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136 Commits

Author SHA1 Message Date
Brotli
39bcecf455 Fix hasher resolution for long windows. 
PiperOrigin-RevId: 652545288
 2024-07-15 11:27:36 -07:00
Brotli
a528bce9f6 Hoist the static bounds check out of the combined if check. 
PiperOrigin-RevId: 639054702
 2024-05-31 09:11:23 -07:00
Brotli
fe754f3459 Use a hash table header and SIMD to speed up hash table operations (similar to [Swiss Tables](https://abseil.io/about/design/swisstables)). 
PiperOrigin-RevId: 638686412
 2024-05-30 09:51:43 -07:00
Brotli
04388304a6 Use a hash table header and SIMD to speed up hash table operations (similar to [Swiss Tables](https://abseil.io/about/design/swisstables)). 
PiperOrigin-RevId: 632238409
 2024-05-09 12:42:42 -07:00
Brotli
bb809ac908 Use a hash table header and SIMD to speed up hash table operations (similar to [Swiss Tables](https://abseil.io/about/design/swisstables)). 
PiperOrigin-RevId: 631982664
 2024-05-08 17:59:58 -07:00
Brotli
d01a4caaa8 Internal change 
PiperOrigin-RevId: 626960053
 2024-04-22 02:07:25 -07:00
Brotli
1b3a5ccb6e Prefetch the backreference hashtable bucket. 
Place the prefetch before the last distance checks, to give the prefetch enough time to work.

PiperOrigin-RevId: 626228820
 2024-04-18 20:00:02 -07:00
Evgenii Kliuchnikov
443af10a80 add (assumption) check 
PiperOrigin-RevId: 625632989
 2024-04-17 04:10:04 -07:00
Evgenii Kliuchnikov
c1c76e993f Don't check cur_ix_masked against ring_buffer_mask. 
`cur_ix_masked` isn't changing from iteration to iteration, and `max_length` ensures we never find a match long enough to walk off the ring buffer.

PiperOrigin-RevId: 624701948
 2024-04-14 06:36:02 -07:00
Brotli
709c4672d4 Fix minor syntax issues. 
Missing semicolons.
Move checks below variable declarations for c89.

PiperOrigin-RevId: 624199887
 2024-04-12 09:16:00 -07:00
Brotli
a76d96e730 Don't check cur_ix_masked against ring_buffer_mask. 
`cur_ix_masked` isn't changing from iteration to iteration, and `max_length` ensures we never find a match long enough to walk off the ring buffer.

PiperOrigin-RevId: 624162764
 2024-04-12 06:50:51 -07:00
Brotli
a813a6a1e4 Update the H5 hasher to use the H6's FN(STORE). 
PiperOrigin-RevId: 623885589
 2024-04-11 11:23:47 -07:00
Brotli
f964a1e8ac Internal change 
PiperOrigin-RevId: 623073126
 2024-04-09 00:19:11 -07:00
Brotli
cdbe7fc739 Internal change 
PiperOrigin-RevId: 622802698
 2024-04-08 04:30:44 -07:00
Brotli
9351fa7ffb Compare 4 bytes when checking if a longer match is possible. 
Loading and comparing 4 bytes is ~as fast as 1 byte, but allows us to avoid more full match length calculation.

PiperOrigin-RevId: 617556847
 2024-03-20 10:30:00 -07:00
Brotli
9717649c31 Use BROTLI_MAX_STATIC_CONTEXTS instead of magic constants in encode.c 
PiperOrigin-RevId: 615341475
 2024-03-13 02:47:52 -07:00
Evgenii Kliuchnikov
d5e697b3c7 remove dependency on os-specific defines 
PiperOrigin-RevId: 600449944
 2024-01-22 07:24:41 -08:00
Evgenii Kliuchnikov
3396c67fea add brcat alias + flag to decompress concatenated streams 
PiperOrigin-RevId: 598652401
 2024-01-15 12:49:56 -08:00
Evgenii Kliuchnikov
033940f97c add comment (fingerprint) CLI feature 
PiperOrigin-RevId: 597489910
 2024-01-11 02:04:37 -08:00
Evgenii Kliuchnikov
6b6adb7ae8 fix build for Microsoft-designed ARM64 ABI 
PiperOrigin-RevId: 595334901
 2024-01-03 02:01:23 -08:00
Evgenii Kliuchnikov
9b83be233e fix wording 
PiperOrigin-RevId: 576788685
 2023-10-26 02:03:20 -07:00
Evgenii Kliuchnikov
e7313b0c4e tune memory manager for BROTLI_EXPERIMENTAL 
PiperOrigin-RevId: 560703386
 2023-08-28 07:20:49 -07:00
Evgenii Kliuchnikov
c1bd196833 comb HAVE_UTIMENSAT definition 
PiperOrigin-RevId: 560011681
 2023-08-25 01:07:12 -07:00
Evgenii Kliuchnikov
2a5a088b03 more tuning for BROTLI_EXPERIMENTAL + clean-on-oom 
PiperOrigin-RevId: 558771745
 2023-08-21 06:36:24 -07:00
Evgenii Kliuchnikov
feb6d8bc80 prepare for 1.1.0rc 
PiperOrigin-RevId: 558736892
 2023-08-21 03:35:01 -07:00
Evgenii Kliuchnikov
3ebb2d30ab Move serialized dictionary feature behind the flag. 
BROTLI_SHARED_DICTIONARY_SERIALIZED enum value is a part of API,
but it should not be used (will cause failures).
Changing how serialized dictionaries work won't be considered as an API change, until this feature is enabled.
Enabling this feature in the future will be considered as a "compatible" change.

PiperOrigin-RevId: 558091676
 2023-08-18 02:55:33 -07:00
Evgenii Kliuchnikov
0f2157cc5e Update comment; fixes #1061 
PiperOrigin-RevId: 557501089
 2023-08-16 08:55:14 -07:00
Evgenii Kliuchnikov
8c7923045a reduce amount of padding in decoder structs 
PiperOrigin-RevId: 555101669
 2023-08-09 02:48:53 -07:00
Evgenii Kliuchnikov
a560089843 speedup q5-9 on large files 
PiperOrigin-RevId: 553440457
 2023-08-03 04:58:52 -07:00
Evgenii Kliuchnikov
117b68b745 speedup encoder on q5-9 / 1MB+ files 
PiperOrigin-RevId: 553087469
 2023-08-02 03:05:57 -07:00
Evgenii Kliuchnikov
d639a81d35 add option to delete files that are not "compressed" 
PiperOrigin-RevId: 552472135
 2023-07-31 07:19:14 -07:00
Evgenii Kliuchnikov
27a9a80992 simplify CMake build 
PiperOrigin-RevId: 552238545
 2023-07-30 03:45:11 -07:00
Evgenii Kliuchnikov
779a49bfd6 bake in runtime constant 
PiperOrigin-RevId: 549590409
 2023-07-20 04:18:46 -07:00
Evgenii Kliuchnikov
c3dc7d039c more careful bit-reader interruption 
PiperOrigin-RevId: 548661043
 2023-07-17 05:39:13 -07:00
Evgenii Kliuchnikov
2d0947f1ea insert missing fuzz/WORKSPACE content 
PiperOrigin-RevId: 546848285
 2023-07-10 07:31:03 -07:00
Evgenii Kliuchnikov
2e6164d7b0 verbose error report in CLI 
PiperOrigin-RevId: 546833411
 2023-07-10 11:43:42 +00:00
Evgenii Kliuchnikov
70e7b1ae4a simplify building of fuzzer 
PiperOrigin-RevId: 545950923
 2023-07-10 11:43:27 +00:00
Evgenii Kliuchnikov
6ee96e291d Internal changes 
PiperOrigin-RevId: 545262005
 2023-07-04 07:55:25 +00:00
Evgenii Kliuchnikov
e252f1fc15 0.5-2.9% decoder speedup 
PiperOrigin-RevId: 529412095
 2023-07-04 07:55:16 +00:00
Evgenii Kliuchnikov
e1f5788fb0 Fix internal buffer reset 
PiperOrigin-RevId: 524301253
 2023-07-04 07:54:41 +00:00
Evgenii Kliuchnikov
e5dba91c38 Add BROTLI_ENABLE_DUMP build option 
PiperOrigin-RevId: 520047051
 2023-07-04 07:54:07 +00:00
Evgenii Kliuchnikov
f29c44ed38 Avoid nullptr with zero offset 
PiperOrigin-RevId: 516808122
 2023-07-04 07:53:51 +00:00
Evgenii Kliuchnikov
cb1ced3a25 speedup decoder by 0.2%-1.2% 
PiperOrigin-RevId: 516754779
 2023-07-04 07:53:42 +00:00
Evgenii Kliuchnikov
57c36a4f27 1.2-2.3% decoder speedup 
PiperOrigin-RevId: 513524040
 2023-07-04 07:53:33 +00:00
Evgenii Kliuchnikov
6db17c87f5 0.4-1.5% decoder speedup 
PiperOrigin-RevId: 513248503
 2023-07-04 07:53:20 +00:00
Catena cyber
bfa15d4046
fuzz: make target resist allocation failures (#1023) 
So that fuzzing can go on with simulated allocation failures
 2023-06-22 10:27:21 +02:00
Zhang Na
1d8452b783
Add loongarch64 support (#1022) 2023-06-20 09:44:23 +02:00
Evgenii Kliuchnikov
b2c86d1871 Decoder API: added API to attach metadata blocks callbacks 
PiperOrigin-RevId: 505734532
 2023-01-31 16:03:16 +00:00
Evgenii Kliuchnikov
04f294b18a Fix emitting 1-byte long metadata block 
PiperOrigin-RevId: 505484299
 2023-01-30 09:10:28 +00:00
Brotli
1e61e972fb speed up encoding by ~5 % 
PiperOrigin-RevId: 505061835
 2023-01-30 09:10:14 +00:00