nb_kernel_ElecEwSw_VdwBhamSw_GeomW4W4 regressiontest failing on Power8 - Redmine #2747
$ bin/gmx -version
:-) GROMACS - gmx, 2019-beta3-dev-20181108-d536de3 (-:
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GROMACS: gmx, version 2019-beta3-dev-20181108-d536de3
Executable: /home/pszilard/gromacs-19/build_p8_gcc7_fftw-own_double/bin/gmx
Data prefix: /home/pszilard/gromacs-19 (source tree)
Working dir: /home/pszilard/gromacs-19/build_p8_gcc7_fftw-own_double
Command line:
gmx -version
GROMACS version: 2019-beta3-dev-20181108-d536de3
GIT SHA1 hash: d536de3b5125b79d4222768e356c4914e0758d5a
Precision: single
Memory model: 64 bit
MPI library: thread_mpi
OpenMP support: enabled (GMX_OPENMP_MAX_THREADS = 64)
GPU support: disabled
SIMD instructions: IBM_VSX
FFT library: fftw-3.3.8
RDTSCP usage: disabled
TNG support: enabled
Hwloc support: hwloc-1.11.8
Tracing support: disabled
C compiler: /home/pszilard/programs/gcc/7.3/bin/gcc GNU 7.3.0
C compiler flags: -mcpu=power8 -mpower8-vector -mpower8-fusion -mdirect-move -mvsx -Werror=format-overflow -Wundef -Wextra -Wno-missing-field-initializers -Wno-sign-compare -Wpointer-arith -Wall -Wno-unused -Wunused-value -Wunused-parameter -O3 -DNDEBUG -funroll-all-loops -fexcess-precision=fast -Wno-array-bounds
C++ compiler: /home/pszilard/programs/gcc/7.3/bin/g++ GNU 7.3.0
C++ compiler flags: -mcpu=power8 -mpower8-vector -mpower8-fusion -mdirect-move -mvsx -std=c++11 -Wformat-overflow -Wundef -Wextra -Wno-missing-field-initializers -Wpointer-arith -Wmissing-declarations -Wall -O3 -DNDEBUG -funroll-all-loops -fexcess-precision=fast -Wno-array-bounds (from redmine: issue id 2747, created on 2018-11-08 by pszilard, closed on 2019-02-13)
- Relations:
- relates #2734 (closed)
- relates #2746 (closed)
- relates #3057 (closed)
- Changesets:
- Revision 4a7281ef by Szilárd Páll on 2019-02-13T15:50:05Z:
Disable instruction fusion on Power8
The -mpower8-fusion flag seems to be the source of incorrect code; not
confirmed, but likely a codegen issue that also affects Power9 with the
similar flag used.
Fixes #2747 #2746 #2734
Change-Id: I56f50e54db47f4fe30c42488f4c4f79ac474518a- Revision 1ce795fe by Szilárd Páll on 2019-02-19T13:17:17Z:
Disable instruction fusion on Power8
The -mpower8-fusion flag seems to be the source of incorrect code; not
confirmed, but likely a codegen issue that also affects Power9 with the
similar flag used.
Fixes #2747 #2746 #2734
Change-Id: I56f50e54db47f4fe30c42488f4c4f79ac474518a- Uploads: