[gmx-users] avx2 with gcc 4.8.3

Mark Abraham mark.j.abraham at gmail.com
Tue Dec 16 18:19:50 CET 2014 

Hi,

binutils package from this century is required ;-)

Mark

On Tue, Dec 16, 2014 at 11:19 AM, Harry Mark Greenblatt <
harry.greenblatt at weizmann.ac.il> wrote:
>
> BS"D
>
>
>
> CMakeFiles/CMakeError.log should show why cmake thinks your gcc doesn't
> support -mavx2.
>
>
> Here is where mavx2 is mentioned in the CMakeError.log:
>
> Performing C SOURCE FILE Test C_SIMD_COMPILES_FLAG_mavx2 failed with the
> following output:
> Change Dir: /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp
>
> Run Build Command:/usr/bin/gmake "cmTryCompileExec653850785/fast"
> /usr/bin/gmake -f CMakeFiles/cmTryCompileExec653850785.dir/build.make
> CMakeFiles/cmTryCompileExec653850785.dir/build
> gmake[1]: Entering directory `/opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp'
> /usr/bin/cmake -E cmake_progress_report
> /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp/CMakeFiles 1
> Building C object CMakeFiles/cmTryCompileExec653850785.dir/src.c.o
> /opt/gcc483/bin/gcc   -Wno-maybe-uninitialized -Wextra
> -Wno-missing-field-initializers -Wno-sign-compare -Wpointer-arith -Wall
> -Wno-unused -Wunused-value -Wunused-parameter
> -DC_SIMD_COMPILES_FLAG_mavx2  -mavx2   -o
> CMakeFiles/cmTryCompileExec653850785.dir/src.c.o   -c
> /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp/src.c
> /tmp/ccgMSlsZ.s: Assembler messages:
> /tmp/ccgMSlsZ.s:26: Error: suffix or operands invalid for `vpaddd'
> /tmp/ccgMSlsZ.s:31: Error: suffix or operands invalid for `vpmovmskb'
> gmake[1]: *** [CMakeFiles/cmTryCompileExec653850785.dir/src.c.o] Error 1
> gmake[1]: Leaving directory `/opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp'
> gmake: *** [cmTryCompileExec653850785/fast] Error 2
>
> Source file was:
> #include<immintrin.h>
>                               int main(){__m256i
> x=_mm256_set1_epi32(5);x=_mm256_add_epi32(x,x);return
> _mm256_movemask_epi8(x);}
> .
> .
> .
> Performing C++ SOURCE FILE Test CXX_SIMD_COMPILES_FLAG_mavx2 failed with
> the following output:
> Change Dir: /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp
>
> Run Build Command:/usr/bin/gmake "cmTryCompileExec373526268/fast"
> /usr/bin/gmake -f CMakeFiles/cmTryCompileExec373526268.dir/build.make
> CMakeFiles/cmTryCompileExec373526268.dir/build
> gmake[1]: Entering directory `/opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp'
> /usr/bin/cmake -E cmake_progress_report
> /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp/CMakeFiles 1
> Building CXX object CMakeFiles/cmTryCompileExec373526268.dir/src.cxx.o
> /opt/gcc483/bin/c++    -Wextra -Wno-missing-field-initializers
> -Wpointer-arith -Wall -Wno-unused-function  -DCXX_SIMD_COMPILES_FLAG_mavx2
> -mavx2   -o CMakeFiles/cmTryCompileExec373526268.dir/src.cxx.o -c
> /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp/src.cxx
> /tmp/ccRRR9xH.s: Assembler messages:
> /tmp/ccRRR9xH.s:24: Error: suffix or operands invalid for `vpaddd'
> /tmp/ccRRR9xH.s:29: Error: suffix or operands invalid for `vpmovmskb'
> gmake[1]: *** [CMakeFiles/cmTryCompileExec373526268.dir/src.cxx.o] Error 1
> gmake[1]: Leaving directory `/opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp'
> gmake: *** [cmTryCompileExec373526268/fast] Error 2
>
> Source file was:
> #include<immintrin.h>
>                                 int main(){__m256i
> x=_mm256_set1_epi32(5);x=_mm256_add_epi32(x,x);return
> _mm256_movemask_epi8(x);}
> .
> .
> .
> and the very last error message in the file was:
>
> Performing C++ SOURCE FILE Test CXX_SIMD_COMPILES_FLAG_ failed with the
> following output:
> Change Dir: /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp
>
> Run Build Command:/usr/bin/gmake "cmTryCompileExec1392706959/fast"
> /usr/bin/gmake -f CMakeFiles/cmTryCompileExec1392706959.dir/build.make
> CMakeFiles/cmTryCompileExec1392706959.dir/build
> gmake[1]: Entering directory `/opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp'
> /usr/bin/cmake -E cmake_progress_report
> /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp/CMakeFiles 1
> Building CXX object CMakeFiles/cmTryCompileExec1392706959.dir/src.cxx.o
> /opt/gcc483/bin/c++    -Wextra -Wno-missing-field-initializers
> -Wpointer-arith -Wall -Wno-unused-function  -DCXX_SIMD_COMPILES_FLAG_   -o
> CMakeFiles/cmTryCompileExec1392706959.dir/src.cxx.o -c
> /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp/src.cxx
> /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp/src.cxx: In function ‘int
> main()’:
> /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp/src.cxx:2:44: error:
> ‘__m256i’ was not declared in this scope
>                                  int main(){__m256i
> x=_mm256_set1_epi32(5);x=_mm256_add_epi32(x,x);return
> _mm256_movemask_epi8(x);}
>                                             ^
> /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp/src.cxx:2:52: error: expected
> ‘;’ before ‘x’
>                                  int main(){__m256i
> x=_mm256_set1_epi32(5);x=_mm256_add_epi32(x,x);return
> _mm256_movemask_epi8(x);}
>                                                     ^
> /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp/src.cxx:2:75: error: ‘x’ was
> not declared in this scope
>                                  int main(){__m256i
> x=_mm256_set1_epi32(5);x=_mm256_add_epi32(x,x);return
> _mm256_movemask_epi8(x);}
>
>  ^
> /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp/src.cxx:2:97: error:
> ‘_mm256_add_epi32’ was not declared in this scope
>                                  int main(){__m256i
> x=_mm256_set1_epi32(5);x=_mm256_add_epi32(x,x);return
> _mm256_movemask_epi8(x);}
>
>                        ^
> /opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp/src.cxx:2:128: error:
> ‘_mm256_movemask_epi8’ was not declared in this scope
>                                  int main(){__m256i
> x=_mm256_set1_epi32(5);x=_mm256_add_epi32(x,x);return
> _mm256_movemask_epi8(x);}
>
>                                                       ^
> gmake[1]: *** [CMakeFiles/cmTryCompileExec1392706959.dir/src.cxx.o] Error 1
> gmake[1]: Leaving directory `/opt/gromacs-5.0.3/build/CMakeFiles/CMakeTmp'
> gmake: *** [cmTryCompileExec1392706959/fast] Error 2
>
> Source file was:
> #include<immintrin.h>
>                                 int main(){__m256i
> x=_mm256_set1_epi32(5);x=_mm256_add_epi32(x,x);return
> _mm256_movemask_epi8(x);}
>
> Thanks
>
>
> Harry
>
>
>
>
> -------------------------------------------------------------------------
>
> Harry M. Greenblatt
>
> Associate Staff Scientist
>
> Dept of Structural Biology
>
> Weizmann Institute of Science        Phone:  972-8-934-3625
>
> 234 Herzl St.                        Facsimile:   972-8-934-4159
>
> Rehovot, 76100
>
> Israel
>
>
> Harry.Greenblatt at weizmann.ac.il<mailto:Harry.Greenblatt at weizmann.ac.il>
>
>
>
>
>
>
>
> --
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