sse2 support

logical shift of bits. SSE2 contains the PSLLDQ command. The DQ here is the meaning of Double QWORD, Isn't this exactly the-bit shift we need? No! Let's take a look at Intel's documents: PSLLDQ -- Packed Shift Left Logical Double Quadword Or Http://moeto.comoj.com/project/intel/instruct32_hh/vc255.htm As follows: We can see that, unfortunately, SSE2 does not achieve-bit shift by bit. PSLLDQ can only achie

Recently, we used Intel's media SDK to play H264 videos. We found that the frames transcoded by intel's SDK are in the NV12 pixel format and must be converted to the RGB32 format by ourselves. Although this type of code looks for a lot on the Internet, you can do it yourself. Google's conversion formula: C = Y-16D = U-128E = V-128R = clip (round (1.164383 * C + 1.596027 * E ))G = clip (round (1.164383 * C-(0.391762 * D)-(0.812968 * E )))B = clip (round (1.164383 * C + 2.017232 * D )) I studied h

This section describes the sse2 Integer Operation commands. 5. Data Migration instructions MovdqaXMM, XMM/m128 MovdqaXMM/m128, XMMThe source memory content value is sent to the destination register. When m128 exists, the memory address must be 16 bytes aligned. MovdquXMM, XMM/m128 MovdquXMM/m128, XMMThe source memory content value is sent to the destination register, and the memory address does not need to be 16 bytes aligned. Movq2dqXM

One of my interesting programming directions is the large number of calculations, so in assembly language to write a lot of large number of computational aspects of small programs, and last week suddenly came up with a SSE2 instruction to convert integers into 16 strings of a good idea, then put into implementation. Originally thought can speed up to 500%, that test found that, compared to the original C language version, the speed has been increased

// Http://stackoverflow.com/questions/1715224/very-fast-memcpy-for-image-processing CourtesyWilliam Chan and Google. 30-70% faster than memcpy in Microsoft Visual Studio 2005. void X_aligned_memcpy_sse2(void* dest, const void* src, const unsigned long size_t){ __asm { mov esi, src; //src pointer mov edi, dest; //dest pointer mov ebx, size_t; //ebx is our counter shr ebx, 7; //divide by 128 (8 * 128bit registers) loop_copy: prefetchnta 128[ESI]; //

YourselfProgramTo share with you. It's dangerous to remember sprintf! VC ++ 2008 in debug mode # Include This program gets stuck when it is executed to free, and F11 is used for debugging until it reaches the assembly language. JMP _ vec_memzero; Use fast zero sse2 implementation The system stops and displays "No information available for the current location ".Source code". Cause: Invalid Memory Access, subscript out of bounds.

Http://www.mathblog.dk/project-euler-46-odd-number-prime-square/ Not a hard one to code, but it can be optimized using SSE2 instructions. The code below runs with g++ 4.8.1: g++-g-c RIDDLE.CPP-STD=C++11-MSSE2-PGg++-O riddle.exe riddle.o-pgObjdump-d-M intel-s riddle.o > Assembly.txtRiddleGprof Riddle.exe gmon.out > Report.txt And here is the code: #if defined (__sse2__) #include

-linkbutton"Plain= "true"ID= "button495769"Iconcls= "NULL"onclick= "onClickbutton495769 ();" >End escalationa>Get the ID of the selected row and stitch it up:function onClickbutton495769 () {var rows = $ (' #tabgrid20170726191838251403 '). DataGrid (' getselections '); if (Rows! = NULL) {var ids = ""; for (var i=0;iClick on the specific task to achieve the jump:function onClickRow20170726191838251403 (rowindex, RowData) {var row = $ (' #tabgrid20170726191838251403 '). DataGrid (' GetSelected ');

Summary: Apache support Chinese domain name binding, Apache support Chinese domain name binding, teach you how to let Apache support Chinese domain name binding , according to my actual experience, how to let Apache support Chinese domain name binding, It's absolutely useful for Apache to

Sublime Text 2-the Sexiest code Editor! The programmer must be an artifact! Cross-platform support Win/mac/linux, support 32 and 64-bit, support the syntax highlighting of various popular programming languages, code complement congruent ...Syntax highlighting, code hinting completion, code folding, customizing skins/color schemes, multi-note pages:SUBLIMETEXT2 su

UI interface is completely different, then upload the logic and interface to write the dead, encounter different situations need targeted transformation. For a single case, of course, the lightest, only to consider the current situation, not the function can be completely thrown away, can be the most streamlined, but not easy to reuse. If a wheel cannot be reused, it certainly cannot be counted as a qualified wheel. Be aware of this, and now that you have embarked on the road of making wheels,

Android associated source code support-v4, v7, v13 source code, support-v4v13 In the actual development process of Android, you will often encounter the use of v4, v7 or v13 compatible packages, such as ViewPager, Fargment, but cannot be associated with the source code. There are a lot of solutions on the Internet. Here we will only introduce a small series that have passed the test. I hope it will help you

For http://www.dywt.com.cn/vbs/dispbbs.asp? Boardid = 124 id = 68533 star = 1 Or -------------------------------------Auxiliary debugging support library (version 1.5 #1)------------------------------------- If not, this is the last version of the "Auxiliary debugging support library. The following commands are currently provided: Debug output ()Verify ()Wait ()Enumeration file ()Enumerate subdirectories

Background: Make a personal blog full-text search to use like what, now MySQL version number is more than 5.6.4 also supported the full-text search of InnoDB, just checked the current version number to MySQL Community Server 5.6.19, so, Some small applications can use it for full-text searches, such as Sphinx and Lucene, which require configuration or development, saving costs.Here's an original MySQL full-text search article, MySQL full-text search feature:http://blog.csdn.net/bravekingzhang/ar

Non-professional study notes. Thank you! Driver support routines (driverProgramDevelopment support routine) Driver support routines are routines that the Windows operating system provides for kernel-mode drivers to use.Drivers do not use Microsoft Win32 routines; instead, they use the driver support routines that t

Does Q:iphone7 support fast charging? A: In the "2016 Apple Fall release ", only mentioned IPhone7 compared to the 6s endurance, but did not mention whether to support the fast-charging. And according to the latest appearance of the IPhone7 box, the IPhone 7 is still equipped with the 5V/1A charger, and 6s unchanged, which means that IPhone7 still do not support