kc3-lang/harfbuzz

2022-05-17T15:51:41

[ot-tags] Further speed up language bsearch() Using an integer tag to bsearch, instead of string. Part of: https://github.com/harfbuzz/harfbuzz/issues/3591 Before: ------------------------------------------------------------------------------------------------ Benchmark Time CPU Iterations ------------------------------------------------------------------------------------------------ BM_hb_ot_tags_from_script_and_language/COMMON abcd_XY 8.11 ns 8.08 ns 87067795 BM_hb_ot_tags_from_script_and_language/COMMON zh_CN 53.6 ns 53.5 ns 13042418 BM_hb_ot_tags_from_script_and_language/COMMON en_US 24.2 ns 24.1 ns 29052731 BM_hb_ot_tags_from_script_and_language/LATIN en_US 24.4 ns 24.3 ns 28736769 BM_hb_ot_tags_from_script_and_language/COMMON none 4.43 ns 4.41 ns 160370413 BM_hb_ot_tags_from_script_and_language/LATIN none 4.35 ns 4.34 ns 160578191 After: ------------------------------------------------------------------------------------------------ Benchmark Time CPU Iterations ------------------------------------------------------------------------------------------------ BM_hb_ot_tags_from_script_and_language/COMMON abcd_XY 7.97 ns 7.95 ns 85208363 BM_hb_ot_tags_from_script_and_language/COMMON zh_CN 41.7 ns 41.6 ns 16945817 BM_hb_ot_tags_from_script_and_language/COMMON en_US 16.1 ns 16.0 ns 43613523 BM_hb_ot_tags_from_script_and_language/LATIN en_US 16.5 ns 16.4 ns 42568107 BM_hb_ot_tags_from_script_and_language/COMMON none 4.30 ns 4.29 ns 164055469 BM_hb_ot_tags_from_script_and_language/LATIN none 4.29 ns 4.27 ns 163793591