搜索

搜索结果:

搜索结果: 1 140

  1. ISA 扩展、 英特尔AVX | 英特尔® 开发人员专区

    https://software.intel.com/zh-cn/isa-extensions/intel-avx

    英特尔® AVX 是一个针对英特尔® SIMD 流指令扩展的全新256 位扩展指令集,专为 浮点密集型应用而设计。 它于2011 年年初作为第二代英特尔® 酷睿™ 处理器 ...

  2. AVX - Vector shifts

    https://software.intel.com/zh-cn/forums/intel-isa-extensions/topic/343530

    I'm comparing two programmes, one is written using SSE and the other one AVX. My aim is to show that the avx version is running 2 times faster but I'm loosing ...

  3. AVX horizontal sum and store

    https://software.intel.com/zh-cn/forums/intel-isa-extensions/topic/346695

    The next thing is how to store only, one value of an AVX register. In SSE I just used _mm_store_sd. I could do a cast from __m256d to __m128d and use SSE ...

  4. AVX Optimizations and Performance: VisualStudio vs GCC

    https://software.intel.com/zh-cn/forums/intel-isa-extensions/topic/475462

    Greetings, I have recently written some code using AVX function calls to perform a convolution in my software. I have compiled and run this code on two ...

  5. 如何检测Knights Landing AVX-512 支持(英特尔至强融核处理器 ...

    https://software.intel.com/zh-cn/articles/how-to-detect-knl-instruction-support

    2016年2月22日 ... 英特尔至强融核处理器(代号“Knights Landing”)是第二代英特尔至强融核产品的 一部分。Knights Landing 支持AVX-512 指令,特别是AVX-512F ...

  6. Do the Intel 11.1 compilers support AVX?

    https://software.intel.com/zh-cn/forums/intel-isa-extensions/topic/295887

    Title says it all. Just wondering if the 11.1 version of the intel C and Fortran compilers generate AVX code? Can someone verify this? Thanks for any assistance.

  7. 即使不用最新硬件也可实现最新AVX SIMD指令调优| 英特尔® 开发 ...

    https://software.intel.com/zh-cn/videos/using-intel-advisor-to-vectorize-your-code

    即使不用最新硬件也可实现最新AVX SIMD指令调优. Wei D. (Intel)的头像 Wei D. ( Intel) 于 星期二, 2016-07-12 00:52 提交. 新浪 · 腾讯 ...

  8. axAVX build crashes in Non-AVX Intel processor

    https://software.intel.com/zh-cn/forums/intel-c-compiler/topic/518520

    Hi, I need to build with option -axAVX using Intel compiler(ICPC C++ compiler),so that i can run on AVX supported Intel processor and also in non-AVX Intel ...

  9. Converging AVX and LRBni

    https://software.intel.com/zh-cn/comment/1492124

    Obviously power consumption is a big issue, but since AVX is specified to process up to 1024-bit registers, it could execute such wide operations using SNB's ...

  10. knowing whether AVX or AVX2 is used.

    https://software.intel.com/zh-cn/node/606741

    Hi, Recently I did a Vtune analysis on a machine that support both avx & avx2 instructions. In the Vtune profile I saw the function __intel_avx_rep_memcpy, and  ...

  11. AVX: _mm_alignr_epi8 equivalent for YMM registers

    https://software.intel.com/zh-cn/forums/intel-isa-extensions/topic/283576

    Hello,I am looking for an equivalent to the most useful intrinsic_mm_alignr_epi8 with AVX registers (I guess its equivalent to PALIGNR or VPALIGNR for the one ...

  12. Performance Issues on AVX Instructions

    https://software.intel.com/zh-cn/forums/intel-isa-extensions/topic/280799

    It seems that the broadcast sets the saved flag in the avx status reg and the AVX instructions in the loop never clear this flag and all following AVX instructions ...

  13. AVX-512 expectations

    https://software.intel.com/zh-cn/forums/intel-isa-extensions/topic/404037

    What isn't clear from this announcement is whether the future Xeon processor with AVX-512 support will actually be a socketed MIC, or a CPU (more precisely ...

  14. 在不编写AVX 代码的情况下使用AVX | 英特尔® 开发人员专区

    https://software.intel.com/zh-cn/articles/using-avx-without-writing-avx-code

    2012年3月7日 ... Using AVX Without Writing AVX Code (PDF 260KB) 摘要英特尔® 高级矢量扩展 指令集(AVX)是一套针对英特尔® SIMD 流指令扩展(英特尔® ...

  15. PDEP/PEXT operations for AVX

    https://software.intel.com/zh-cn/forums/intel-isa-extensions/topic/370419

    Hi, I was wondering if Intel engineers would consider adding certain BMI instructions to AVX. In particular, I think vector variants of PDEP and PEXT would be of ...

  16. 避免AVX-SSE 转换造成的性能损失| 英特尔® 开发人员专区

    https://software.intel.com/zh-cn/articles/avoiding-avx-sse-transition-penalties

    2012年2月23日 ... 避免AVX-SSE 转换造成的性能损失(PDF 678 KB) 由于硬件必须保存和恢复YMM 寄存器的上层128 位,因此一个程序中256 位英特尔® AVX 指令与 ...

  17. Mixed (with/without AVX) project

    https://software.intel.com/zh-cn/forums/intel-c-compiler/topic/533613

    Hello I've a static lib bult with -xAVX. In runtime if CPU has no avx the lib is unused. However this lib presence forces my app to crash. In Link Map file I see ICC ...

  18. Welcome to the Intel(R) AVX Forum!

    https://software.intel.com/zh-cn/forums/intel-isa-extensions/topic/302778

    Please take a moment to read the papers and download the guide from the Intel AVX web site. If you have any questions about Intel AVX, AES, or SSE4.2 please  ...

  19. How to use the auto-dispatching for AVX (plus some more questions)

    https://software.intel.com/zh-cn/forums/intel-c-compiler/topic/544561

    Hi, 1) I spent more than a day playing with AVX intrinsics just to find out, that despite I made almost as fast as my assembler code (with ICC actually slightly ...

  20. How Profile a program that have avx instructions

    https://software.intel.com/zh-cn/node/605197

    Hi, there is a tool or a Visual Studio plugin that give me how many SSE/AVX instructions there are in my code? How many SIMD Instruction I've performed? ecc.

有关编译器优化的更完整信息,请参阅优化通知