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  1. Skylake Xeon and AVX-512VL


    16 Feb 2017 ... As I need to use the AVX-512VL (not AVX-512F or others) instruction set, ... Phi Co-processor supports AVX-512F but not AVX-512VL, am I right?

  2. AVX in SGX


    24 Feb 2017 ... Are AVX instructions available to an enclave? If so, would SGX protect the entire data path of the SIMD workload? Thanks!

  3. Cache and AVX


    15 Oct 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. Question about performance difference SSE4/AVX vs. AVX2 with ...


    Feb 1, 2017 ... Hi, today I've interesting question about your experience (not only theoretical improvement) with code performance difference on SSE4/AVX ...

  5. AVX platform question


    14 Ene 2014 ... Dear all, until now we were using only Westmere X5650 base machines. Now Ivy Bridge E5-2670V2 nodes arrived. To get benefit from AVX I ...

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


    Jul 8, 2016 ... Hello! I would like to know the purpose of some preprocessor macros that do specific template instantiation and function definition.

  7. AVX coding examples


    1 Feb 2011 ... I found some good C/C++ coding examples for using AVX to solve different mathematical and modelling problems ...

  8. Build for Atom requires AVX function?


    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.

  9. Vectorization - Speed up expected for SSE and AVX


    1 day ago ... I tried to use different flag options for vectorization : the 3 ones that interest me are SSE, AVX and AVX2. For my benchmark, I add each element ...

  10. post AVX killer apps here


    16 Nov 2010 ... I was wondering which applications will profit most from AVX extensions. There are some AES, fp and integer math operations. Please post ...

  11. AVX Base and Turbo Frequencies on non E5 CPUs


    19 Oct 2015 ... The AVX Base and Turbo Frequencies for the Xeon E5 v3 CPUs are well documented: ...

  12. Disabling AVX


    26 Mar 2014 ... Hi all, Is there a way (under Windows 7) to disable the support of AVX. I wan't to make sure that on a pre-SB machine I don't get "Illegal ...

  13. Why is my AVX slower than SSE?


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

  14. AVX best performance min function with usigned char


    3 Ene 2017 ... Considering that A,B,C are 8 bit datatype so with AVX vectorization I should have 16 operation per clock cycle, but the function fmin work with ...

  15. When is AVX 512 on a chip, not just an emulator?


    1 Jul 2014 ... I have seen the official statement that Broadwell chips will be available before Christmas, but I can't tell if Broadwell includes the AVX 512 ...

  16. avx vs avx 2 performance.


    10 Sep 2013 ... We try 3th gen processor (i7-3517UE with avx) and we try 4th gen processor (i5- 4402E with avx2). We configured all processors to work on the ...

  17. Illegal instruction when running AVX program


    11 Sep 2015 ... I used icpc to compile an AVX program with instruction such as _mm256_maskload_epi32. The program compiles and links fine. When I run it, ...

  18. AVX vs. SSE4.2 performance on Sandybridge


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

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


    24 Mar 2015 ... It may be easier to use inline assembler in a Linux device driver than to use the AVX intrinsics. This will eliminate the header file problems.

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


    28 Sep 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 ...

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