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use omp simd in performance comparision loop

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This commit is contained in:
Christian Zimmermann 2019-02-14 22:04:33 +01:00
parent 0559372b0f
commit 59ffd5adcc
1 changed files with 10 additions and 4 deletions
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14
src/tests/op_perf_test.cc
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@ -195,16 +195,22 @@ namespace {
} }
} }
std::clock_t begin2 = std::clock(); std::clock_t begin2 = std::clock();
double* vrptr = vres.data();
double* dptr = data.data();
for(size_t j = 0; j != os; ++j) { for(size_t j = 0; j != os; ++j) {
for(size_t i = 0; i != os; ++i){ for(size_t i = 0; i != os; ++i){
for(size_t a = 0; a != 4; ++a){ for(size_t a = 0; a != 4; ++a){
for(size_t b = 0; b != 4; ++b){ for(size_t b = 0; b != 4; ++b){
for(size_t c = 0; c != 4; ++c){ for(size_t c = 0; c != 4; ++c){
for(size_t d = 0; d != 4; ++d){ for(size_t d = 0; d != 4; ++d){
for(size_t p = 0; p != 4; ++p){ const size_t tidx = i*4*4 + d*4;
const size_t tidx = i*4*4 + d*4 + p; const size_t sidx = /*i*65536 +*/ d*4*4*4*4*4*4*4 + a*5*4*4*4*4*4 + b*5*4*4*4 + c*5*4;
const size_t sidx = /*i*65536 +*/ d*4*4*4*4*4*4*4 + a*5*4*4*4*4*4 + b*5*4*4*4 + c*5*4 + p; double* xvrptr = vrptr + tidx;
vres[tidx] += data[sidx]; double* xdptr = dptr + sidx;
#pragma omp simd aligned(xvrptr, xdptr: 32)
for(int p = 0; p < 4; p++){
xvrptr[p] += xdptr[p];
} }
} }
} }