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Added the (hopefully final) basic test case used for the benchmarks

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jpekkila
2020-06-07 21:59:33 +03:00
parent 17a4f31451
commit 9840b817d0
4 changed files with 50 additions and 25 deletions
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7
samples/benchmark/main.cc
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@@ -56,11 +56,12 @@ morton3D(const uint64_t pid)
{
uint64_t i, j, k;
i = j = k = 0;
for (int bit = 0; bit <= 21; ++bit) {
const uint64_t mask = 0x1l << 3 * bit;
i |= ((pid & (mask << 0)) >> 2 * bit) >> 0;
k |= ((pid & (mask << 0)) >> 2 * bit) >> 0;
j |= ((pid & (mask << 1)) >> 2 * bit) >> 1;
k |= ((pid & (mask << 2)) >> 2 * bit) >> 2;
i |= ((pid & (mask << 2)) >> 2 * bit) >> 2;
}
return (uint3_64){i, j, k};
@@ -174,7 +175,7 @@ main(int argc, char** argv)
*/
// Percentiles
const size_t num_iters = 100;
const size_t num_iters = 1000;
const double nth_percentile = 0.90;
std::vector<double> results; // ms
results.reserve(num_iters);