1.5.3 version bump
Elliot Gorokhovsky
parent
e9d6fc867a
commit
5c382bf110
35
CHANGELOG
35
CHANGELOG
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@ -1,3 +1,38 @@
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v1.5.3 (June, 2022)
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perf: 5-30% faster dictionary compression at levels 1-4 (#3086, #3114, #3152, @embg)
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perf: 5-10% faster streaming compression at levels 1-2 (#3114, @embg)
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perf: Remove branch in ZSTD_fast_noDict (#3129, @felixhandte)
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perf: Add option to prefetch CDict tables (#3177, @embg)
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perf: Minor compression ratio improvement (#2983, @Cyan4973)
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perf: Minor speed improvement for Huffman decoding (#3013, @WojciechMula)
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perf: Enable STATIC_BMI2 for gcc/clang (#3080, @TocarIP)
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perf: Optimize ZSTD_row_getMatchMask for ARM levels 8-10 (#3139, #3160, @danlark1)
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perf: aarch64 performance improvements (#3145, #3141, @JunHe77)
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perf: Lazy parameters adaptation (#2974, @Cyan4973)
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cli: Async write for decompression (#2975, @yoniko)
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cli: Use buffered output (#2985, @yoniko)
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cli: Change zstdless behavior to align with zless (#2909, @binhdvo)
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cli: AsyncIO compression (#3021, #3022, @yoniko)
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cli: Print zlib/lz4/lzma library versions in verbose version output (#3030, @terrelln)
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cli: Fix for -r on empty directory (#3027, @brailovich)
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cli: Fix required decompression memory usage reported by -vv + --long (#3042, @u1f35c)
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cli: Fix infinite loop when empty input is passed to trainer (#3081, @terrelln)
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cli: Implement more gzip compatibility (#3059, @dirkmueller)
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cli: Keep original file if -c or --stdout is given (#3052, @dirkmueller)
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bug: Fix for block-splitter (#3033, @Cyan4973)
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bug: Fixes for Sequence Compression API (#3023, #3040, @Cyan4973)
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bug: Fix leaking thread handles on Windows (#3147, @animalize)
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bug: Fix timing issues with cmake/meson builds (#3166, #3167, #3170, @Cyan4973)
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build: Allow user to select legacy level for cmake (#3050, @shadchin)
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build: Enable legacy support by default in cmake (#3079, @niamster)
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build: Meson improvements (#3039, #3122, @eli-schwartz)
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build: Add aarch64 to supported architectures for zstd_trace (#3054, @ooosssososos)
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doc: Split help in long and short version, cleanup formatting (#3094, @dirkmueller)
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doc: Updated man page, providing more details for --train mode (#3112, @Cyan4973)
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doc: Add decompressor errata document (#3092, @terrelln)
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misc: Enable Intel CET (#2992, #2994, @hjl-tools)
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misc: Streaming decompression can detect incorrect header ID sooner (#3175, @Cyan4973)
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v1.5.2 (Jan, 2022)
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perf: Regain Minimal memset()-ing During Reuse of Compression Contexts (@Cyan4973, #2969)
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build: Build Zstd with `noexecstack` on All Architectures (@felixhandte, #2964)
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@ -1,10 +1,10 @@
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>zstd 1.5.2 Manual</title>
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<title>zstd 1.5.3 Manual</title>
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</head>
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<body>
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<h1>zstd 1.5.2 Manual</h1>
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<h1>zstd 1.5.3 Manual</h1>
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<hr>
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<a name="Contents"></a><h2>Contents</h2>
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<ol>
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@ -359,6 +359,7 @@ size_t ZSTD_freeDCtx(ZSTD_DCtx* dctx); </b>/* accept NULL pointer */<b>
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* ZSTD_c_validateSequences
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* ZSTD_c_useBlockSplitter
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* ZSTD_c_useRowMatchFinder
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* ZSTD_c_prefetchCDictTables
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* Because they are not stable, it's necessary to define ZSTD_STATIC_LINKING_ONLY to access them.
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* note : never ever use experimentalParam? names directly;
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* also, the enums values themselves are unstable and can still change.
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@ -377,7 +378,8 @@ size_t ZSTD_freeDCtx(ZSTD_DCtx* dctx); </b>/* accept NULL pointer */<b>
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ZSTD_c_experimentalParam12=1009,
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ZSTD_c_experimentalParam13=1010,
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ZSTD_c_experimentalParam14=1011,
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ZSTD_c_experimentalParam15=1012
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ZSTD_c_experimentalParam15=1012,
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ZSTD_c_experimentalParam16=1013
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} ZSTD_cParameter;
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</b></pre><BR>
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<pre><b>typedef struct {
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@ -790,7 +792,7 @@ size_t ZSTD_freeDStream(ZSTD_DStream* zds); </b>/* accept NULL pointer */<b>
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</p></pre><BR>
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<pre><b>unsigned ZSTD_getDictID_fromFrame(const void* src, size_t srcSize);
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</b><p> Provides the dictID required to decompress the frame stored within `src`.
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</b><p> Provides the dictID required to decompressed the frame stored within `src`.
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If @return == 0, the dictID could not be decoded.
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This could for one of the following reasons :
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- The frame does not require a dictionary to be decoded (most common case).
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@ -1132,15 +1134,15 @@ size_t ZSTD_sizeof_DDict(const ZSTD_DDict* ddict);
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ZSTD_sf_explicitBlockDelimiters = 1 </b>/* Representation of ZSTD_Sequence contains explicit block delimiters */<b>
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} ZSTD_sequenceFormat_e;
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</b></pre><BR>
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<pre><b></b><p> Generate sequences using ZSTD_compress2, given a source buffer.
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<pre><b></b><p> Generate sequences using ZSTD_compress2(), given a source buffer.
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Each block will end with a dummy sequence
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with offset == 0, matchLength == 0, and litLength == length of last literals.
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litLength may be == 0, and if so, then the sequence of (of: 0 ml: 0 ll: 0)
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simply acts as a block delimiter.
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zc can be used to insert custom compression params.
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This function invokes ZSTD_compress2
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@zc can be used to insert custom compression params.
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This function invokes ZSTD_compress2().
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The output of this function can be fed into ZSTD_compressSequences() with CCtx
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setting of ZSTD_c_blockDelimiters as ZSTD_sf_explicitBlockDelimiters
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@ -1150,7 +1152,7 @@ size_t ZSTD_sizeof_DDict(const ZSTD_DDict* ddict);
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<pre><b>ZSTDLIB_STATIC_API size_t ZSTD_mergeBlockDelimiters(ZSTD_Sequence* sequences, size_t seqsSize);
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</b><p> Given an array of ZSTD_Sequence, remove all sequences that represent block delimiters/last literals
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by merging them into into the literals of the next sequence.
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by merging them into the literals of the next sequence.
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As such, the final generated result has no explicit representation of block boundaries,
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and the final last literals segment is not represented in the sequences.
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@ -1161,9 +1163,10 @@ size_t ZSTD_sizeof_DDict(const ZSTD_DDict* ddict);
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</p></pre><BR>
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<pre><b>ZSTDLIB_STATIC_API size_t ZSTD_compressSequences(ZSTD_CCtx* const cctx, void* dst, size_t dstSize,
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const ZSTD_Sequence* inSeqs, size_t inSeqsSize,
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const void* src, size_t srcSize);
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<pre><b>ZSTDLIB_STATIC_API size_t
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ZSTD_compressSequences( ZSTD_CCtx* cctx, void* dst, size_t dstSize,
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const ZSTD_Sequence* inSeqs, size_t inSeqsSize,
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const void* src, size_t srcSize);
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</b><p> Compress an array of ZSTD_Sequence, associated with @src buffer, into dst.
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@src contains the entire input (not just the literals).
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If @srcSize > sum(sequence.length), the remaining bytes are considered all literals
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@ -1191,7 +1194,7 @@ size_t ZSTD_sizeof_DDict(const ZSTD_DDict* ddict);
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Note: Repcodes are, as of now, always re-calculated within this function, so ZSTD_Sequence::rep is unused.
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Note 2: Once we integrate ability to ingest repcodes, the explicit block delims mode must respect those repcodes exactly,
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and cannot emit an RLE block that disagrees with the repcode history
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@return : final compressed size or a ZSTD error.
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@return : final compressed size, or a ZSTD error code.
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</p></pre><BR>
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@ -1199,7 +1202,7 @@ size_t ZSTD_sizeof_DDict(const ZSTD_DDict* ddict);
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const void* src, size_t srcSize, unsigned magicVariant);
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</b><p> Generates a zstd skippable frame containing data given by src, and writes it to dst buffer.
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Skippable frames begin with a a 4-byte magic number. There are 16 possible choices of magic number,
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Skippable frames begin with a 4-byte magic number. There are 16 possible choices of magic number,
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ranging from ZSTD_MAGIC_SKIPPABLE_START to ZSTD_MAGIC_SKIPPABLE_START+15.
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As such, the parameter magicVariant controls the exact skippable frame magic number variant used, so
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the magic number used will be ZSTD_MAGIC_SKIPPABLE_START + magicVariant.
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@ -74,7 +74,7 @@ extern "C" {
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/*------ Version ------*/
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#define ZSTD_VERSION_MAJOR 1
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#define ZSTD_VERSION_MINOR 5
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#define ZSTD_VERSION_RELEASE 2
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#define ZSTD_VERSION_RELEASE 3
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#define ZSTD_VERSION_NUMBER (ZSTD_VERSION_MAJOR *100*100 + ZSTD_VERSION_MINOR *100 + ZSTD_VERSION_RELEASE)
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/*! ZSTD_versionNumber() :
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