walkero
/
harfbuzz
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[benchmark-set] Split SetLookup into an ordered and random version

This commit is contained in:
Behdad Esfahbod 2022-04-29 13:37:46 -06:00
parent ae9c7b861b
commit 5f43ce825a
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
perf/benchmark-set.cc
View File

@ -74,7 +74,7 @@ BENCHMARK(BM_SetOrderedInsert_1000)
{2, 512}}); // Density {2, 512}}); // Density
/* Single value lookup on sets of various sizes. */ /* Single value lookup on sets of various sizes. */
static void BM_SetLookup(benchmark::State& state) { static void BM_SetLookup(benchmark::State& state, unsigned interval) {
unsigned set_size = state.range(0); unsigned set_size = state.range(0);
unsigned max_value = state.range(0) * state.range(1); unsigned max_value = state.range(0) * state.range(1);
@ -85,12 +85,16 @@ static void BM_SetLookup(benchmark::State& state) {
auto needle = max_value / 2; auto needle = max_value / 2;
for (auto _ : state) { for (auto _ : state) {
benchmark::DoNotOptimize( benchmark::DoNotOptimize(
hb_set_has (original, needle++ % max_value)); hb_set_has (original, (needle += interval) % max_value));
} }
hb_set_destroy(original); hb_set_destroy(original);
} }
BENCHMARK(BM_SetLookup) BENCHMARK_CAPTURE(BM_SetLookup, ordered, 3)
->Ranges(
{{1 << 10, 1 << 16}, // Set Size
{2, 512}}); // Density
BENCHMARK_CAPTURE(BM_SetLookup, random, 12345)
->Ranges( ->Ranges(
{{1 << 10, 1 << 16}, // Set Size {{1 << 10, 1 << 16}, // Set Size
{2, 512}}); // Density {2, 512}}); // Density