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Resultados da pesquisa: 479

  1. AVX-512 is a big step forward - but repeating past mistakes!

    https://software.intel.com/pt-br/comment/1808767

    AVX512 is arguably the biggest step yet in the evolution of the x86 instruction set in terms of new instructions, new registers and new features. The first try was ...

  2. unaligned loads avx-128 vs. -256

    https://software.intel.com/pt-br/forums/intel-isa-extensions/topic/498711

    I just saw that my cases using _mm256_loadu_ps show better performance than _mm_loadu_ps on corei7-4, where the latter was faster on earlier AVX ...

  3. Cache and AVX

    https://software.intel.com/pt-br/forums/software-tuning-performance-optimization-platform-monitoring/topic/699879?language=ru

    15 out. 2016 ... Hi, I wrote down a piece of code which searches a file for one or two character matches using AVX. Source code is here: ...

  4. AVX: _mm_alignr_epi8 equivalent for YMM registers ?

    https://software.intel.com/pt-br/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 ...

  5. Intel® AVX Special German and United Kingdom Discussion 2010 ...

    https://software.intel.com/pt-br/forums/intel-avx-special-german-and-united-kingdom-discussion-2010

    The Intel® Software team in the United Kingdom and Germany are organizing an exclusive opportunity for software developers. We will be inviting the top forum ...

  6. Oct. 18 webinar - Vectorization Insights with Intel® AVX-512

    https://software.intel.com/pt-br/forums/intel-fortran-compiler-for-linux-and-mac-os-x/topic/699536

    12 out. 2016 ... We will describe, with C and Fortran examples, new opportunities for performance-enhancing vectorization provided by the Intel® AVX-512 ...

  7. What is different between these AVX events on v3?

    https://software.intel.com/pt-br/node/696359

    21 set. 2016 ... I found these events on v3. And test xhpl_hybrid_intel64 ( parallel_studio_xe_2015.tgz). "AVX_INSTS_LOADS", "AVX_INSTS_STORES" ...

  8. AVX preprocessor macro in bvh.cpp, bvh_statistics.cpp, primitive.cpp

    https://software.intel.com/pt-br/node/660278

    8 jul. 2016 ... We noticed that while we are trying to move to embree 2.10.0 there are linkage errors when we link our codebase to an avx build embree:.

  9. AVX Turbo bins for Broadwell-EP

    https://software.intel.com/pt-br/node/684653

    6 set. 2016 ... Hi, I was wondering whether the information available in Table 3 of ...

  10. AVX vs. SSE4.2 performance on Sandybridge

    https://software.intel.com/pt-br/forums/intel-visual-fortran-compiler-for-windows/topic/373604

    28 fev. 2013 ... I was expecting for the single precision an 8x peak performance improvement with AVX and a 4x improvement with SSE4.2 by vectorization.

  11. Converting SSE packed integer handling to AVX

    https://software.intel.com/pt-br/forums/intel-isa-extensions/topic/282416

    Used SSE to work with for example, 6-bit packed integers.SSErequired a lot of heavy lifting thru masking and shifting and storing of results into temporary ...

  12. How to zero extend packed unsigned 8-bit integers with an AVX ...

    https://software.intel.com/pt-br/node/676400

    29 ago. 2016 ... I need to zero extend packed unsigned 8-bit integers with an AVX intrinsic. Question: How do you generate a "vpmovzxbd xmm, xmm" ...

  13. how do I know MKL FFT being called used AVX-512

    https://software.intel.com/pt-br/forums/intel-math-kernel-library/topic/542369

    Hi I am trying to look at MKL FFT performance by calling 5 lib functions as below, I configured the optimization and enabled AVX-512 etc in the project properties ...

  14. How to compile avx intrinsics in linux device driver?

    https://software.intel.com/pt-br/forums/intel-isa-extensions/topic/543853

    24 mar. 2015 ... Ubuntu on core i7 How to compile avx intrinsics in linux device driver? ... assembler in a Linux device driver than to use the AVX intrinsics.

  15. ifort 17.0.0 AVX dot_product bug on i5-6300HQ with -O2 -xHost

    https://software.intel.com/pt-br/node/697739

    28 set. 2016 ... I may have found a compiler bug on Linux, for ifort version 17.0.0 on a Debian ' testing' distribution (uname -a: Linux e5470 4.6.0-1-amd64 #1 ...

  16. Build for Atom requires AVX function?

    https://software.intel.com/pt-br/node/673455

    4 ago. 2016 ... I'm attempting to build a dynamic library as part of an application that runs on an Atom E3845 under a custom OpenEmbedded-based Linux.

  17. Why is my AVX slower than SSE?

    https://software.intel.com/pt-br/forums/intel-isa-extensions/topic/559228

    Jun 7, 2015 ... As the description of "IIR Gaussian Blur Filter Implementation using Intel® Advanced Vector Extensions", The AVX should be faster than SSE ...

  18. Intel® Compiler Options for Intel® SSE cannot support AVX on ...

    https://software.intel.com/pt-br/forums/intel-c-compiler/topic/534485

    I build an project with Intel® Compiler C++ but I have error when setting Intel Processor-Specific Optimization = AVX. Run on windows 7 ok /arch:AVX / QaxAVX ...

  19. Avx vs avx2

    https://software.intel.com/pt-br/node/624461

    13 abr. 2016 ... Hoping to minimize use of multiple isa target options, I made some comparison of avx vs. Avx2 performance on haswell to characterize where ...

  20. Choosing between AVX and SSE2 at run time

    https://software.intel.com/pt-br/node/594543

    In my case, my processor has AVX instructions available, but I would like to test the SSE2 path as well. Is there any way I can do this, or must I just run on a ...

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