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Converting cilk vectorization directives to the openmp standard and changing some more depracated vector intrinsics. Data alignment directives for compiler vectorization are still mostly intel specific.

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This commit is contained in:
Mike Brown
2021-07-26 11:22:21 -07:00
parent 1345c25f41
commit fefcd0e2af
33 changed files with 1013 additions and 189 deletions
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32
src/INTEL/fix_intel.cpp
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@ -635,19 +635,31 @@ void FixIntel::reduce_results(acc_t * _noalias const f_scalar)
if (_nthreads == 4) {
acc_t *f_scalar3 = f_scalar2 + f_stride4;
acc_t *f_scalar4 = f_scalar3 + f_stride4;
_use_simd_pragma("vector aligned")
_use_simd_pragma("simd")
#if defined(USE_OMP_SIMD)
#pragma omp simd aligned(f_scalar,f_scalar2,f_scalar3,f_scalar4:64)
#elif defined(LMP_SIMD_COMPILER)
#pragma vector aligned
#pragma simd
#endif
for (int n = 0; n < o_range; n++)
f_scalar[n] += f_scalar2[n] + f_scalar3[n] + f_scalar4[n];
} else if (_nthreads == 2) {
_use_simd_pragma("vector aligned")
_use_simd_pragma("simd")
#if defined(USE_OMP_SIMD)
#pragma omp simd aligned(f_scalar,f_scalar2:64)
#elif defined(LMP_SIMD_COMPILER)
#pragma vector aligned
#pragma simd
#endif
for (int n = 0; n < o_range; n++)
f_scalar[n] += f_scalar2[n];
} else {
acc_t *f_scalar3 = f_scalar2 + f_stride4;
_use_simd_pragma("vector aligned")
_use_simd_pragma("simd")
#if defined(USE_OMP_SIMD)
#pragma omp simd aligned(f_scalar,f_scalar2,f_scalar3:64)
#elif defined(LMP_SIMD_COMPILER)
#pragma vector aligned
#pragma simd
#endif
for (int n = 0; n < o_range; n++)
f_scalar[n] += f_scalar2[n] + f_scalar3[n];
}
@ -662,8 +674,12 @@ void FixIntel::reduce_results(acc_t * _noalias const f_scalar)
acc_t *f_scalar2 = f_scalar + f_stride4;
for (int t = 1; t < _nthreads; t++) {
_use_simd_pragma("vector aligned")
_use_simd_pragma("simd")
#if defined(USE_OMP_SIMD)
#pragma omp simd aligned(f_scalar,f_scalar2:64)
#elif defined(LMP_SIMD_COMPILER)
#pragma vector aligned
#pragma simd
#endif
for (int n = iifrom; n < iito; n++)
f_scalar[n] += f_scalar2[n];
f_scalar2 += f_stride4;