Tag: Branch: Tree: d82c7623c5

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Commit Graph

16428 Commits (d82c7623c5c146abeb4cea6e5dc8e6318a139a24)

 

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Author	SHA1	Message	Date
Behdad Esfahbod	6a3fcc64f3	[map] Don't call hash() if map is empty	1 year ago
Behdad Esfahbod	735d249639	[map] Remove an unlikely ... Empty maps are common in some subsetting operations.	1 year ago
Behdad Esfahbod	ca27925d55	Use hb_codepoint_pair_t in more places	1 year ago
Behdad Esfahbod	841e86fd98	[subset/hmtx] Further speedup!	1 year ago
Behdad Esfahbod	de729ec105	[meta] Return reference from reference-wrapper	1 year ago
Behdad Esfahbod	c7493efeaf	[subset/loca] Micro-optimize	1 year ago
Behdad Esfahbod	13a4c7b3d3	[subset/hmtx] Comment	1 year ago
Behdad Esfahbod	4da2996fe2	[doc] Fix	1 year ago
Behdad Esfahbod	c3e7f45166	Add HB_CODEPOINT_INVALID ... Fixes https://github.com/harfbuzz/harfbuzz/issues/4262	1 year ago
Behdad Esfahbod	efefec13cc	[subset/glyf] Remove unneeded codepath	1 year ago
Behdad Esfahbod	ac1f5ca0d9	[subset/loca] Micro-optimize	1 year ago
Behdad Esfahbod	6eae932566	[subset/loca] Reduce a vector allocation	1 year ago
Behdad Esfahbod	cd249d2364	[subset/hmtx] Micro-optimize	1 year ago
Behdad Esfahbod	ec8965e432	[subset/glyf] Don't clear loca allocation	1 year ago
Behdad Esfahbod	916629d182	[subset/hmtx] Don't clear allocation	1 year ago
Behdad Esfahbod	24b069cd53	[subset] Pre-alloc a few maps	1 year ago
Behdad Esfahbod	7319d0d712	[subset-plan] Add a couple of map pre-allocations ... Approximate...	1 year ago
Behdad Esfahbod	76904b0423	[subset-plan] Simplify / speedup planning glyphset	1 year ago
Behdad Esfahbod	965ce7bba4	[subset-plan] Speed up planning new_to_old_gid_list	1 year ago
Behdad Esfahbod	b67e464b1c	[subset/retaingid] Regain perf lost ... In 0f12fd5a66	1 year ago
Behdad Esfahbod	0f12fd5a66	[subset/glyf] Fix for non-monotonic glyphmap ... Slows things down again, but is correct. Still a good win combined with the previous changes.	1 year ago
Behdad Esfahbod	66ce902c3a	[glyf] Reduce allocation again	1 year ago
Behdad Esfahbod	0e0110e7f2	[glyf] Avoid a SubsetGlyph copy ... Unfortunately hb_second() always does a copy...	1 year ago
Behdad Esfahbod	33ea8b5e5d	[subset/glyf] Don't allocate empty SubsetGlyf's ... Shows 33% speedup on Mplus/retaingid/10 benchmark: Comparing before to after Benchmark Time CPU Time Old Time New CPU Old CPU New -------------------------------------------------------------------------------------------------------------------------------------------------------- BM_subset/subset_glyphs/Mplus1p-Regular.ttf/retaingids/10 -0.3296 -0.3294 0 0 0 0	1 year ago
Garret Rieger	ad872e2313	[subset] Optimize hmtx/vmtx serialization. ... Make serializer allocation up front to avoid bounds checking overhead for each metric. Benchmarks: BM_subset/subset_glyphs/Mplus1p-Regular.ttf/retaingids/10_median -0.1005 -0.1005 0 0 0 0 BM_subset/subset_glyphs/Mplus1p-Regular.ttf/retaingids/64_median -0.0693 -0.0692 0 0 0 0 BM_subset/subset_glyphs/Mplus1p-Regular.ttf/retaingids/512_median -0.0294 -0.0293 1 1 1 1 BM_subset/subset_glyphs/Mplus1p-Regular.ttf/retaingids/4096_median -0.0033 -0.0032 3 3 3 3 BM_subset/subset_glyphs/Mplus1p-Regular.ttf/retaingids/10000_median +0.0170 +0.0171 7 7 7 7	1 year ago
Behdad Esfahbod	c6368e014d	[map] Return const reference from operator() ... Like we do in operator[].	1 year ago
Behdad Esfahbod	b04ca1c188	Revert "[subset/glyf] Exact allocation" ... This reverts commit a830f085c8. Weirdly enough in a benchmark I'm running I see this show some slowdown. Makes zero sense.	1 year ago
Behdad Esfahbod	a830f085c8	[subset/glyf] Exact allocation	1 year ago
Behdad Esfahbod	ff0b85cf57	[subset/glyf] Empty .notdef only if old-gid was also 0 ... Otherwise it wasn't a .notdef, even if new-gid is 0.	1 year ago
Behdad Esfahbod	65a7d8c6f0	[glyf] Empty glyphs need no padding	1 year ago
Behdad Esfahbod	73c18d1d42	[glyf] Micro-optimize padded_offsets	1 year ago
Behdad Esfahbod	88d8a6d69f	[BEInt] Use packed-int trick for writing as well	1 year ago
Behdad Esfahbod	4d853b8ba6	[subset/regaingid/glyf] Add a fastpath for empty glyphs ... Mplus benchmark: Comparing before to after Benchmark Time CPU Time Old Time New CPU Old CPU New ----------------------------------------------------------------------------------------------------------------------------------------------------------- BM_subset/subset_glyphs/Mplus1p-Regular.ttf/retaingids/10 -0.1764 -0.1771 0 0 0 0 BM_subset/subset_glyphs/Mplus1p-Regular.ttf/retaingids/64 -0.1394 -0.1394 0 0 0 0 BM_subset/subset_glyphs/Mplus1p-Regular.ttf/retaingids/512 -0.0644 -0.0645 0 0 0 0 BM_subset/subset_glyphs/Mplus1p-Regular.ttf/retaingids/4096 +0.0132 +0.0131 1 1 1 1 BM_subset/subset_glyphs/Mplus1p-Regular.ttf/retaingids/10000 -0.0029 -0.0034 3 3 3 3 BM_subset/subset_glyphs/Mplus1p-Regular.ttf/10 +0.0364 +0.0362 0 0 0 0 BM_subset/subset_glyphs/Mplus1p-Regular.ttf/64 +0.0346 +0.0343 0 0 0 0 BM_subset/subset_glyphs/Mplus1p-Regular.ttf/512 +0.0271 +0.0268 0 0 0 0 BM_subset/subset_glyphs/Mplus1p-Regular.ttf/4096 +0.0193 +0.0193 1 1 1 1 BM_subset/subset_glyphs/Mplus1p-Regular.ttf/10000 -0.0240 -0.0243 2 2 2 2 OVERALL_GEOMEAN -0.0305 -0.0307 0 0 0 0	1 year ago
Behdad Esfahbod	6ec7629fba	[subset/glyf] Add a const	1 year ago
Behdad Esfahbod	9f54ab922f	[subset-plan] Keep a reverse-gid vector ... To speed up iteration.	1 year ago
Garret Rieger	6b0d386797	[subset] in subset benchmarks switch nohinting with retaingids. ... retain gids is a more interesting case than no hinting for performance.	1 year ago
Qunxin Liu	1ae99d1a10	bug fix	1 year ago
Behdad Esfahbod	aa7dd70a86	[hmtx] Reduce map usage slightly	1 year ago
Garret Rieger	f41c5ec961	[map] update map benchmark to also test lookups that hit.	1 year ago
Qunxin Liu	4acf6a82bf	[instancer-solver] port solver fix from fonttools ... See https://github.com/fonttools/fonttools/issues/3139	1 year ago
Garret Rieger	f3b4d35f36	[subset] Fix fuzzer crash. ... https://oss-fuzz.com/testcase-detail/6608005089853440	1 year ago
Garret Rieger	ff326fbe8f	[repacker] check the result of add_buffer() in other places where it's called.	1 year ago
Behdad Esfahbod	66a84355ab	[hash] Use unsigned types ... Hopefully ubsan wouldn't complain about overflows now.	1 year ago
Behdad Esfahbod	4a93576bca	Revert "[map] Speedup for int types" ... This reverts commit c1b75f5ff0. I was seeing very long chains (140) and a 17% slowdown in BM_subset/subset_codepoints/RobotoFlex-Variable.ttf/512 Bummer.	1 year ago
Behdad Esfahbod	c1b75f5ff0	[map] Speedup for int types ... Since our int hash is now good, we don't need the modulo prime here, so forgo it. Major speedup: Comparing before to after Benchmark Time CPU Time Old Time New CPU Old CPU New ------------------------------------------------------------------------------------------------------------------- BM_MapInsert/16 -0.4136 -0.4137 6 4 6 4 BM_MapInsert/64 -0.4442 -0.4441 6 3 6 3 BM_MapInsert/512 -0.5382 -0.5383 8 4 8 4 BM_MapInsert/4096 -0.4160 -0.4162 8 5 8 5 BM_MapInsert/32768 -0.3256 -0.3258 12 8 12 8 BM_MapInsert/262144 -0.1723 -0.1727 11 10 11 9 BM_MapInsert/1048576 -0.2310 -0.2309 28 22 28 22 BM_MapLookup/16 -0.0247 -0.0247 3 3 3 3 BM_MapLookup/64 -0.1039 -0.1038 3 3 3 3 BM_MapLookup/512 -0.1076 -0.1079 4 3 4 3 BM_MapLookup/4096 -0.3729 -0.3732 9 6 9 6 BM_MapLookup/32768 +0.2467 +0.2468 9 12 9 12 BM_MapLookup/262144 -0.1862 -0.1868 14 11 14 11 BM_MapLookup/1048576 +0.1159 +0.1160 15 17 15 17 OVERALL_GEOMEAN -0.2414 -0.2416 0 0 0 0	1 year ago
Behdad Esfahbod	7f111787e4	[benchmark-map] Remove overhead	1 year ago
Behdad Esfahbod	5666807328	[benchmark-map] Improve Insert benchmark ... Previously it was enlarging the map depending on whatever number of runs the benchmark-runner decided to run the loop. That wasn't very useful...	1 year ago
Behdad Esfahbod	00900f761f	[hash] Enable better hash for integers ... https://github.com/harfbuzz/harfbuzz/pull/4228#issuecomment-1565079537	1 year ago
Garret Rieger	20c564bc76	[repacker] Fix fuzzer memory leak. ... https://oss-fuzz.com/testcase-detail/6419865171525632	1 year ago
Behdad Esfahbod	5abe713203	[map] Resize map on long chain probes	1 year ago