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Check at configure time if CPU supports the requested SIMD optimization

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neo
2015-05-27 18:30:11 +09:00
parent 64753ea633
commit 19bd6f103a
11 changed files with 2475 additions and 14 deletions
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@ -20,7 +20,7 @@ optimally use MPI, OpenMP and SIMD parallelism under the hood. This is a signifi
for most programmers.
The layout transformations are parametrised by the SIMD vector length. This adapts according to the architecture.
Presently SSE2 (128 bit) AVX, AVX2 (256 bit) and IMCI and AVX512 (512 bit) targets are supported.
Presently SSE4 (128 bit) AVX, AVX2 (256 bit) and IMCI and AVX512 (512 bit) targets are supported.
These are presented as
@ -46,3 +46,5 @@ are examples:
./configure CXX=icpc CXXFLAGS="-std=c++11 -O3 -mmic" --enable-simd=AVX512 --host=none
For developers:
Use reconfigure_script in the scripts/ directory to create the autotools environment