Commit Graph

3743 Commits

Author SHA1 Message Date
Yann Collet
ef0ff7fe7f zstdmt: removed margin for improved memory usage 2017-07-11 08:54:29 -07:00
Yann Collet
4616fad18b improved ZSTDMT_compress() memory usage
does not need the input buffer for streaming operations

also : reduced a few tests time length
2017-07-10 17:16:41 -07:00
Yann Collet
670b1fc547 optimized memory usage for ZSTDMT_compress()
Previously, each job would reserve a CCtx right before being posted.
The CCtx would be "part of the job description",
and only released when the job is completed (aka flushed).
For ZSTDMT_compress(), which creates all jobs first and only join at the end,
that meant one CCtx per job.
The nb of jobs used to be == nb of threads,
but since latest modification,
which reduces the size of jobs in order to spread the load of difficult areas,
it also increases the nb of jobs for large sources / small compression level.
This resulted in many more CCtx being created.

In this new version, CCtx are reserved within the worker thread.
It guaranteea there cannot be more CCtx reserved than workers (<= nb threads).

To do that, it required to make the CCtx Pool multi-threading-safe :
it can now be called from multiple threads in parallel.
2017-07-10 16:30:55 -07:00
Yann Collet
3510efb02d fix : custom allocator correctly propagated to child contexts 2017-07-10 14:21:40 -07:00
Yann Collet
ee3423d709 extended fuzzer MT memory tests 2017-07-10 14:09:16 -07:00
Yann Collet
88da8f1816 fix : propagate custom allocator to ZSTDMT though ZSTD_CCtx_setParameter()
also : compile fuzzer with MT enabled
2017-07-10 14:02:33 -07:00
Yann Collet
f9524cf366 added --memtest to fuzzer 2017-07-10 13:48:41 -07:00
Yann Collet
e32fb0c1fe added ZSTD_sizeof_CCtx() test 2017-07-10 12:29:57 -07:00
Yann Collet
40156a4967 bumped version nb to v1.3.1 2017-07-08 04:55:09 -07:00
Yann Collet
0f4fc6c20a fixed several conversion warnings 2017-07-07 17:13:12 -07:00
Yann Collet
ed0243a63c removed zbufftest from list of all tests 2017-07-07 16:16:14 -07:00
Yann Collet
9bde061a0b fixed minor Visual compilation limitation 2017-07-07 16:14:17 -07:00
Yann Collet
593d517ebf fixed minor cast warning 2017-07-07 16:09:47 -07:00
Yann Collet
842644e42e target gpptest uses CXX environment variable 2017-07-07 15:55:41 -07:00
Yann Collet
d4dcace34b Merge branch 'dev' of github.com:facebook/zstd into dev 2017-07-07 15:53:20 -07:00
Yann Collet
ead4dd48f6 new field frameHeader.headerSize 2017-07-07 15:51:24 -07:00
Yann Collet
46396523c0 ZSTD_getFrameHeader : control of windowSize limits is delegated to caller
Extracting frame header is a separate operation.
It's now possible to get frame header, whatever the window size set in it.
2017-07-07 15:32:12 -07:00
Yann Collet
990449b89d new field : ZSTD_frameHeader.frameType
Makes frame type (zstd,skippable) detection more straighforward.
ZSTD_getFrameHeader set frameContentSize=ZSTD_CONTENTSIZE_UNKNOWN to mean "field not present"
2017-07-07 15:21:35 -07:00
Yann Collet
e622330a3b extended frameHeader.windowSize to unsigned long long 2017-07-07 14:19:01 -07:00
Yann Collet
49d3d4f484 Merge pull request #751 from ivuk/fix-typo
Fix typos in README.md
2017-07-06 12:06:43 -07:00
Igor Vuk
e6e25c9507 Fix typos in README.md 2017-07-06 20:43:14 +02:00
Yann Collet
7758ed8458 fixed fullbench, part 2 2017-07-06 02:48:00 -07:00
Yann Collet
9b2c1acfc0 fixed fullbench 2017-07-06 02:22:57 -07:00
Yann Collet
f04deff4fc fixed #718, reported by @GregSlazinski, solution suggested by @mcmilk 2017-07-06 01:42:46 -07:00
Yann Collet
d75c0e71c4 minor code refactoring 2017-07-05 18:10:07 -07:00
Yann Collet
3345a91964 cli : use new advanced API by default 2017-07-05 17:34:15 -07:00
Yann Collet
49af41820d clarified status of zstdmt_compress.h API 2017-07-05 17:21:13 -07:00
Yann Collet
27e883371d fixed wrong assert() condition
A single job created by ZSTDMT_compress() can be < 256KB
if data to compress is < 256 KB
(in which case it is delegated to single thread mode)
2017-07-04 19:33:16 -07:00
Yann Collet
2cb9774f5e more precise estimation of amount to flush at end of stream (single thread mode)
also : can use DEBUGLEVEL variable in /tests
2017-07-04 12:39:26 -07:00
Yann Collet
6383372dec fixed : 0-copy in NULL is UB 2017-07-04 10:36:41 -07:00
Yann Collet
5051dd39ca Merge pull request #743 from facebook/fullbench
compress_generic() automatic optimization opportunities
2017-07-03 21:26:38 -07:00
Yann Collet
9ceea19dc1 Merge pull request #747 from facebook/noExit
No exit() on decoding errors
2017-07-03 18:15:13 -07:00
Yann Collet
2de2396a36 refactor ZSTDMT_compress() 2017-07-03 16:23:36 -07:00
Yann Collet
2084b041f4 fixed comments 2017-07-03 15:52:19 -07:00
Yann Collet
5a77361595 fixed wrong function name in comment 2017-07-03 15:21:24 -07:00
Yann Collet
95c4a6e2c8 Merge pull request #745 from terrelln/libfuzzer
[fuzz] Add libFuzzer targets
2017-07-03 15:15:20 -07:00
Yann Collet
b8280fe929 minor code refactoring 2017-07-03 15:14:55 -07:00
Yann Collet
368b974387 fixed gz error reporting 2017-07-03 13:47:46 -07:00
Yann Collet
c9f21c8a71 gzip : only display inflateEnd error when there is no error before 2017-07-03 13:45:09 -07:00
Yann Collet
7b68d7eb63 Merge pull request #746 from terrelln/dev
[libzstd] Fix memcpy() on potential NULL source
2017-07-03 13:31:27 -07:00
Yann Collet
6c35112d08 gzip decoding does no longer exit() on invalid input 2017-07-03 13:24:50 -07:00
Nick Terrell
bea0f0cfa0 [fuzz] Move from fuzz/ to tests/fuzz/ 2017-07-03 12:40:12 -07:00
Nick Terrell
c80fc50a8d [libzstd] Fix memcpy() on potential NULL source
* `ZSTD_decompressStream_generic()` `ip` may be `NULL` for one of the calls
  to `memcpy()`
* Assert the source is not `NULL` for calls to `memcpy()` where I believe
  the source should not be `NULL`.
2017-07-03 12:31:55 -07:00
Yann Collet
e97ff3b54a decoding malformed lz4 frames does no longer exit() 2017-07-03 11:27:29 -07:00
Yann Collet
c34185df13 fileio : decoding malformed lzma frame does no longer exit()
makes it possible to continue decoding file list
2017-07-03 10:27:16 -07:00
Yann Collet
2485f88bf8 fixed legacy version init bug 2017-07-01 09:09:34 -07:00
cyan4973
4b26306cb8 blindfix : fullbench's one-time leak, detected by valgrind 2017-07-01 08:03:59 -07:00
cyan4973
c07e43c2b5 added --show-leak-kind=all to valgrind tests 2017-07-01 07:05:11 -07:00
cyan4973
21fdf97e00 Merge branch 'dev' into fullbench 2017-07-01 07:01:08 -07:00
cyan4973
1bafe393e4 fix : ZSTDMT_compressStream_generic() can accept NULL input
also : converge implementations towards new version of ZSTDMT_compressStream_generic()
2017-07-01 06:59:24 -07:00