Top "Avx" questions

Advanced Vector Extensions (AVX) is an extension to the x86 instruction set architecture for microprocessors from Intel and AMD.

Your CPU supports instructions that this TensorFlow binary was not compiled to use: AVX AVX2

I am new to TensorFlow. I have recently installed it (Windows CPU version) and received the following message: Successfully installed …

tensorflow cpu avx
FLOPS per cycle for sandy-bridge and haswell SSE2/AVX/AVX2

I'm confused on how many flops per cycle per core can be done with Sandy-Bridge and Haswell. As I understand …

cpu intel cpu-architecture avx flops
How to tell if a Linux machine supports AVX/AVX2 instructions?

I'm on SUSE Linux Enterprise 10/11 machines. I launch my regressions to a farm of machines running Intel processors. Some of …

linux unix avx suse avx2
How to check if a CPU supports the SSE3 instruction set?

Is the following code valid to check if a CPU supports the SSE3 instruction set? Using the IsProcessorFeaturePresent() function apparently …

c++ sse instruction-set avx cpuid
How to detect SSE/SSE2/AVX/AVX2/AVX-512/AVX-128-FMA/KCVI availability at compile-time?

I'm trying to optimize some matrix computations and I was wondering if it was possible to detect at compile-time if …

gcc clang sse avx avx512
How to use Fused Multiply-Add (FMA) instructions with SSE/AVX

I have learned that some Intel/AMD CPUs can do simultanous multiply and add with SSE/AVX: FLOPS per cycle …

c sse cpu-architecture avx fma
Using AVX CPU instructions: Poor performance without "/arch:AVX"

My C++ code uses SSE and now I want to improve it to support AVX when it is available. So …

c++ performance visual-studio-2010 sse avx
Intel SSE and AVX Examples and Tutorials

Is there any good C/C++ tutorials or examples for learning Intel SSE and AVX instructions? I found few on …

intel sse vectorization avx
Using AVX intrinsics instead of SSE does not improve speed -- why?

I've been using Intel's SSE intrinsics for quite some time with good performance gains. Hence, I expected the AVX intrinsics …

c++ performance gcc sse avx
Using AVX with GCC - avxintrin.h missing

I'm running my Laptop(coreI5) on Ubuntu-64bit 12.04LTS. I'm trying to get into AVX for some random number generation. …

c++ gcc avx