the physical and technical specifications of the printer,and where to locate setup information.For video assistance, see /videos/LaserJet.The following information is correct at the time of publication. For current information, see /support/colorljM776MFP.For more information:HP's all-inclusive help for the printer includes the following information:●Install and configure●Learn and use●Solve problems●Download software and firmware updates●Join support forums●Find warranty and regulatory informationWarning iconsUse caution if you see a warning icon on your HP printer, as indicated in the icon definitions.●Caution: Electric shock●Caution: Hot surface●Caution: Keep body parts away from moving partsPrinter overview1●Caution: Sharp edge in close proximity●WarningPotential shock hazardReview this important safety information.●Read and understand these safety statements to avoid an electrical shock hazard.●Always follow basic safety precautions when using this product to reduce risk of injury from fire orelectric shock.●Read and understand all instructions in the user guide.●Observe all warnings and instructions marked on the product.●Use only a grounded electrical outlet when connecting the product to a power source. If you do notknow whether the outlet is grounded, check with a qualified electrician.●Do not touch the contacts on any of the sockets on the product. Replace damaged cordsimmediately.●Unplug this product from wall outlets before cleaning.●Do not install or use this product near water or when you are wet.●Install the product securely on a stable surface.●Install the product in a protected location where no one can step on or trip over the power cord.Printer viewsIdentify certain parts of the printer and the control panel.Printer front viewLocate features on the front of the printer.2Chapter 1 Printer overviewPrinter front view3Printer back viewLocate features on the back of the printer.Interface portsLocate the interface ports on the printer formatter. 4Chapter 1 Printer overviewControl-panel viewThe control panel provides access to the printer features and indicates the current status of the printer.NOTE:Tilt the control panel for easier viewing.The Home screen provides access to the printer features and indicates the current status of the printer.screens.NOTE:The features that appear on the Home screen can vary, depending on the printerconfiguration.Control-panel view5Figure 1-1Control-panel view?i 12:42 PM6Chapter 1 Printer overviewHow to use the touchscreen control panelPerform the following actions to use the printer touchscreen control panel.T ouchT ouch an item on the screen to select that item or open that menu. Also, when scrolling T ouch the Settings icon to open the Settings app.How to use the touchscreen control panel 7SwipeT ouch the screen and then move your finger horizontally to scroll the screen sideways.Swipe until the Settings app displays.Printer specificationsDetermine the specifications for your printer model.IMPORTANT:The following specifications are correct at the time of publication, but they are subject to change. For current information, see /support/colorljM776MFP .T echnical specificationsReview the printer technical specifications.Product numbers for each model ●M776dn - #T3U55A ●Flow M776z - #3WT91A ●Flow M776zs - #T3U56APaper handling specificationsPaper handling features Tray 1 (100-sheet capacity)Included Included Included Tray 2 (550-sheet capacity)IncludedIncludedIncluded8Chapter 1 Printer overview550-sheet paper trayOptional Included Not included NOTE:The M776dn models accept one optional550-sheet tray.Optional Included Included2 x 550-sheet paper tray and standNOTE:The M776dn models accept one optional550-sheet tray that may be installed on top of thestand.Optional Not included Not included2,700-sheet high-capacity input (HCI) paper trayand standNOTE:The M776dn models accept one optional550-sheet tray that may be installed on top of theoptional printer stand.Printer standOptional Not included Not included NOTE:The M776dn models accept one optional550-sheet tray that may be installed on top of theoptional printer stand.Inner finisher accessory Not included Not included Included Automatic duplex printing Included IncludedIncludedIncluded Included Included10/100/1000 Ethernet LAN connection with IPv4and IPv6Hi-Speed USB 2.0Included Included IncludedIncluded Included IncludedEasy-access USB port for printing from a USBflash drive or upgrading the firmwareIncluded Included Included Hardware Integration Pocket for connectingaccessory and third-party devicesHP Internal USB Ports Optional Optional OptionalOptional Optional OptionalHP Jetdirect 2900nw Print Server accessory forWi-Fi connectivity and an additional Ethernet portOptional IncludedIncludedHP Jetdirect 3100w accessory for Wi-Fi, BLE, NFC,and proximity badge readingPrints 45 pages per minute (ppm) on Letter-sizepaper and 46 ppm on A4-size paperEasy-access USB printing for printing from a USBIncluded Included Includedflash driveT echnical specifications9Included Included Included Store jobs in the printer memory to print later orprint privatelyScans 100 pages per minute (ppm) on A4 andIncluded Included Included letter-size paper one-sidedIncluded Included Included 200-page document feeder with dual-headscanning for single-pass duplex copying andscanningNot included Included Included HP EveryPage T echnologies including ultrasonicmulti-feed detectionNot included Included Included Embedded optical character recognition (OCR)provides the ability to convert printed pages intotext that can be edited or searched using acomputerIncluded Included Included SMART Label feature provides paper-edgedetection for automatic page croppingIncluded Included Included Automatic page orientation for pages that haveat least 100 characters of textIncluded Automatic tone adjustment sets contrast,Included Includedbrightness, and background removal for eachpageIncluded Included Includedfolders on a networkIncludedSend documents to SharePoint®Included IncludedIncluded Included Included NOTE:Memory reported on the configurationpage will change from 2.5 GB to 3 GB with theoptional 1 GB SODIMM installed.Mass storage: 500 GB hard disk drive Included Included IncludedSecurity: HP Trusted Platform Module (TPM)Included Included IncludedT ouchscreen control panel Included Included IncludedRetractable keyboard Not included Included Included 10Chapter 1 Printer overviewFax Optional Included IncludedSupported operating systemsUse the following information to ensure printer compatibility with your computer operating system.Linux: For information and print drivers for Linux, go to /go/linuxprinting.UNIX: For information and print drivers for UNIX®, go to /go/unixmodelscripts.The following information applies to the printer-specific Windows HP PCL 6 print drivers, HP print driversfor macOS, and to the software installer.Windows: Download HP Easy Start from /LaserJet to install the HP print driver. Or, go tothe printer-support website for this printer: /support/colorljM776MFP to download the printdriver or the software installer to install the HP print driver.macOS: Mac computers are supported with this printer. Download HP Easy Start either from /LaserJet or from the Printer Support page, and then use HP Easy Start to install the HP print driver.1.Go to /LaserJet.2.Follow the steps provided to download the printer software.Windows 7, 32-bit and 64-bit The “HP PCL 6” printer-specific print driver is installed for this operating system aspart of the software installation.Windows 8.1, 32-bit and 64-bit The “HP PCL-6” V4 printer-specific print driver is installed for this operating systemas part of the software installation.Windows 10, 32-bit and 64-bit The “HP PCL-6” V4 printer-specific print driver is installed for this operating systemas part of the software installation.Windows Server 2008 R2, SP 1, 64-bit The PCL 6 printer-specific print driver is available for download from the printer-support website. Download the driver, and then use the Microsoft Add Printer tool toinstall it.Windows Server 2012, 64-bit The PCL 6 printer-specific print driver is available for download from the printer-support website. Download the driver, and then use the Microsoft Add Printer tool toinstall it.Windows Server 2012 R2, 64-bit The PCL 6 printer-specific print driver is available for download from the printer-support website. Download the driver, and then use the Microsoft Add Printer tool toinstall it.Windows Server 2016, 64-bit The PCL 6 printer-specific print driver is available for download from the printer-support website. Download the driver, and then use the Microsoft Add Printer tool toinstall it.Windows Server 2019, 64-bit The PCL 6 printer-specific print driver is available for download from the printer-support website. Download the driver, and then use the Microsoft Add Printer tool toinstall it.Supported operating systems11macOS 10.13 High Sierra, macOS 10.14 MojaveDownload HP Easy Start from /LaserJet , and then use it to install the print driver.NOTE:Supported operating systems can change.NOTE:For a current list of supported operating systems and HP’s all-inclusive help for the printer, go to /support/colorljM776MFP .NOTE:For details on client and server operating systems and for HP UPD driver support for this printer, go to /go/upd . Under Additional information , click Specifications .●Internet connection●Dedicated USB 1.1 or 2.0 connection or a network connection● 2 GB of available hard-disk space ●1 GB RAM (32-bit) or2 GB RAM (64-bit)●Internet connection●Dedicated USB 1.1 or 2.0 connection or a network connection●1.5 GB of available hard-disk spaceNOTE:The Windows software installer installs the HP Smart Device Agent Base service. The file size is less than 100 kb. Its only function is to check for printers connected via USB hourly. No data is collected. If a USB printer is found, it then tries to locate a JetAdvantage Management Connector (JAMc) instance on the network. If a JAMc is found, the HP Smart Device Agent Base is securelyupgraded to a full Smart Device Agent from JAMc, which will then allow printed pages to be accounted for in a Managed Print Services (MPS) account. The driver-only web packs downloaded from for the printer and installed through the Add Printer wizard do not install this service.T o uninstall the service, open the Control Panel , select Programs or Programs and Features , and then select Add/Remove Programs or Uninstall a Programto remove the service. The file name isHPSmartDeviceAgentBase.Mobile printing solutionsHP offers multiple mobile printing solutions to enable easy printing to an HP printer from a laptop, tablet, smartphone, or other mobile device.T o see the full list and to determine the best choice, go to /go/MobilePrinting .NOTE:Update the printer firmware to ensure all mobile printing capabilities are supported.●Wi-Fi Direct (wireless models only, with HP Jetdirect 3100w BLE/NFC/Wireless accessory installed)●HP ePrint via email (Requires HP Web Services to be enabled and the printer to be registered with HP Connected)●HP Smart app ●Google Cloud Print12Chapter 1 Printer overview。

Synopsys OptoDesigner 2020.09安装指南说明书

Accidental full scan proliferation by a build server farm..................................................................... 25 Solution......................................................................................................................................25
3. Troubleshooting scanning issues........................................................25
Accidental full scan proliferation by folder paths which include build or commit ID............................ 25 Solution......................................................................................................................................25
Contents
Contents
Preface....................................................................................................5
1. Scanning best practices......................................................................... 8

K9F1G08U0E 存储器

K9F1G08U0ERev. 1.11, Aug. 2013SAMSUNG ELECTRONICS RESERVES THE RIGHT TO CHANGE PRODUCTS, INFORMATION AND SPECIFICATIONS WITHOUT NOTICE.Products and specifications discussed herein are for reference purposes only. All information discussed herein is provided on an "AS IS" basis, without warranties of any kind.This document and all information discussed herein remain the sole and exclusive property of Samsung Electronics. No license of any patent, copyright, mask work, trademark or any other intellectual property right is granted by one party to the other party under this document, by implication, estoppel or other-wise.Samsung products are not intended for use in life support, critical care, medical, safety equipment, or similar applications where product failure could result in loss of life or personal or physical harm, or any military or defense application, or any governmental procurement to which special terms or provisions may apply.For updates or additional information about Samsung products, contact your nearest Samsung office.All brand names, trademarks and registered trademarks belong to their respective owners.ⓒ2013 Samsung Electronics Co., Ltd. All rights reserved.SAMSUNG CONFIDENTIAL1Gb E-die NAND FlashSingle-Level-Cell (1bit/cell)datasheetRevision HistoryRevision No.History Draft Date Remark Edited by Reviewed by0.0 1. Initial issue Dec. 17, 2012Target H.K.Kim H.H.Shin0.01 1. Typo corrected. Feb.02, 2013Target H.K.Kim H.H.ShinFeb.22, 2013Target H.K.Kim H.H.Shin0.1Chapter 4.3 Input Data Latch CycleChapter 4.11 Copy-Back Program Operation with Random Data Inputrevised.1.0 1. read ID revised Jul.03, 2013Final S.M.Lee H.H.Shin1.1 1. Corrected errata Aug.06, 2013Final S.M.Lee H.H.Shin1.11 1. Industrial product feature added Aug.07, 2013Final S.M.Lee H.H.ShinTable Of Contents1.0 INTRODUCTION (4)1.1 General Description (4)1.2 Features (4)1.3 General Description (4)1.4Pin Configuration (TSOP1) (5)1.4.1 Package Dimensions (5)1.5 Pin Configuration (FBGA) (6)1.5.1 Package Dimensions (7)1.6 Pin Description (8)2.0 PRODUCT INTRODUCTION (10)2.1 Absolute Maximum Ratings (11)2.2 Recommended Operating Conditions (11)2.3 DC And Operating Characteristics(Recommended operating conditions otherwise noted.) (11)2.4 Valid Block (12)2.5 AC Test Condition (12)2.6 Capacitance(TA=25°C, VCC=3.3V, f=1.0MHz) (12)2.7 Mode Selection (12)2.8 Program / Erase Characteristics (13)2.9 AC Timing Characteristics for Command / Address / Data Input (13)2.10 AC Characteristics for Operation (14)3.0 NAND FLASH TECHNICAL NOTES (15)3.1 Initial Invalid Block(s) (15)3.2 Identifying Initial Invalid Block(s) (15)3.3 Error in Write or Read Operation (16)3.4 Addressing for Program Operation (18)4.0 SYSTEM INTERFACE USING CE DON’T-CARE (19)4.1 Command Latch Cycle (20)4.2 Address Latch Cycle (20)4.3 Input Data Latch Cycle (21)4.4 Status Read Cycle (22)4.5 Read Operation (23)4.6 Read Operation(Intercepted by CE) (23)4.7 Random Data Output In a Page (24)4.8 Page Program Operation (25)4.9 Page Program Operation with Random Data Input (26)4.10 Copy-Back Program Operation (27)4.11 Copy-Back Program Operation with Random Data Input (28)4.12 Block Erase Operation (29)4.13 Read ID Operation (29)5.0 DEVICE OPERATION (32)5.1 Page Read (32)5.2 Page Program (33)5.3 Copy-Back Program (34)5.4 Block Erase (35)5.5 Read Status (35)5.6 Read ID (36)5.7 Reset (36)5.8 Ready/busy (37)6.0 DEVICE OPERATION (38)1.0 INTRODUCTION1.1 General Description1.2 Features1.3 General DescriptionOffered in 128Mx8bit, the K9F1G08U0E is a 1G-bit NAND Flash Memory with spare 32M-bit. Its NAND cell provides the most cost-effective solution for the solid state application market. A program operation can be performed in typical 400μs on the (2K+64)Byte page and an erase operation can be per-formed in typical 4.5ms on a (128K+4K)Byte block. Data in the data register can be read out at 25ns cycle time per Byte. The I/O pins serve as the ports for address and data input/output as well as command input. The on-chip write controller automates all program and erase functions including pulse rep-etition, where required, and internal verification and margining of data. Even the write-intensive systems can take advantage of the K9F1G08U0E 's extended reliability by providing ECC(Error Correcting Code) with real time mapping-out algorithm. The K9F1G08U0E is an optimum solution for large nonvolatile storage applications such as solid state file storage and other portable app.lications requiring non-volatility.Part Number Vcc Range OrganizationPKG Type K9F1G08U0E-S 2.7V ~ 3.6V x8TSOP1K9F1G08U0E-B2.7V ~3.6Vx863FBGA∙ Voltage Supply- 3.3V Device(K9F1G08U0E) : 2.7V ~ 3.6V ∙ Organization- Memory Cell Array : (128M + 4M) x 8bit - Data Register : (2K + 64) x 8bit ∙ Automatic Program and Erase - Page Program : (2K + 64)Byte - Block Erase : (128K + 4K)Byte ∙ Page Read Operation- Page Size : (2K + 64)Byte - Random Read : 40μs(Max.) - Serial Access : 25ns(Min.)∙ Fast Write Cycle Time- Page Program time : 400μs(Typ.) - Block Erase Time : 4.5ms(Typ.)∙ Command/Address/Data Multiplexed I/O Port ∙ Hardware Data Protection- Program/Erase Lockout During Power Transitions ∙ Reliable CMOS Floating-Gate Technology-Endurance & Data Retention : Refor to the gualification report -ECC regnirement : 1 bit / 528bytes ∙ Command Driven Operation∙ Unique ID for Copyright Protection ∙ Package :- K9F1G08U0E-SCB0/SIB0 : Pb-FREE PACKAGE 48 - Pin TSOP I (12 x 20 / 0.5 mm pitch)- K9F1G08U0E-BCB0/BIB0 : Pb-FREE PACKAGE 63 FBGA (9 x 11 / 0.8 mm pitch)K9F1G08U0E-SCB0/SIB048-pin TSOP1Standard Type 12mm x 20mm123456789101112131415161718192021222324484746454443424140393837363534333231302928272625N.C N.C N.C N.C N.C N.C R/B RE CE N.C N.C Vcc Vss N.C N.C CLE ALE WE WP N.C N.C N.C N.C N.CN.C N.C N.C N.C I/O7I/O6I/O5I/O4N.C N.C N.C Vcc Vss N.C N.C N.C I/O3I/O2I/O1I/O0N.C N.C N.C N.C1.4.1 Package Dimensions48-PIN LEAD FREE PLASTIC THIN SMALL OUT-LINE PACKAGE TYPE(I)48 - TSOP1 - 1220AFUnit :mm/Inch0.787±0.00820.00±0.20#1#240.16+0.07-0.030.008+0.003-0.0010.500.0197#48#250.48812.40M A X12.000.4720.10 0.004M A X 0.250.010()0.039±0.0021.00±0.050.0020.05MIN0.0471.20MAX0.45~0.750.018~0.0300.724±0.00418.40±0.100~8︒0.0100.25T Y P0.125+0.0750.0350.005+0.003-0.0010.500.020()0.20+0.07-0.03K9F1G08U0E-BCB0/BIB0R/B /WE /CE Vss ALE /WP /RE CLE NC NC NC NC Vcc NC NC I/O0I/O1NC NCVccI/O5I/O7VssI/O6I/O4I/O3I/O2VssNC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NCNC NC NCN.CN.C N.C N.C N.C N.C N.CN.CN.C N.C N.C N.CN.C N.C N.C Top View78910563412A B C D G E F H J K L M1.5.1 Package Dimensions9.00±0.10#A111.00±0.100.32±0.050.90±0.100.10 M A X4321A B C D G 63-∅0.45±0.059.00±0.10(Datum B)0.2 M A B∅0.80 x 11= 8.80 0.80 x 9= 7.2065E F H J K L M(Datum A)871090.800.403.600.800.404.4011.00±0.10A#A1 INDEX MARKB63-Ball FBGA (measured in millimeters)TOP VIEW SIDE VIEW BOTTOM VIEW1.6 Pin DescriptionNOTE :Connect all VCC and VSS pins of each device to common power supply outputs.Pin Name Pin FunctionI/O 0 ~ I/O 7DATA INPUTS/OUTPUTSThe I/O pins are used to input command, address and data, and to output data during read operations. The I/O pins float to high-z when the chip is deselected or when the outputs are disabled.CLECOMMAND LATCH ENABLEThe CLE input controls the activating path for commands sent to the command register. When active high, commands are latched into the command register through the I/O ports on the rising edge of the WE signal.ALEADDRESS LATCH ENABLEThe ALE input controls the activating path for address to the internal address registers. Addresses are latched on the rising edge of WE with ALE high.CECHIP ENABLEThe CE input is the device selection control. When the device is in the Busy state, CE high is ignored, and the device does not return to standby mode in program or erase operation.REREAD ENABLEThe RE input is the serial data-out control, and when active drives the data onto the I/O bus. Data is valid tREA after the fall-ing edge of RE which also increments the internal column address counter by one.WEWRITE ENABLEThe WE input controls writes to the I/O port. Commands, address and data are latched on the rising edge of the WE pulse.WPWRITE PROTECTThe WP pin provides inadvertent program/erase protection during power transitions. The internal high voltage generator is reset when the WP pin is active low.R/BREADY/BUSY OUTPUTThe R/B output indicates the status of the device operation. When low, it indicates that a program, erase or random read operation is in process and returns to high state upon completion. It is an open drain output and does not float to high-z con-dition when the chip is deselected or when outputs are disabled.Vcc POWERV CC is the power supply for device. Vss GROUNDN.CNO CONNECTION[Figure 1] K9F1G08U0E Functional Block Diagram[Figure 2] K9F1G08U0E Array OrganizationNOTE :Column Address : Starting Address of the Register.* L must be set to "Low".* The device ignores any additional input of address cycles than required.I/O 0I/O 1I/O 2I/O 3I/O 4I/O 5I/O 6I/O 71st Cycle A 0A 1A 2A 3A 4A 5A 6A 72nd Cycle A 8A 9A 10A 11*L *L *L *L 3rd Cycle A 12A 13A 14A 15A 16A 17A 18A 194th CycleA 20A 21A 22A 23A 24A 25A 26A 27V CC X-Buffers Command I/O Buffers & LatchesLatches & Decoders Y-Buffers Latches & DecodersRegisterControl Logic & High Voltage GeneratorGlobal BuffersOutput DriverV SSA 12 - A 27A 0 - A 11CommandCE RE WE CLE WPI/0 0I/0 7V CC V SSALE 1,024M + 32M Bit NAND Flash ARRAY (2,048 + 64)Byte x 65,536Y-GatingData Register & S/A1 Page = (2K + 64)Bytes1 Block = (2K + 64)B x 64 Pages = (128K + 4K) Bytes1 Device = (2K+64)B x 64Pages x 1,024 Blocks = 1,056 MbitsRow Address Row AddressColumn Address Column Address2.0 PRODUCT INTRODUCTIONNAND Flash Memory has addresses multiplexed into 8 I/Os. This scheme dramatically reduces pin counts and allows system upgrades to future densities by maintaining consistency in system board design. Command, address and data are all written through I/O's by bringing WE to low while CE is low. Those are latched on the rising edge of WE. Command Latch Enable(CLE) and Address Latch Enable(ALE) are used to multiplex command and address respectively, via the I/O pins. Some commands require one bus cycle. For example, Reset Command, Status Read Command, etc. require just one cycle bus. Some other commands, like page read and block erase and page program, require two cycles: one cycle for setup and the other cycle for execution.. Page Read and Page Program need the same four address cycles following the required command input. In Block Erase operation, however, only the two row address cycles are used. Device operations are selected by writing specific commands into the command register. Table 1 defines the specific com-mands of the K9F1G08U0E.[Table 1] Command SetsFunction1st Cycle2nd Cycle Acceptable Command during BusyRead 00h30hRead for Copy Back00h35hRead ID90h-Reset FFh-OPage Program80h10hCopy-Back Program85h10hBlock Erase60h D0hRandom Data Input(1)85h-Random Data Output(1)05h E0hRead Status70h-ONOTE :1) Random Data Input/Output can be executed in a page.Caution :Any undefined command inputs are prohibited except for above command set of Table 1.2.1 Absolute Maximum RatingsNOTE :1) Minimum DC voltage is -0.6V on input/output pins. During transitions, this level may undershoot to -2.0V for periods <30ns. Maximum DC voltage on input/output pins is V CC +0.3V which, during transitions, may overshoot to V CC +2.0V for periods <20ns.2) Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded. Functional operation should be restricted to the conditions as detailed in the operational sections of this data sheet. Exposure to absolute maximum rating conditions for extended periods may affect reliability.2.2 Recommended Operating Conditions(Voltage reference to GND, K9F1G08U0E-SCB0 :T A =0 to 70︒C, K9F1G08U0E-XIB0:T A =-40 to 85︒C)2.3 DC And Operating Characteristics (Recommended operating conditions otherwise noted.)NOTE :1) V IL can undershoot to -0.4V and V IH can overshoot to V CC +0.4V for durations of 20 ns or less 2) Typical value is measured at Vcc=3.3V, T A =25︒C. Not 100% tested.ParameterSymbol Rating Unit Voltage on any pin relative to VSSV CC -0.6 to + 4.6V V IN -0.6 to + 4.6V I/O-0.6 to Vcc + 0.3 (< 4.6V)Temperature Under Bias K9F1G08U0E-xCB0T BIAS -10 to +125︒C K9F1G08U0E-xIB0-40 to +125 Storage Temperature K9F1G08U0E-xCB0/xIB0T STG-65 to +150︒CShort Circuit CurrentI OS5mAParameterSymbol K9F1G08U0E(3.3V)Unit Min Typ.Max Supply Voltage V CC 2.7 3.3 3.6V Supply VoltageV SSVParameterSymbol Test ConditionsK9F1G08U0E(3.3V)UnitMinTypMaxOperating CurrentPage Read with Serial Access I CC 1tRC=25nsCE=V IL, I OUT =0mA-2035mAProgram I CC 2-EraseI CC 3-Stand-by Current(TTL)I SB 1CE=V IH , WP=0V/V CC --1Stand-by Current(CMOS)I SB 2CE=V CC -0.2, WP=0V/V CC -1080μAInput Leakage Current I LI V IN =0 to Vcc(max)--±10Output Leakage Current I LO V OUT =0 to Vcc(max)--±10Input High VoltageV IH (1)-0.8xVcc -V CC +0.3V Input Low Voltage, All inputs V IL (1)--0.3-0.2XVccOutput High Voltage Level V OH K9F1G08U0E :I OH =-400μA 2.4--Output Low Voltage Level V OL K9F1G08U0E :I OL =2.1mA --0.4Output Low Current(R/B)I OL (R/B)K9F1G08U0E :V OL =0.4V810-mA2.4 Valid BlockParameter Symbol Min Typ.Max UnitK9F1G08U0E N VB1,004-1,024BlocksNOTE :1) The device may include initial invalid blocks when first shipped. Additional invalid blocks may develop while being used. The number of valid blocks is presented with bothcases of invalid blocks considered. Invalid blocks are defined as blocks that contain one or more bad bits. Do not erase or program factory-marked bad blocks. Refer to the attached technical notes for appropriate management of invalid blocks.2) The 1st block, which is placed on 00h block address, is guaranteed to be a valid block up to 1K program/erase cycles with 1bit/528Byte ECC.2.5 AC Test Condition(K9F1G08U0E-XCB0 :TA=0 to 70︒C, K9F1G08U0E-XIB0:TA=-40 to 85︒C, K9F1G08U0E : Vcc=2.7V~3.6V unless otherwise noted)Parameter K9F1G08U0EInput Pulse Levels0V to VccInput Rise and Fall Times5nsInput and Output Timing Levels Vcc/2Output Load 1 TTL GATE and CL=50pF2.6 Capacitance(TA=25︒C, VCC=3.3V, f=1.0MHz)Item Symbol Test Condition Min Max UnitInput/Output Capacitance C I/O V IL=0V-10pFInput Capacitance C IN V IN=0V-10pFNOTE :Capacitance is periodically sampled and not 100% tested.2.7 Mode SelectionNOTE :1) X can be V IL or V IH.2) WP should be biased to CMOS high or CMOS low for standby.2.8Program / Erase CharacteristicsParameter Symbol Min Typ Max Unit Program Time t PROG-400900μs Number of Partial Program Cycles Nop--1cycles Block Erase Time t BERS- 4.516ms NOTE :1) Typical value is measured at Vcc=3.3V, T A=25︒C. Not 100% tested.2) Typical program time is defined as the time within which more than 50% of the whole pages are programmed at 3.3V Vcc and 25︒C temperature.2.9 AC Timing Characteristics for Command / Address / Data InputParameter Symbol Min Max Unit CLE Setup Time t CLS(1)12-ns CLE Hold Time t CLH5-ns CE Setup Time t CS(1)20-ns CE Hold Time t CH5-ns WE Pulse Width t WP12-ns ALE Setup Time t ALS(1)12-ns ALE Hold Time t ALH5-ns Data Setup Time t DS(1)12-ns Data Hold Time t DH5-ns Write Cycle Time t WC25-ns WE High Hold Time t WH10-ns Address to Data Loading Time t ADL(2)100-ns NOTE :1) The transition of the corresponding control pins must occur only once while WE is held low2) tADL is the time from the WE rising edge of final address cycle to the WE rising edge of first data cycle2.10AC Characteristics for OperationParameter Symbol Min Max Unit Data Transfer from Cell to Register t R-40μs ALE to RE Delay t AR10-ns CLE to RE Delay t CLR10-ns Ready to RE Low t RR20-ns RE Pulse Width t RP12-ns WE High to Busy t WB-100ns Read Cycle Time t RC25-ns RE Access Time t REA-20ns CE Access Time t CEA-25ns RE High to Output Hi-Z t RHZ-100ns CE High to Output Hi-Z t CHZ-30ns CE High to ALE or CLE Don’t Care t CSD0-ns RE High to Output Hold t RHOH15-ns CE High to Output Hold t COH15-ns RE High Hold Time t REH10-ns Output Hi-Z to RE Low t IR0-ns RE High to WE Low t RHW100-ns WE High to RE Low t WHR60-ns Device Resetting Time(Read/Program/Erase)t RST-5/10/500(1)μs NOTE :1) If reset command(FFh) is written at Ready state, the device goes into Busy for maximum 5μs.3.0 NAND FLASH TECHNICAL NOTES3.1 Initial Invalid Block(s)Initial invalid blocks are defined as blocks that contain one or more initial invalid bits whose reliability is not guaranteed by Samsung. The information regarding the initial invalid block(s) is called the initial invalid block information. Devices with initial invalid block(s) have the same quality level as devices with all valid blocks and have the same AC and DC characteristics. An initial invalid block(s) does not affect the performance of valid block(s) because it is isolated from the bit line and the common source line by a select transistor. The system design must be able to mask out the initial invalid block(s) via address mapping. The 1st block, which is placed on 00h block address, is guaranteed to be a valid block up to 1K program/erase cycles with 1bit /528Byte ECC.3.2 Identifying Initial Invalid Block(s)All device locations are erased(FFh) except locations where the initial invalid block(s) information is written prior to shipping. The initial invalid block(s) status is defined by the 1st byte in the spare area. Samsung makes sure that either the 1st or 2nd page of every initial invalid block has non-FFh data at the column address of 2048. Since the initial invalid block information is also erasable in most cases, it is impossible to recover the information once it has been erased. Therefore, the system must be able to recognize the initial invalid block(s) based on the original initial invalid block information and create the initial invalid block table via the following suggested flow chart(Figure 3). Any intentional erasure of the original initial invalid block information is pro-hibited.[Figure 3] Flow chart to create initial invalid block table*Check "FFh" at the column address 2048 StartSet Block Address = 0Check "FFh"Increment Block AddressLast Block ?EndNoYesYesCreate (or update)NoInitialof the 1st and 2nd page in the blockInvalid Block(s) Table3.3 Error in Write or Read OperationWithin its life time, additional invalid blocks may develop with NAND Flash memory. Refer to the qualification report for the actual data.The following pos-sible failure modes should be considered to implement a highly reliable system. In the case of status read failure after erase or program, block replace-ment should be done. Because program status fail during a page program does not affect the data of the other pages in the same block, blockreplacement can be executed with a page-sized buffer by finding an erased empty block and reprogramming the current target data and copying the rest of the replaced block. In case of Read, ECC must be employed. To improve the efficiency of memory space, it is recommended that the read or verifica-tion failure due to single bit error be reclaimed by ECC without any block replacement. The said additional block failure rate does not include those reclaimed blocks.ECC : Error Correcting Code --> Hamming Code etc.Example) 1bit correction & 2bit detectionProgram Flow ChartFailure ModeDetection and Countermeasure sequenceWrite Erase Failure Status Read after Erase --> Block Replacement Program Failure Status Read after Program --> Block Replacement ReadSingle Bit FailureVerify ECC -> ECC CorrectionStartI/O 6 = 1 ?I/O 0 = 0 ?No*Write 80hWrite AddressWrite DataWrite 10hRead Status RegisterProgram Completedor R/B = 1 ?YesNoYes: If program operation results in an error, map out the block including the page in error and copy thetarget data to another block.*NAND Flash Technical Notes (Continued)* Step1When an error happens in the nth page of the Block ’A’ during erase or program operation. * Step2Copy the data in the 1st ~ (n-1)th page to the same location of another free block. (Block ’B’)* Step3Then, copy the nth page data of the Block ’A’ in the buffer memory to the nth page of the Block ’B’.* Step4Do not erase or program to Block ’A’ by creating an ’invalid block’ table or other appropriate scheme.Erase Flow ChartStartI/O 6 = 1 ?I/O 0 = 0 ?No*Write 60h Write Block AddressWrite D0h Read Status Registeror R/B = 1 ?Erase ErrorYesNo: If erase operation results in an error, map out the failing block and replace it with another block.* Erase CompletedYesRead Flow ChartBlock Replacement1st Block Anth 1st nth3.4 Addressing for Program OperationWithin a block, the pages must be programmed consecutively from the LSB(least significant bit) page of the block to the MSB(most significant bit) pages of the block. Random page address programming is prohibited. In this case, the definition of LSB page is the LSB among the pages to be programmed. Therefore, LSB doesn't need to be page 0.From the LSB page to MSB page DATA IN: Data (1)Data (64)(1)(2)(3)(32)(64)Data register Page 0Page 1Page 2Page 31Page 63::4.0 SYSTEM INTERFACE USING CE DON’T-CARE.For an easier system interface, CE may be inactive during the data-loading or serial access as shown below. The internal 2,112byte data registers are utilized as separate buffers for this operation and the system design gets more flexible. In addition, for voice or audio applications which use slow cycle time on the orde[Figure 5] Read Operation with CE don’t-care.Address InformationDevice I/O DATA ADDRESSI/Ox Data In/Out Col. Add1Col. Add2Row Add1Row Add2K9F1G08U0EI/O 0 ~ I/O 7~2112byteA0~A7A8~A11A12~A19A20~A27CLE≈≈≈Address(4Cycle)00h ALE WEData Output(serial access)R/BtRE 30h I/Ox≈≈≈≈4.1 Command Latch Cycle4.2 Address Latch CycleCEWECLEALEI/OxCEWECLEALEI/Ox4.3 Input Data Latch CycleCECLEWEALEI/Ox* Serial Access Cycle after Read (CLE=L, WE=H, ALE=L)NOTE :Transition is measured at ±200mV from steady state voltage with load.This parameter is sampled and not 100% tested.tRHOH starts to be valid when frequency is lower than 20MHz.RECER/BI/Ox4.4Status Read CycleCEWEREI/Ox4.5Read OperationCECLER/BWEALEREI/Ox4.6 Read Operation (Intercepted by CE)CECLER/BWEALEREI/OxdatasheetK9F1G08U0EFLASH MEMORYRev. 1.11SAMSUNG CONFIDENTIAL4.7 Random Data Output In a PageC EC L ER /BW E A L ER EI /O x4.8 Page Program OperationNOTE :tADL is the time from the WE rising edge of final address cycle to the WE rising edge of first data cycle.CECLER/BWEALEREI/Ox4.9 Page Program Operation with Random Data InputC EC L ER /BW EA L ER EI /O xN O T E : t A D L i s t e t i m e f r o m t h e W E r i s i n g e d g e o f f i n a l a d d r e s s c y c l e t o t h e W E r i s i n g e d g e o f f i r s t d a t a c y c l e .4.10 Copy-Back Program OperationI /O 0=1 E r r o r i n P r o g r a mI n p u t C o m m a n dN O T E : C EC L ER /BW EA L ER EI /O xt A D L s t h e t i m e f r o m t h e W E r i s i n g e d g e o f f i n a l a d d r e s s c y c l e t o t h e W E r i s i n g e d g e o f f i r s t d a t a c y c l e .4.11 Copy-Back Program Operation with Random Data InputInput CommandCECLER/BWEALEREI/OxCECLER/BWEALEREI/OxNOTE :1) tADL is the time from the WE rising edge of final address cycle to the WE rising edge of first data cycle.2)Copy-Back Program operation is allowed only within the same memory plane.4.12 Block Erase OperationCECLER/BWEALERERead Status CommandI/O 0=1 Error in EraseSetup CommandI/Ox4.13 Read ID OperationDevice Device Code (2nd Cycle)3rd Cycle 4th Cycle 5th Cycle K9F1G08U0EF1h00h95h41hCECLEWEALERE90hRead ID CommandMaker Code Device Code00h ECht REAAddress 1cycleI/Oxt ARDevice 4th cyc.Code3rd cyc.5th cyc.ID Definition Table3rd ID Data 4th ID Data Description1st Byte 2nd Byte 3rd Byte 4th Byte 5th Byte Maker CodeDevice CodeInternal Chip Number, Cell Type, Number of Simultaneously Programmed Pages, EtcPage Size, Block Size,Redundant Area Size, Organization, Serial Access MinimumPlane Number, Plane SizeDescription I/O7 I/O6I/O5 I/O4I/O3 I/O2I/O1 I/O0Internal Chip Number 12480 00 11 01 1Cell Type 2 Level Cell4 Level Cell8 Level Cell16 Level Cell0 00 11 01 1Number ofSimultaneouslyProgrammed Pages 12480 00 11 01 1Interleave Program Between multiple chips Not SupportSupport1Cache Program Not SupportSupport1Description I/O7 I/O6I/O5 I/O4 I/O3I/O2I/O1 I/O0Page Size(w/o redundant area ) 1KB2KB4KB8KB0 00 11 01 1Block Size(w/o redundant area ) 64KB128KB256KB512KB0 00 11 01 1Redundant Area Size ( byte/512byte) 8161Organization x8x161Serial Access Minimum 50ns/30ns25nsReservedReserved11115th ID DataDescription I/O7I/O6 I/O5 I/O4I/O3 I/O2 I/O1I/O0Plane Number 12480 00 11 01 1Plane Size(w/o redundant Area) 64Mb128Mb256Mb512Mb1Gb2Gb4Gb8Gb0 0 00 0 10 1 00 1 11 0 01 0 11 1 01 1 1Proccess 21nmreservedreservedreserved111Reserved 0005.0 DEVICE OPERATION5.1 Page ReadPage read is initiated by writing 00h-30h to the command register along with four address cycles. After initial power up, 00h command is latched. There-fore only four address cycles and 30h command initiates that operation after initial power up. The 2,112 bytes of data within the selected page are trans-ferred to the data registers in less than 40μs(t R ). The system controller can detect the completion of this data transfer(tR) by analyzing the output of R/B pin. Once the data in a page is loaded into the data registers, they may be read out in 25ns cycle time by sequentially pulsing RE. The repetitive high to low transitions of the RE clock make the device output the data starting from the selected column address up to the last column address.The device may output random data in a page instead of the consecutive sequential data by writing random data output command. The column address of next data, which is going to be out, may be changed to the address which follows random data output command. Random data output can be operatedmultiple times regardless of how many times it is done in a page.[Figure 6] Read OperationAddress(4Cycle)00hCol. Add.1,2 & Row Add.1,2Data Output(Serial Access)CECLEALE R/B WERE 30h I/Ox≈≈≈≈。

gcc优化选项-O1-O2-O3-Os优先级

gcc优化选项-O1-O2-O3-Os优先级少优化->多优化：O0 -->> O1 -->> O2 -->> O3-O0表⽰没有优化,-O1为缺省值，-O3优化级别最⾼英⽂解析：`-O '`-O1 'Optimize. Optimizing compilation takes somewhat more time, and alot more memory for a large function.With `-O ', the compiler tries to reduce code size and executiontime, without performing any optimizations that take a great dealof compilation time.`-O ' turns on the following optimization flags:-fdefer-pop-fdelayed-branch-fguess-branch-probability-fcprop-registers-floop-optimize-fif-conversion-fif-conversion2-ftree-ccp-ftree-dce-ftree-dominator-opts-ftree-dse-ftree-ter-ftree-lrs-ftree-sra-ftree-copyrename-ftree-fre-ftree-ch-funit-at-a-time-fmerge-constants`-O ' also turns on `-fomit-frame-pointer ' on machines where doingso does not interfere with debugging.`-O ' doesn 't turn on `-ftree-sra ' for the Ada compiler. Thisoption must be explicitly specified on the command line to beenabled for the Ada compiler.`-O2 'Optimize even more. GCC performs nearly all supportedoptimizations that do not involve a space-speed tradeoff. Thecompiler does not perform loop unrolling or function inlining whenyou specify `-O2 '. As compared to `-O ', this option increasesboth compilation time and the performance of the generated code.`-O2 ' turns on all optimization flags specified by `-O '. It alsoturns on the following optimization flags:-fthread-jumps-fcrossjumping-foptimize-sibling-calls-fcse-follow-jumps -fcse-skip-blocks-fgcse -fgcse-lm-fexpensive-optimizations-fstrength-reduce-frerun-cse-after-loop -frerun-loop-opt-fcaller-saves-fpeephole2-fschedule-insns -fschedule-insns2-fsched-interblock -fsched-spec-fregmove-fstrict-aliasing-fdelete-null-pointer-checks-freorder-blocks -freorder-functions-falign-functions -falign-jumps-falign-loops -falign-labels-ftree-vrp-ftree-prePlease note the warning under `-fgcse ' about invoking `-O2 ' onprograms that use computed gotos.`-O3 'Optimize yet more. `-O3 ' turns on all optimizations specified by`-O2 ' and also turns on the `-finline-functions ',`-funswitch-loops ' and `-fgcse-after-reload ' options.`-O0 'Do not optimize. This is the default.///==================另外还有个Os选项==========================原来-Os相当于-O2.5。

斑马技术公司DS8108数字扫描仪产品参考指南说明书

Chapter 1: Getting Started Introduction .................................................................................................................................... 1-1 Interfaces ....................................................................................................................................... 1-2 Unpacking ...................................................................................................................................... 1-2 Setting Up the Digital Scanner ....................................................................................................... 1-3 Installing the Interface Cable .................................................................................................... 1-3 Removing the Interface Cable .................................................................................................. 1-4 Connecting Power (if required) ................................................................................................ 1-4 Configuring the Digital Scanner ............................................................................................... 1-4

成功解决INFO：pipislo...

成功解决INFO：pipislo...成功解决INFO: pip is looking at multiple versions of keras-preprocessing to determine which version is c解决问题INFO: pip is looking at multiple versions of keras-preprocessing to determine which version is compatible with ot her requirements. This could take a while.INFO: This is taking longer than usual. You might need to pr ovide the dependency resolver with stricter constraints to reduc e runtime. If you want to abort this run, you can press Ctrl + C t o do so. To improve how pip performs, tell us what happened h ere: https://pip.pypa.io/surveys/backtrackingINFO: pip is looking at multiple versions of h5py to determi ne which version is compatible with other requirements. This co uld take a while.INFO: pip is looking at multiple versions of grpcio to deter mine which version is compatible with other requirements. This could take a while.解决思路信息：pip正在研究keras预处理的多个版本，以确定哪个版本与其他需求兼容。

Gamit解算常见错误

GAMIT群友交流（持续更新）(2011-03-15 21:37:15)2011-3-15最新版的GAMIT才能处理2011年数据（10.4）而且还要装最新的更新包1、armake.f文件中判断时段信息时默认是1980-2010年，所以将2010年改成你希望的年份；2、重新编译，搞定！在 fixdrv文件夹下，打开armake.f文件，将2010改为2100.然后再gamit文件夹下运行./install_software.即重新编译安装。

2011-3-16用超快速星历时，需要设置什么吗？sh_gamit -orbit IGSU2011-04-11-----------------------------------------------------------------------------Q:FATAL :110410:1654: 5.0 MODELb/read_antex_head: ANTEX version > 1.3FATAL :110410:1654: 5.0 MODEL/model: GAMIT.fatal exists: MODE L not executed……FATAL :110410:1654: 5.0 AUTCLN/autcln: GAMIT.fatal exists: AU TCLN not executedA:工程里面存在的错误，将其删掉把调用的antex里comment删掉几行Q:嗯那个走过去又有fatal No valid cfiles read 继续求解释A:用没有生成文件的，纯准备文件重算试试---lee_ws2011-04-27这个错误主要是因为用的antmod。

dat文件版本是1.4的你用之前1.3的就没有问题了thank lee ws for ur answer-------------------------------------------------------------------------------2011-04-25Q:为什么gamit不能处理2011年的数据啊？A:修改fixdrv/amake.f中2010为2099即可----------------------------------------------2011-04-27Q：GAMIT计算出来基线后，各位怎么解算台站坐标的A：不是用QOCA嘛，这个软件要申请，网平差。

nuke中不能对多个帧执行write -回复

nuke中不能对多个帧执行write -回复尊敬的用户，感谢您向我们反馈Nuke中不能对多个帧执行write的问题。

我们非常重视您的反馈，并已经仔细研究了您的描述。

首先，我们要对您遇到的问题表示深深的歉意。

我们意识到这个问题可能对您造成了不便，并对此表示诚挚的道歉。

我们一直致力于提供高质量的软件产品，并始终重视用户的反馈。

关于您遇到的问题，我们经过仔细排查，发现了一些可能导致该问题的原因。

首先，请确保您已经正确安装了Nuke软件，并且版本是符合要求的。

其次，请检查您是否正确设置了Nuke中的相关参数，以确保能够支持多个帧的写入操作。

最后，请确保您使用的硬件设备支持所需的帧率或分辨率，并且已经正确安装了相关的驱动程序。

为了解决您遇到的问题，我们为您提供以下几种解决方案：1. 重新安装Nuke软件：通过重新安装Nuke软件，您可以确保软件文件的完整性和正确性，从而解决可能存在的问题。

请注意，在重新安装之前，请务必备份您的数据和配置文件。

2. 更新Nuke软件至最新版本：我们不断推出新功能和修复漏洞，更新至最新版本可以确保您获得最佳的用户体验和安全保障。

您可以访问Nuke的官方网站或者相关的应用商店进行更新。

3. 检查硬件设备支持：如果您使用的硬件设备与Nuke软件不兼容，可能会导致写入操作失败。

请确保您的硬件设备支持所需的帧率或分辨率，并已正确安装了相关的驱动程序。

4. 联系技术支持：如果您尝试了以上解决方案仍然无法解决问题，我们建议您联系我们的技术支持团队。

我们的专业团队将为您提供一对一的指导和服务，帮助您解决问题。

为了方便您使用Nuke软件，我们还提供了一些使用技巧和建议：1. 熟练掌握软件功能：建议您仔细阅读Nuke软件的帮助文档和教程，熟练掌握软件的功能和操作方法。

这将有助于您更高效地使用Nuke软件，并解决可能遇到的问题。

2. 合理设置参数：在Nuke软件中，合理设置相关参数可以确保您的写入操作顺利进行。

CCS优化简介

CCS优化简介Code Composer Studio (Optimization)Enry Shen Texas Instruments8th Texas Instruments Developer Conference India 30 Nov - 1 Dec 2005, BangaloreAgendaOverview of Application Code Tuning Compiler Consultant Code Size Tune T ool Cache Tune Tool1CCS Optimization Tool TutorialOverview of Application Code Tuning Compiler Consultant ToolIntroduction DemonstrationCode Size Tune T oolIntroduction DemonstrationCache Tune T oolIntroduction DemonstrationCCStudio Platinum EditionOne environment for all platformsMulti-platform IDE meets evolving developers needs OEMs realize substantial development tool savingsEasy To Use IDEExponential productivity improvementsUp to 80% faster debug via connect/ disconnect Single keystroke back-step with RewindMaximize TI DSP performance entitlementCode optimization and tuning tools Updated C compilers for each platformIntegrated CodeWright editor Lock versions of compiler andDSP/BIOS per design2Compiler Build OptionsNearly one-hundred compiler options available to tune your code's performance, size, etc. Following table lists most commonly used options:Options -mv6700 -mv67p -mv6400 -mv6400+ -fr-fsDebug Optimize (release) -g -ss -o3 -kDescription Generate 'C67x code ('C62x is default) Generate 'C672x code Generate 'C64x code Generate 'C64x+ code Directory for object/output files Directory for assembly files Enables src-level symbolic debugging Interlist C statements into assembly listing Invoke optimizer (-o0, -o1, -o2/-o, -o3) Keep asm files, but don't interlistCompiler Build OptionsNearly one-hundred compiler options available to tune your code's performance, size, etc. Following table lists most commonly used options:Options -mv6700 -mv67p -mv6400 -mv6400+ -fr-fsDebug Optimize (release)Description Generate 'C67x code ('C62x is default) Generate 'C672x code Generate 'C64x code Generate 'C64x+ code Directory for object/output files Directory for assembly files -g Enables src-level Debug and Optimizesymbolic debugging options conflict -ss Interlist C statements into assembly listing with each other, therefore-o2/-o, -o3) they should -o3 Invoke optimizer (-o0, -o1, not be used asm files, but don't interlist -k Keep together3Two Default Configurations-g -fr"$(Proj_dir)\Debug" -d"_DEBUG" -mv6700 -o3 -fr"$(Proj_dir)\Release" -mv6700For new projects, CCS automatically creates two build configurations: Debug (unoptimized) Release (optimized) Use the drop-down to quickly select build config.Two Default ConfigurationsAdd/Remove build config's with Project Configurations dialog (on project menus)Edit a configuration: 1. Set it active 2. Modify build options 3. Save project4Two Default ConfigurationsNow You can build with your new configurationRecommended Development FlowStartNoEditCompile -gDebugWorks? YesNo Done Goals Met? ProfileYesCompile -oDebug first. Tune second. After making sure you program is logically correct, We can use compiler optimizer to optimize.5First, Turn on the OptimizerAs we have seen, the optimizer can work miracles, but… Whatelse can we do with C after turning on the optimizer? Options -mv6700 -mv67p -mv6400 -mv6400+ -fr-fsDebug Optimize (release) -g -ss -o3 -k Description Generate 'C67x code ('C62x is default) Generate 'C672x code Generate 'C64x code Generate 'C64x+ code Directory for object/output files Directory for assembly files Enables src-level symbolic debugging Interlist C statements into assembly listing Invoke optimizer (-o0, -o1, -o2/-o, -o3) Keep asm files, but don't interlist Provide Compiler with More InsightWhy you program still not optimized even use –o3 option to turn on the optimizer?1. 2. 3. 4. 5.Restrict Memory Dependencies (Aliasing) Program Level Optimization: -pm –op2 -o3 #pragma UNROLL(# of times to unroll); #pragma MUST_ITERATE(min, max, %factor); #pragma DATA_ALIGN(variable, 2n alignment); Like –pm, #pragmas are an easy way to pass more information to the compiler The compiler uses this information to create "better" code #pragmas are ignored by other C compilers if they are not supported 6Memory Alias DisambiguationWhat happens if the function is called like this? fcn(*myVector, *myVector+1) void fcn(*in, *out) { LDW *in++, A0 ADD A0, 4, A1 STW A1, *out++ }in a b c d e ...in + 4Can reorder memory references only when they are not aliases Aliases access same memory location Sometimes Compiler cannot figure out two pointers point to independentaddresses or not Keyword restrict says pointer gives sole access to underlying memoryMemory Alias DisambiguationWhat happens if the function is called like this? fcn(*myVector, *myVector+1)in a in + 4 b void fcn(*in, *out) c { LDW void *in++, A0 *restrict in, short *out) fcn(short d ADD A0, 4, A1 STW A1, *out++ e } ...Can reorder memory references only when they are not aliases Aliases access same memory location Sometimes Compiler cannot figure out two pointers point to independent addresses or not Keyword restrict says pointer gives sole access to underlying memory7Program Level Optimization (-pm)-pm is critical in compiling for maximum performance -pm creates a temp.c file which includes all C source files, thus giving the optimizer a program-level optimization context -opn describes a program's external referencesProgram Level Optimization (-pm)-pm requires the use -o3 -pm requires the use -o3 Cannot be used as file or function specific Cannot be used as file or function specific option option Without knowing which -opn option to use, TI Without knowing which -opn option to use, TI couldn't use couldn't use -pm in default Release config -pm in default Release config Unfortunately, -pm cannot provide optimizer Unfortunately, -pm cannot provide optimizer with visibility into object code libraries with visibility into object code libraries External References: External References: For example, ififyour program modifies aa For example, your program modifies global variable from another code module, - globalvariable from another code module, op2 cannot be used op2 cannot be used Similarly, ififyour code calls aafunction in an Similarly, your code calls function in an external module (who's source isn't visible to external module (who's source isn't visible to the optimizer), -op2 cannot be used (and will the optimizer), -op2 cannot be used (and will be overriden) be overriden) 8UNROLL(# of times to unroll)#pragma UNROLL(2); for(i = 0; i < count ; i++) { sum += a[i] * x[i]; }Tells the compiler to unroll the for() loop twice The compiler will generate extra code to handle the case that count is odd The #pragma must come right before the for() loop UNROLL(1) tells the compiler not to unroll a loopMUST_ITERATE(min, max, %factor)#pragma UNROLL(2); #pragma MUST_ITERATE(10, 100, 2); for(i = 0; i < count ; i++) { sum += a[i] * x[i]; } Gives the compiler information about the trip (loop) count In the code above, we are promising that: count >= 10, count <= 100, and count % 2 == 0 If you break your promise, you might break your code Allows the compiler to remove unnecessary code Modulus (%) factor allows for efficient loop unrolling The #pragma must come right before the for() loop9#pragma DATA_ALIGN(variable, 2n alignment)#pragma DATA_ALIGN(a, 8); short a[256] = {1, 2, 3, … #pragma DATA_ALIGN(x, 8); short x[256] = {256, 255, 254, … #pragma UNROLL(2); #pragma MUST_ITERATE(10, 100, 2); for(i = 0; i < count ; i++) { sum += a[i] * x[i]; } Tell compiler to create variables on a 2n boundary Allows use of (double) word-wideoptimized loads/storesCode Size vs. Code Speed? What compiler options are best for your code size vs. speed tradeoff? Traditionally, figuring this out required running large permutations of options10Minimizing Space Option-ms level none -ms0 -ms1 -ms2 -ms3 Performance 100% 90 60 20 0 Code Size 0 10 40 80 100%The table shows the basic strategy employed by compiler and Asm-Opt when using the –ms options User must use the optimizer (-o) with –ms for the greatest effect. The optimizer provides a great deal of information for code-size reduction, as well as increasing performance Use program level optimization (-pm) Try -mh to reduce prolog/epilog code Use –oi0 to disable auto-inliningAnalyze and TuneCompiler Consultant Cache Tune Code Size Tune Tuning Dashboard11CCS Optimization Tool TutorialOverview of Application Code Tuning Compiler Consultant ToolIntroduction DemonstrationCode Size Tune T oolIntroduction DemonstrationCache Tune T oolIntroduction DemonstrationCompiler Consultant IntroductionC/C++ cannot express all the information needed to get the best optimization Compiler Consultant … Recognizes these gapsGives specific advice on filling the gap It analyzes your application and makes recommendations for changes to optimize the performance These suggestions include compiler optimization switches and pragmas to insert into your code that give the compiler more application information Performance Improvement comes quickly12Compiler Consultant Introduction1. 2. 3. 4. 5. 6. 7. 8. 9. Optionally, profile CPU performance Build with –-consultant Launch Profile Viewer to see advice in spreadsheet like format Sort loops to decide where to start See advice by double-clicking on Advice List cell of row for loop of interest Explore advice in web browser like interface Implement as much advice as desired Build to see improvements Repeat until satisfiedBenchmark Code PerformanceProfileClockView13Benchmark Code PerformanceWe set two breakpoints, one before and another after the dotp() Now we can benchmark clock cycles to execute this functionRun to the first breakpointBenchmark Code PerformanceRun to the first breakpointReset the Clock by double click the item14Benchmark Code PerformanceRun to the next breakpoint and get the result of clock cycles to performing this functionBenchmark with ProfilerProfiler SetupProfiler Viewer15Setup the ProfilerThis is a three step process:Click "Enable Profiling"Select the code we want to profile:Functions LoopsSelect the "Custom" ButtonSetup the ProfilerSelect the items to benchmark16Open up the ViewerCountTotalHow many times we run into this functionTotal number of clock cycles to execute this functionCompiler ConsultantProject Build Options17Compiler ConsultantClick on the checkbox Generate Compiler Consultant Advice (--consultant).Compiler ConsultantFrom the Profile menu, choose Viewer.Compiling with no Error18Compiler ConsultantOnce the Profile Viewer window appears, click on the Consultant tab.Compiler ConsultantOnce the Profile Viewer window appears, click on the Consultant tab.The Loop NameWe take 64 cycles to execute this loopTwo advises to optimize this loop19。

hustoj 判题重新编译

hustoj 判题重新编译
HustOJ（HUST Online Judge）是一个在线的编程题库和判题系统。

通常，当我们提交一个代码到在线判题系统，它会运行提交的代码，并根据给定的测试数据和期望的输出来判断代码的正确性。

如果在判题时，发现代码中存在错误或缺陷，需要重新编译并修正代码。

一般的步骤如下：
1. 编译错误分析：首先，需要查看判题系统给出的编译错误信息。

这些信息通常会指出代码中存在的语法错误或其他编译问题。

2. 修改代码：根据编译错误信息，找到代码中的问题并进行修正。

可能需要修改函数、变量名、数据结构等。

3. 重新编译：在修正代码后，需要重新编译代码以检查是否解决了之前的编译问题。

4. 再次提交：如果编译成功，可以再次提交代码到判题系统进行测试。

5. 测试用例检查：判题系统通常会提供一组测试用例来检查代码的正确性。

确保所有测试用例都能通过，并获得预期的输出结果。

6. 反馈查看：如果所有测试用例都通过，可以查看判题系统的反馈，了解代码的得分和其他信息。

重新编译是编程中常见的步骤，特别是在解决编程题目或进行代码调试时。

通过不断地编译、测试和修正，可以提高代码的质量和正确性。

usb枚举apdu指令重复

usb枚举apdu指令重复USB枚举APDU指令重复的情况可能是由于设备或系统出现问题导致的。

以下是一个USB 枚举流程：1. 枚举流程：- 连接了设备的HUB在HOST查询其状态改变端点时返回对应的bitmap，告知HOST 某个PORT状态发生了改变。

- 主机向HUB查询该PORT的状态，得知有设备连接，并知道了该设备的基本特性。

- 主机等待设备上电稳定，然后向HUB发送请求，复位并使能该PORT。

- HUB执行PORT复位操作，复位完成后该PORT就使能了。

现在设备进入到defalut 状态，可以从Vbus获取不超过100mA的电流。

主机可以通过0地址与其通讯。

- 主机通过0地址向该设备发送get_device_descriptor标准请求，获取设备的描述符。

- 主机再次向HUB发送请求，复位该PORT。

- 主机通过标准请求set_address给设备分配地址。

- 主机通过新地址向设备发送get_device_descriptor标准请求，获取设备的描述符。

- 主机通过新地址向设备发送其他get_configuration请求，获取设备的配置描述符。

- 根据配置信息，主机选择合适配置，通过set_configuration请求对设备而进行配置。

这时设备方可正常使用。

2. GET_DESCRIPTOR：总线复位及向默认地址0发送GET_DESCRIPTOR指令包，请求设备描述。

如图一所示：- Index（4-5）：表示USB插入总线复位。

- Index（7-8）：表示主机向默认地址发送GET_DESCRIPTOR指令包，详细信息也抓出来了。

- Index（15-17）：表示设备向主机发送设备描述数据Index（16）。

- Index（18-19）：表示主机完成GET_DESCRIPTOR指令后，给设备发送一个空应答。

3. SET_ADDRESS：再次复位总线及向设备发送SET_ADDRESS指令包，设置设备地址。

Bi2Se3未考虑vdw的错误汇总

在没有考虑vdw作用之前，算Bi2Se3材料soc中出现的错误汇总1.I nternal内部的、内在的ERROR RSPHER:running out of buffer缓冲0 013 1 0nonlr.F:Out of buffer RSPHER.....ran an NPAR optimisation最优test and found that if NCPU is too high and NPAR too low the job will quit with ERROR RSPHER. On the other hand if NCPU is too low and NPAR too high the job will hang during iterations迭代次数and cease to停止write any output. There is an optimum value of NCPU/NPAR which can be determined by running a series of 1 or 2 hour jobs with NPAR=1,2,4,8,16,32 for a given number of CPUs. NPAR must always be a factor因子of NCPU and I believe optimum is usually close to NCPU/16, although this is probably cluster集群dependant相关、依赖and possibly also dependant on the type of calculation being performed.得到的CONTCAR是空文件：说明结构优化部分出现了问题。

2.Logscfrunning on 32 total coresdistrk: each k-point on 32 cores, 1 groupsdistr: one band on 32 cores, 1 groupsusing from now: INCARvasp.5.3.3 18Dez12 (build May 19 2015 15:36:57) complexLogbands...vasp.5.3.3 18Dez12 (build May 19 2015 15:36:57) complexPOSCAR found : 0 types and 0 ions对策1：修改KPOINTS 测试771 881 991 10101 11111对策2：修改NPAR=1，测试NPAR=1,2,3,4,5,6验证结果：修改NPAR=2，NPAR=4计算都没有出错，但算出来能带结构与文献不符：在此基础上，调整其他参数，得到正确的结果。

cf出现错误报告

CF出现错误报告背景协同过滤（Collaborative Filtering，简称CF）是一种常用的推荐算法，在用户个性化推荐中发挥着重要的作用。

然而，在实际应用中，CF算法可能会出现错误报告，影响推荐的准确性和用户体验。

问题分析CF算法的错误报告可能出现在多个环节，包括数据预处理、相似度计算、推荐结果生成等。

下面将从每个环节的角度进行分析。

数据预处理CF算法需要处理大量的用户评分数据，以构建用户-物品评分矩阵。

在数据预处理阶段，可能会出现以下问题： 1. 数据缺失：用户评分数据中可能存在缺失值，即某些用户对某些物品未进行评分。

这会导致在计算相似度或生成推荐结果时出现错误。

2. 数据异常：用户评分数据中可能存在异常值，例如评分超出了合理范围。

这些异常值可能会影响相似度计算的准确性。

3. 数据稀疏：用户评分数据可能呈现稀疏性，即用户对物品的评分较少。

这会导致相似度计算不准确，从而影响推荐结果的质量。

相似度计算CF算法的核心之一是计算用户或物品之间的相似度，以确定相似的用户或物品。

在相似度计算阶段，可能会出现以下问题： 1. 相似度度量方法选择不当：选择合适的相似度度量方法对于CF算法的准确性至关重要。

若选择不当，可能会导致相似度计算错误。

2. 相似度计算复杂度过高：相似度计算可能会消耗大量的计算资源，特别是在处理大规模数据时。

如果计算复杂度过高，可能会导致计算错误或效率低下。

推荐结果生成CF算法的最终目的是生成个性化的推荐结果。

在推荐结果生成阶段，可能会出现以下问题： 1. 推荐列表过长或过短：推荐算法可能会生成推荐列表，但如果列表过长或过短，可能会导致用户的兴趣无法得到良好的满足。

2. 推荐结果不准确：CF算法可能会根据用户的历史行为生成推荐，但如果用户的兴趣发生了变化或存在误差，可能会导致推荐结果不准确。

解决方案针对CF算法出现的错误报告，可以从以下方面进行改进：数据预处理改进1.缺失值处理：可以使用合适的填充方法，如均值填充或基于相似用户的填充，来处理缺失值，以保证数据的完整性。