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[perf] benchmark subsetting via glyphs.

This commit is contained in:
Garret Rieger 2022-05-04 22:16:03 +00:00 committed by Behdad Esfahbod
parent 6829dd30ad
commit 6212856ce8
1 changed files with 78 additions and 0 deletions
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78
perf/benchmark-subset.cc
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@ -17,6 +17,16 @@ void AddCodepoints(const hb_set_t* codepoints_in_font,
}
}
void AddGlyphs(unsigned num_glyphs_in_font,
unsigned subset_size,
hb_subset_input_t* input)
{
for (unsigned i = 0; i < subset_size && i < num_glyphs_in_font; i++) {
// TODO(garretrieger): pick randomly.
hb_set_add (hb_subset_input_glyph_set (input), i);
}
}
/* benchmark for subsetting a font */
static void BM_subset_codepoints (benchmark::State &state,
const char *font_path)
@ -86,4 +96,72 @@ BENCHMARK_CAPTURE (BM_subset_codepoints, subset_notocjk,
->Range(10, 100000);
#endif
static void BM_subset_glyphs (benchmark::State &state,
const char *font_path)
{
unsigned subset_size = state.range(0);
hb_face_t *face;
{
hb_blob_t *blob = hb_blob_create_from_file_or_fail (font_path);
assert (blob);
face = hb_face_create (blob, 0);
hb_blob_destroy (blob);
}
hb_subset_input_t* input = hb_subset_input_create_or_fail ();
assert (input);
{
unsigned num_glyphs = hb_face_get_glyph_count (face);
AddGlyphs(num_glyphs, subset_size, input);
}
for (auto _ : state)
{
hb_face_t* subset = hb_subset_or_fail (face, input);
assert (subset);
hb_face_destroy (subset);
}
hb_subset_input_destroy (input);
hb_face_destroy (face);
}
BENCHMARK_CAPTURE (BM_subset_glyphs, subset_roboto,
"perf/fonts/Roboto-Regular.ttf")
->Unit(benchmark::kMillisecond)
->Range(10, 4000);
BENCHMARK_CAPTURE (BM_subset_glyphs, subset_amiri,
"perf/fonts/Amiri-Regular.ttf")
->Unit(benchmark::kMillisecond)
->Range(10, 4000);
BENCHMARK_CAPTURE (BM_subset_glyphs, subset_noto_nastaliq_urdu,
"perf/fonts/NotoNastaliqUrdu-Regular.ttf")
->Unit(benchmark::kMillisecond)
->Range(10, 1000);
BENCHMARK_CAPTURE (BM_subset_glyphs, subset_noto_devangari,
"perf/fonts/NotoSansDevanagari-Regular.ttf")
->Unit(benchmark::kMillisecond)
->Range(10, 1000);
BENCHMARK_CAPTURE (BM_subset_glyphs, subset_mplus1p,
"test/subset/data/fonts/Mplus1p-Regular.ttf")
->Unit(benchmark::kMillisecond)
->Range(10, 10000);
#if 0
BENCHMARK_CAPTURE (BM_subset_glyphs, subset_notocjk,
"perf/fonts/NotoSansCJKsc-VF.ttf")
->Unit(benchmark::kMillisecond)
->Range(10, 100000);
#endif
BENCHMARK_MAIN();