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4 years agoImplement ZSTD_updateSequenceRange
senhuang42 [Wed, 28 Oct 2020 15:28:12 +0000 (11:28 -0400)] 
Implement ZSTD_updateSequenceRange

4 years agoModify SequenceRange to have posInSequence
senhuang42 [Wed, 28 Oct 2020 15:07:36 +0000 (11:07 -0400)] 
Modify SequenceRange to have posInSequence

4 years agoAdd function definition for sequenceRange updater
senhuang42 [Wed, 28 Oct 2020 15:04:44 +0000 (11:04 -0400)] 
Add function definition for sequenceRange updater

4 years agoAdd ZSTD_SequenceRange to count ranges in array of ZSTD_Sequence
senhuang42 [Wed, 28 Oct 2020 15:04:18 +0000 (11:04 -0400)] 
Add ZSTD_SequenceRange to count ranges in array of ZSTD_Sequence

4 years agoAdd support for repcodes
senhuang42 [Tue, 27 Oct 2020 15:02:58 +0000 (11:02 -0400)] 
Add support for repcodes

4 years agoCode cleanup, add debuglog statments
senhuang42 [Mon, 26 Oct 2020 16:33:58 +0000 (12:33 -0400)] 
Code cleanup, add debuglog statments

4 years agoImplement first pass at compressSequences()
senhuang42 [Wed, 30 Sep 2020 21:18:20 +0000 (17:18 -0400)] 
Implement first pass at compressSequences()

4 years agoAdd initial function prototype for ZSTD_compressSequences_ext (to be renamed later)
senhuang42 [Fri, 13 Nov 2020 14:55:05 +0000 (09:55 -0500)] 
Add initial function prototype for ZSTD_compressSequences_ext (to be renamed later)

4 years agoMerge pull request #2393 from senhuang42/fix_sequence_extractions_api
sen [Sun, 15 Nov 2020 23:29:52 +0000 (18:29 -0500)] 
Merge pull request #2393 from senhuang42/fix_sequence_extractions_api

Improve repcode handling in sequence extraction API

4 years agoReduce number of memcpy() calls 2393/head
senhuang42 [Fri, 13 Nov 2020 14:41:44 +0000 (09:41 -0500)] 
Reduce number of memcpy() calls

4 years agoUse existing repcode update function to implement updates
senhuang42 [Thu, 12 Nov 2020 21:38:23 +0000 (16:38 -0500)] 
Use existing repcode update function to implement updates

4 years agoAdd in proper block repcode histories
senhuang42 [Thu, 12 Nov 2020 19:37:47 +0000 (14:37 -0500)] 
Add in proper block repcode histories

4 years agoLet block reps persist
senhuang42 [Thu, 12 Nov 2020 17:22:58 +0000 (12:22 -0500)] 
Let block reps persist

4 years agoFix incorrect repcode setting
senhuang42 [Thu, 12 Nov 2020 16:57:01 +0000 (11:57 -0500)] 
Fix incorrect repcode setting

4 years agoImprove unit test
senhuang42 [Thu, 12 Nov 2020 16:09:01 +0000 (11:09 -0500)] 
Improve unit test

4 years agoOverhaul repcode handling logic
senhuang42 [Thu, 12 Nov 2020 15:59:35 +0000 (10:59 -0500)] 
Overhaul repcode handling logic

4 years agoMerge pull request #2388 from facebook/fix2386
Yann Collet [Fri, 6 Nov 2020 19:38:08 +0000 (11:38 -0800)] 
Merge pull request #2388 from facebook/fix2386

fix incorrect assert

4 years agoMerge pull request #2381 from senhuang42/expand_sequence_extraction_api
sen [Fri, 6 Nov 2020 18:00:31 +0000 (13:00 -0500)] 
Merge pull request #2381 from senhuang42/expand_sequence_extraction_api

Add enum to define ZSTD_Sequence type and update sequence extraction API

4 years agofix multiple minor conversion warnings 2388/head
Yann Collet [Fri, 6 Nov 2020 17:57:05 +0000 (09:57 -0800)] 
fix multiple minor conversion warnings

unrelated to #2386, just cleaning up while I'm updating this file ...

4 years agofix incorrect assert
Yann Collet [Fri, 6 Nov 2020 17:44:04 +0000 (09:44 -0800)] 
fix incorrect assert

fix #2386, reported by @Neumann-A

4 years agoUpdate unit tests 2381/head
senhuang42 [Fri, 6 Nov 2020 15:56:56 +0000 (10:56 -0500)] 
Update unit tests

4 years agoImplement mergeGeneratedSequences()
senhuang42 [Fri, 6 Nov 2020 15:55:46 +0000 (10:55 -0500)] 
Implement mergeGeneratedSequences()

4 years agoRename getSequences() to generateSequences()
senhuang42 [Fri, 6 Nov 2020 15:53:22 +0000 (10:53 -0500)] 
Rename getSequences() to generateSequences()

4 years agoAdd new mergeGeneratedSequences() function
senhuang42 [Fri, 6 Nov 2020 15:52:34 +0000 (10:52 -0500)] 
Add new mergeGeneratedSequences() function

4 years agoMerge pull request #2385 from LuAPi/add-ZSTD_getDictID_fromCDict-single-commit
Nick Terrell [Thu, 5 Nov 2020 18:36:13 +0000 (10:36 -0800)] 
Merge pull request #2385 from LuAPi/add-ZSTD_getDictID_fromCDict-single-commit

Add ZSTD_getDictID_fromCDict function to experimental section

4 years agoAdd ZSTD_getDictID_fromCDict function to experimental section 2385/head
Luke Pitt [Wed, 4 Nov 2020 11:37:37 +0000 (11:37 +0000)] 
Add ZSTD_getDictID_fromCDict function to experimental section

4 years agoChange block delimiter removing to linear time approach
senhuang42 [Mon, 2 Nov 2020 21:59:16 +0000 (16:59 -0500)] 
Change block delimiter removing to linear time approach

4 years agoRemove trailing comma
senhuang42 [Mon, 2 Nov 2020 16:53:04 +0000 (11:53 -0500)] 
Remove trailing comma

4 years agoUse ZSTD_memmove() instead of memmove()
senhuang42 [Mon, 2 Nov 2020 16:43:19 +0000 (11:43 -0500)] 
Use ZSTD_memmove() instead of memmove()

4 years agoRevert compressibility change
senhuang42 [Mon, 2 Nov 2020 16:35:27 +0000 (11:35 -0500)] 
Revert compressibility change

4 years agoUpdate name of enum, clarify documentation
senhuang42 [Mon, 2 Nov 2020 16:32:56 +0000 (11:32 -0500)] 
Update name of enum, clarify documentation

4 years agoUpdate unit test
senhuang42 [Mon, 2 Nov 2020 16:30:31 +0000 (11:30 -0500)] 
Update unit test

4 years agoRevert unnecessary seqCollector adjustment
senhuang42 [Mon, 2 Nov 2020 15:59:06 +0000 (10:59 -0500)] 
Revert unnecessary seqCollector adjustment

4 years agoFix incorrect index increment in merge algorithm
senhuang42 [Mon, 2 Nov 2020 15:58:18 +0000 (10:58 -0500)] 
Fix incorrect index increment in merge algorithm

4 years agoAdd algorithm to remove all delimiters
senhuang42 [Mon, 2 Nov 2020 15:46:52 +0000 (10:46 -0500)] 
Add algorithm to remove all delimiters

4 years agoUpdate seqCollector definition
senhuang42 [Mon, 2 Nov 2020 15:19:26 +0000 (10:19 -0500)] 
Update seqCollector definition

4 years agoUpdate ZSTD_getSequences function signature
senhuang42 [Mon, 2 Nov 2020 15:17:59 +0000 (10:17 -0500)] 
Update ZSTD_getSequences function signature

4 years agoAdd new enum for different sequence formats for ingestion/extraction
senhuang42 [Mon, 2 Nov 2020 15:15:53 +0000 (10:15 -0500)] 
Add new enum for different sequence formats for ingestion/extraction

4 years agoMerge pull request #2378 from senhuang42/free_cress_ptr
sen [Mon, 2 Nov 2020 01:33:25 +0000 (20:33 -0500)] 
Merge pull request #2378 from senhuang42/free_cress_ptr

[minor] Pass cRess_t by const ptr instead of by value

4 years agoMerge pull request #2379 from terrelln/regression-test
Nick Terrell [Fri, 30 Oct 2020 22:09:38 +0000 (15:09 -0700)] 
Merge pull request #2379 from terrelln/regression-test

[regression] Updates results.csv & add README

4 years agoMerge pull request #2354 from terrelln/stable-buffer
Nick Terrell [Fri, 30 Oct 2020 22:06:56 +0000 (15:06 -0700)] 
Merge pull request #2354 from terrelln/stable-buffer

Add ZSTD_c_stable{In,Out}Buffer and optimize when set

4 years ago[regression] Add README explaining the test 2379/head
Nick Terrell [Fri, 30 Oct 2020 20:55:52 +0000 (13:55 -0700)] 
[regression] Add README explaining the test

4 years ago[regression] Update results.csv
Nick Terrell [Fri, 30 Oct 2020 20:54:30 +0000 (13:54 -0700)] 
[regression] Update results.csv

https://github.com/facebook/zstd/pull/2339 removes the single-pass zstdmt API.
This changes the compressed size, because we no longer take the # of threads into
account when deciding the job size.

4 years agoMerge pull request #2376 from senhuang42/clarify_sequence_extraction_api
sen [Fri, 30 Oct 2020 19:47:25 +0000 (15:47 -0400)] 
Merge pull request #2376 from senhuang42/clarify_sequence_extraction_api

Refine external ZSTD_Sequence API

4 years ago[test] Add unit tests for ZSTD_c_stable{In,Out}Buffer 2354/head
Nick Terrell [Tue, 13 Oct 2020 01:40:14 +0000 (18:40 -0700)] 
[test] Add unit tests for ZSTD_c_stable{In,Out}Buffer

4 years ago[lib] Avoid allocating the input buffer when ZSTD_c_stableInBuffer is set
Nick Terrell [Mon, 12 Oct 2020 21:47:55 +0000 (14:47 -0700)] 
[lib] Avoid allocating the input buffer when ZSTD_c_stableInBuffer is set

We don't use it when we have a stable input buffer, so don't allocate
it. I had to slightly modify `ZSTD_copyCCtx()` by storing the
`ZSTD_buffered_policy_e` in the `ZSTD_CCtx`, since `inBuffSize > 0` is
no longer the correct signal for the buffered mode.

4 years ago[lib] Skip the input window buffer when ZSTD_c_stableInBuffer is set
Nick Terrell [Mon, 12 Oct 2020 21:36:30 +0000 (14:36 -0700)] 
[lib] Skip the input window buffer when ZSTD_c_stableInBuffer is set

Compress directly from the `ZSTD_inBuffer`. We still allocate the input
buffer. A following commit will remove that allocation.

4 years ago[cwksp] Return NULL when 0 bytes are requested
Nick Terrell [Mon, 12 Oct 2020 21:19:04 +0000 (14:19 -0700)] 
[cwksp] Return NULL when 0 bytes are requested

This ensures that the buffer is never used.

4 years ago[lib] Avoid allocating output buffer when ZSTD_c_stableOutBuffer is set
Nick Terrell [Mon, 12 Oct 2020 21:17:22 +0000 (14:17 -0700)] 
[lib] Avoid allocating output buffer when ZSTD_c_stableOutBuffer is set

We compress directly to the `ZSTD_outBuffer` so we don't need to
allocate it.

4 years ago[lib] Compress directly into output when ZSTD_c_stableOutBuffer is set
Nick Terrell [Mon, 12 Oct 2020 21:12:23 +0000 (14:12 -0700)] 
[lib] Compress directly into output when ZSTD_c_stableOutBuffer is set

When we have a stable output buffer always compress directly into the
`ZSTD_outBuffer`. We are allowed to return `dstSizeTooSmall`.

4 years ago[lib] Take the shortcut when ZSTD_c_stableOutBuffer is set
Nick Terrell [Mon, 12 Oct 2020 21:09:12 +0000 (14:09 -0700)] 
[lib] Take the shortcut when ZSTD_c_stableOutBuffer is set

When we have a stable output buffer take the single-pass shortcut.
It is okay to return `dstSizeTooSmall` if the output buffer isn't
big enough, because we know it will never grow.

4 years ago[lib] Set ZSTD_c_stable{In,Out}Buffer in ZSTD_compress2()
Nick Terrell [Mon, 12 Oct 2020 20:51:35 +0000 (13:51 -0700)] 
[lib] Set ZSTD_c_stable{In,Out}Buffer in ZSTD_compress2()

Sets these parameters in ZSTD_compress2() then resets them to their
orignal values after the compression call.

An alternative design could be to add a flush mode `ZSTD_e_singlePass`
which implies `ZSTD_c_stable{In,Out}Buffer` but only for a single
compression call, by directly setting the applied parameters. I've opted
for the smaller change, but this is open for discussion.

4 years ago[lib] Validate buffers when ZSTD_c_stable{In,Out}Buffer is set
Nick Terrell [Mon, 12 Oct 2020 20:45:33 +0000 (13:45 -0700)] 
[lib] Validate buffers when ZSTD_c_stable{In,Out}Buffer is set

Adds the validation of the input/output buffers only. They are still
unused.

4 years ago[API] Add ZSTD_c_stable{In,Out}Buffer parameters
Nick Terrell [Mon, 12 Oct 2020 20:15:39 +0000 (13:15 -0700)] 
[API] Add ZSTD_c_stable{In,Out}Buffer parameters

This commit adds the parameters and sets the value in the CCtxParams
but it does not do anything with the value.

4 years ago[lib] Set appliedParams in zstdmt mode
Nick Terrell [Tue, 13 Oct 2020 02:30:23 +0000 (19:30 -0700)] 
[lib] Set appliedParams in zstdmt mode

Previously only `nbWorkers` was set. Set all parameters, because that is
what is expected. This is needed for the `ZSTD_c_stable{In,Out}Buffer`
parameters.

4 years agoSpecify that getSequences() will always emit block boundary sequences 2376/head
senhuang42 [Fri, 30 Oct 2020 16:30:50 +0000 (12:30 -0400)] 
Specify that getSequences() will always emit block boundary sequences

4 years agoSequence extractor should update CBlockState
senhuang42 [Fri, 30 Oct 2020 16:13:19 +0000 (12:13 -0400)] 
Sequence extractor should update CBlockState

4 years agoEmit last literals of 0 size as well, to indicate block boundary
senhuang42 [Thu, 29 Oct 2020 20:41:17 +0000 (16:41 -0400)] 
Emit last literals of 0 size as well, to indicate block boundary

4 years agoCorrect literalsRead calculation to include longLength
senhuang42 [Thu, 29 Oct 2020 18:49:37 +0000 (14:49 -0400)] 
Correct literalsRead calculation to include longLength

4 years agoMerge pull request #2375 from senhuang42/ldm_oss_fuzz_testcase
sen [Thu, 29 Oct 2020 13:32:05 +0000 (09:32 -0400)] 
Merge pull request #2375 from senhuang42/ldm_oss_fuzz_testcase

Add a test case for LDM + opt parser with small uncompressible block

4 years agoUn-mix declarations and code 2375/head
senhuang42 [Wed, 28 Oct 2020 21:49:54 +0000 (17:49 -0400)] 
Un-mix declarations and code

4 years agoRemove implicit typecast to appease appVeyor windows build
senhuang42 [Wed, 28 Oct 2020 20:25:09 +0000 (16:25 -0400)] 
Remove implicit typecast to appease appVeyor windows build

4 years agoAdd check for allocation
senhuang42 [Wed, 28 Oct 2020 20:22:22 +0000 (16:22 -0400)] 
Add check for allocation

4 years agoMerge pull request #2373 from facebook/libzstd_autoconf_full
Yann Collet [Wed, 28 Oct 2020 18:57:08 +0000 (11:57 -0700)] 
Merge pull request #2373 from facebook/libzstd_autoconf_full

Automatic detection of configuration changes

4 years agoMerge branch 'dev' into libzstd_autoconf_full 2373/head
Yann Collet [Wed, 28 Oct 2020 17:53:08 +0000 (10:53 -0700)] 
Merge branch 'dev' into libzstd_autoconf_full

4 years agoMerge branch 'libzstd_autoconf_full' of github.com:facebook/zstd into libzstd_autocon...
Yann Collet [Wed, 28 Oct 2020 17:25:55 +0000 (10:25 -0700)] 
Merge branch 'libzstd_autoconf_full' of github.com:facebook/zstd into libzstd_autoconf_full

4 years agominor Makefile refactor
Yann Collet [Wed, 28 Oct 2020 16:39:15 +0000 (09:39 -0700)] 
minor Makefile refactor

hopefully improving readability

4 years agoClarify comments in zstd.h some more
senhuang42 [Tue, 27 Oct 2020 21:45:23 +0000 (17:45 -0400)] 
Clarify comments in zstd.h some more

4 years agoMerge pull request #2339 from terrelln/zstdmt-stability
Nick Terrell [Wed, 28 Oct 2020 02:43:13 +0000 (19:43 -0700)] 
Merge pull request #2339 from terrelln/zstdmt-stability

Fix zstdmt stability issues and clean up the zstdmt code

4 years agoMerge branch 'dev' into libzstd_autoconf_full
Yann Collet [Tue, 27 Oct 2020 22:45:30 +0000 (15:45 -0700)] 
Merge branch 'dev' into libzstd_autoconf_full

4 years agoMerge pull request #2374 from bket/portability
Yann Collet [Tue, 27 Oct 2020 21:15:35 +0000 (14:15 -0700)] 
Merge pull request #2374 from bket/portability

'head -c BYTES' is non-portable

4 years agoMove test to appropriate location
senhuang42 [Tue, 27 Oct 2020 20:59:43 +0000 (16:59 -0400)] 
Move test to appropriate location

4 years agoAdd test to fuzzer.c
senhuang42 [Tue, 27 Oct 2020 20:57:24 +0000 (16:57 -0400)] 
Add test to fuzzer.c

4 years agoMerge pull request #2366 from senhuang42/enable_ldm_by_default
sen [Tue, 27 Oct 2020 18:59:28 +0000 (14:59 -0400)] 
Merge pull request #2366 from senhuang42/enable_ldm_by_default

Enable LDM by default if window size >= 128MB and strategy uses opt parser

4 years agoMerge pull request #2362 from senhuang42/fix_ldm_fuzz_issue
Nick Terrell [Tue, 27 Oct 2020 18:13:03 +0000 (11:13 -0700)] 
Merge pull request #2362 from senhuang42/fix_ldm_fuzz_issue

Fix long distance matcher OSS-fuzz issue

4 years agoRemove unused variable position
senhuang42 [Tue, 27 Oct 2020 16:58:12 +0000 (12:58 -0400)] 
Remove unused variable position

4 years agoAdd test compatibility with last literals in sequences
senhuang42 [Tue, 27 Oct 2020 16:28:46 +0000 (12:28 -0400)] 
Add test compatibility with last literals in sequences

4 years ago'head -c BYTES' is non-portable 2374/head
Björn Ketelaars [Tue, 27 Oct 2020 15:51:24 +0000 (16:51 +0100)] 
'head -c BYTES' is non-portable

4 years agoAdd support for representing last literals in the extracted seqs
senhuang42 [Tue, 27 Oct 2020 15:19:48 +0000 (11:19 -0400)] 
Add support for representing last literals in the extracted seqs

4 years agoImprove documentation of seqStore_t
senhuang42 [Tue, 27 Oct 2020 14:43:37 +0000 (10:43 -0400)] 
Improve documentation of seqStore_t

4 years agoImprove documentation regarding various operations in copyBlockSequences
senhuang42 [Tue, 27 Oct 2020 14:36:06 +0000 (10:36 -0400)] 
Improve documentation regarding various operations in copyBlockSequences

4 years agoModify ZSTD_copyBlockSequences to agree with new API
senhuang42 [Tue, 27 Oct 2020 14:07:26 +0000 (10:07 -0400)] 
Modify ZSTD_copyBlockSequences to agree with new API

4 years agoClarify and modify ZSTD_Sequence definition
senhuang42 [Tue, 27 Oct 2020 13:41:32 +0000 (09:41 -0400)] 
Clarify and modify ZSTD_Sequence definition

4 years agoMerge branch 'dev' into libzstd_autoconf_full
Yann Collet [Mon, 26 Oct 2020 22:17:39 +0000 (15:17 -0700)] 
Merge branch 'dev' into libzstd_autoconf_full

4 years agoMerge pull request #2370 from facebook/libzstd_autoconf
Yann Collet [Mon, 26 Oct 2020 22:16:04 +0000 (15:16 -0700)] 
Merge pull request #2370 from facebook/libzstd_autoconf

Automatic configuration detection

4 years agomake install only rebuild binaries if they don't exist
Yann Collet [Fri, 23 Oct 2020 23:46:49 +0000 (16:46 -0700)] 
make install only rebuild binaries if they don't exist

Now `make` followed by `make install` doesn't rebuild binaries

also : only generated target directories if they don't already exist

4 years agomake zstd is now differentiated from zstd-nomt
Yann Collet [Fri, 23 Oct 2020 23:08:21 +0000 (16:08 -0700)] 
make zstd is now differentiated from zstd-nomt

avoids mixing object files using different flags

4 years agosimplified silent mode maintenance
Yann Collet [Fri, 23 Oct 2020 17:41:17 +0000 (10:41 -0700)] 
simplified silent mode maintenance

4 years agofix partial lib test
Yann Collet [Fri, 23 Oct 2020 17:27:12 +0000 (10:27 -0700)] 
fix partial lib test

4 years agosimplified silent mode
Yann Collet [Fri, 23 Oct 2020 17:22:52 +0000 (10:22 -0700)] 
simplified silent mode

4 years agofixed building libzstd with manual BUILD_DIR
Yann Collet [Fri, 23 Oct 2020 17:14:04 +0000 (10:14 -0700)] 
fixed building libzstd with manual BUILD_DIR

and when HASH is not found

4 years agofix partial-build test 2370/head
Yann Collet [Fri, 23 Oct 2020 02:53:01 +0000 (19:53 -0700)] 
fix partial-build test

sometimes, the scope difference is solely determined by the list of source files,
not by the flags.

4 years agoMerge branch 'dev' into libzstd_autoconf
Yann Collet [Fri, 23 Oct 2020 01:55:30 +0000 (18:55 -0700)] 
Merge branch 'dev' into libzstd_autoconf

4 years agocan integrate later dynamic flags changes
Yann Collet [Fri, 23 Oct 2020 01:48:06 +0000 (18:48 -0700)] 
can integrate later dynamic flags changes

for example `libzstd-mt` is `differentiated from `libzstd`

4 years agoMerge pull request #2368 from facebook/progressive_libzstd
Yann Collet [Fri, 23 Oct 2020 00:36:56 +0000 (17:36 -0700)] 
Merge pull request #2368 from facebook/progressive_libzstd

faster rebuild of libzstd

4 years agoupdated build documentation
Yann Collet [Thu, 22 Oct 2020 19:31:23 +0000 (12:31 -0700)] 
updated build documentation

4 years agofixed libzstd.dll compilation on mingw
Yann Collet [Thu, 22 Oct 2020 18:28:46 +0000 (11:28 -0700)] 
fixed libzstd.dll compilation on mingw

and zstd linking

4 years agofix DEBUGLEVEL redefinition from tests/
Yann Collet [Thu, 22 Oct 2020 07:20:40 +0000 (00:20 -0700)] 
fix DEBUGLEVEL redefinition from tests/

4 years agofix directory creation for Windows' libzstd
Yann Collet [Thu, 22 Oct 2020 07:15:31 +0000 (00:15 -0700)] 
fix directory creation for Windows' libzstd

4 years agofix test
Yann Collet [Thu, 22 Oct 2020 06:51:13 +0000 (23:51 -0700)] 
fix test

DEBUGLEVEL redefinition