Changes since release 131:
v1.7.4.2
- fix : Makefile : release build compatible with PIE and customized
compilation directives provided through environment variables (#274,
reported by Antoine Martin)
v1.7.4
- Improved : much better speed in -mx32 mode
- cli : fix : Large file support in 32-bits mode on Mac OS-X
- fix : compilation on gcc 4.4 (#272), reported by Antoine Martin
v1.7.3
- Changed : moved to versioning; package, cli and library have same
version number
- Improved: Small decompression speed boost
- Improved: Small compression speed improvement on 64-bits systems
- Improved: Small compression ratio and speed improvement on small files
- Improved: Significant speed boost on ARMv6 and ARMv7
- Fix : better ratio on 64-bits big-endian targets
- Improved cmake build script, by Evan Nemerson
- New liblz4-dll project, by Przemyslaw Skibinki
- Makefile: Generates object files (*.o) for faster (re)compilation on
low power systems
- cli : new : --rm and --help commands
- cli : new : preserved file attributes, by Przemyslaw Skibinki
- cli : fix : crash on some invalid inputs
- cli : fix : -t correctly validates lz4-compressed files, by Nick
Terrell
- cli : fix : detects and reports fread() errors, thanks to Hiroshi
Fujishima report #243
- cli : bench : new : -r recursive mode
- lz4cat : can cat multiple files in a single command line (#184)
- Added : doc/lz4_manual.html, by Przemyslaw Skibinski
- Added : dictionary compression and frame decompression examples, by
Nick Terrell
- Added : Debianization, by Evgeniy Polyakov
- New : Dos/DJGPP target, thanks to Louis Santillan
- Added : Example using lz4frame library, by Zbigniew Jedrzejewski-Szmek
- Changed: liblz4 : xxhash symbols are dynamically changed (namespace
emulation) to avoid symbol conflict
- Changed: liblz4.a (static library) no longer compiled with -fPIC
by default
LZ4 r130
Fixed : incompatibility sparse mode vs console
Fixed : LZ4IO exits too early when frame crc not present
Fixed : incompatibility sparse mode vs append mode
Performance fix : big compression speed boost for clang (+30%)
New : cross-version test, by Takayuki Matsuoka
LZ4 r129
New : LZ4_compress_fast()
Changed: New lz4 and lz4hc compression API. Previous function
prototypes still supported.
Changed: Sparse file support enabled by default
New : LZ4 CLI improved performance compressing/decompressing multiple file
Added : LZ4_compress_destSize()
Fixed : GCC 4.9+ vector optimization
Changed: Enums converted to LZ4F_ namespace convention
Added : AppVeyor CI environment, for Visual tests
Modified:Obsolete functions generate warnings
Fixed : Bug #75 (unfinished stream)
Updated: Documentation converted to MarkDown format
LZ4 r128
New : lz4cli sparse file support
New : command -m, to compress multiple files in a single command
Fixed : Restored lz4hc compression ratio (slightly lower since r124)
New : lz4 cli supports long commands
New : lz4frame & lz4cli frame content size support
New : lz4frame supports skippable frames
Changed: Default "make install" directory is /usr/local
New : lz4 cli supports "pass-through" mode
New : datagen can generate sparse files
New : scan-build tests
New : g++ compatibility tests
New : arm cross-compilation test
Fixed : Fuzzer + frametest compatibility with NetBSD
Added : Visual project directory
Updated: Man page & Specification
r127:
N/A : added a file on SVN
r126:
New : lz4frame API is now integrated into liblz4
Fixed : GCC 4.9 bug on highest performance settings, reported by Greg Slazinski
Fixed : bug within LZ4 HC streaming mode, reported by James Boyle
Fixed : older compiler don't like nameless unions, reported by Cheyi Lin
Changed : lz4 is C90 compatible
Changed : added -pedantic option, fixed a few mminor warnings
r125:
Changed : endian and alignment code
Changed : directory structure : new "lib" directory
Updated : lz4io, now uses lz4frame
Improved: slightly improved decoding speed
Fixed : LZ4_compress_limitedOutput(); Special thanks to Christopher Speller !
Fixed : some alignment warnings under clang
Fixed : deprecated function LZ4_slideInputBufferHC()
r123:
Added : experimental lz4frame API, thanks to Takayuki Matsuoka and
Christopher Jackson for testings
Fix : s390x support, thanks to Nobuhiro Iwamatsu
Fix : test mode (-t) no longer requires confirmation, thanks to Thary Nguyen
r122:
Fix : AIX & AIX64 support (SamG)
Fix : mips 64-bits support (lew van)
Added : Examples directory, using code examples from Takayuki Matsuoka
Updated : Framing specification, to v1.4.1
Updated : xxHash, to r36
r121:
Added : Makefile : install for kFreeBSD and Hurd (Nobuhiro Iwamatsu)
Fix : Makefile : install for OS-X and BSD, thanks to Takayuki Matsuoka
LZ4 is a very fast lossless compression algorithm, providing
compression speed at 400 MB/s per core, scalable with multi-cores
CPU. It also features an extremely fast decoder, with speed in
multiple GB/s per core, typically reaching RAM speed limits on
multi-core systems.
