Releases

ISA-L v2.31 (Released January 2024)

• API changes:

  • gf_vect_mul_base() function now returns an integer, matching the return type of gf_vect_mul() function (not a breaking change).

• Igzip compression improvements:

  • Added compress/decompress with dictionary to perf test app.
  • Zlib header can be now created on the fly when starting the compression.
  • Added isal_zlib_hdr_init() function to initialize the zlib header to 0.

• Zero-memory dectection improvements:

  • Optimized AVX implementation.
  • Added new AVX2 and AVX512 implementations.

• Erasure coding improvements:

  • Added new AVX512 and AVX2 implementations using GFNI instructions.
  • Added new SVE implementation.

• CRC improvements:

  • Added new CRC64 Rocksoft algorithm.
  • CRC x86 implementations optimized using ternary logic instructions and folding of bigger data on the last bytes.
  • CRC16 T10dif aarch64 implementation improved.
  • CRC aarch64 implementations optimized using XOR fusion feature.

• Documentation:

  • Added function overview documentation page.
  • Added security file.

• Performance apps:

  • Changed performance tests to warm by default.

• Example apps:

  • Added CRC combine example crc_combine_example for multiple polynomials.

• Fixes:

• Fixed various compilation issues/warnings for different platforms.
• Fixed documentation on xor/pq gen/check functions, with minimum number of vectors.
• Fixed potential out-of-bounds read on Adler32 Neon implementation.
• Fixed potential out-of-bounds read on gf_vect_mul Neon implementation.
• Fixed x86 load/store instructions in erasure coding functions (aligned moves that should be unaligned).
• Fixed memory leaks in unit tests.

ISA-L Crypto v2.24 (Released April 2021)

• New optimized version of AES-CBC decode
• New AVX2, 8 lane version of multi-buffer SM3
• Added support for big-endian architectures

ISA-L v2.30 (Released November 2020)

• Igzip compression/decompression enhancements.
  • New functions for compression with dictionary acceleration.
  • New static level 0 header decode tables. Accelerates decompressing small files.
  • New feature for igzip cli tool: support for concatenated .gz files.
• CRC Improvements
  • New vclmul version of crc32_iscsi().
  • Updates for aarch64.
• Other fixes
  • Intel CET support.
  • Windows nasm support.

ISA-L Crypto v2.23 (Released September 2020)

• AES-GCM, AES-XTS for next gen CPU
• New optimized versions of multi-buffer SM3 hashing.

ISA-L v2.29 (Released February 2020)

• EC performance improvements for 6+ parity
• CRC32 and CRC16 next gen CPU

ISA-L v2.28 (Released October 2019)

• CRC performance improvements for next gen CPU

ISA-L Crypto v2.22 (Released August 2019)

• Multi-buffer SM3 functions. Experimental base functions only.
• Multi-architecture support

ISA-L v2.27 (Released June 2019)

• Threaded igzip

v2.26 (Released March 2019)

• Adler32 function
• Multi-arch improvements
• Performance test improvements
• Various fixes for sanitizer warnings

v2.25 (Released December 2018)

• Compression on random file performance improvements
• Additional small file compression improvements
• Multi-arch autoconf

v2.24 (Released September 2018)

• Small file compression performance improvements
• igzip gzip/zlib header/trailer handling
• igzip userspace tool/example
• Zero detect memory function

v2.23 (Released June 2018)

• Decompression Performance Improvements (Multi Byte Decode)

v2.22 (Released March 2018)

• Level 3 Compression performance improvements
• Better EC Examples

v2.21 (Released December 2017)

• Level 2 & 3 Compression Level added. Level 3 is currently only optimized for processors with AVX512 instructions.
• New T10dif CRC and Copy function
• CRC32 iSCSI performance improvements
• Multi-buffer hash performance improvement for Intel Atom processors.
• New base functions for multi-buffer hashes.

v2.20 (Released September 2017)

• Multi Buffer Hashing : extend the max size to > 4 GB
• Add Non Temporal(NT) runtime versions of AES_GCM
• Add Saturation Benchmark for determining the saturation point for each algorithm like MBH, CRC, AES and EC.

v2.19 (Released June 2017)

• Rolling Hash
• Multi Buffer Hash improvements
• AES GCM : super small packet performance improvements
• Adler and zlib format for Inflate\Deflate

v2.18 ( Released March 2017)

• New 2-pass fully-dynamic deflate compression (level 0-1).
• Base functions for multi-architecture support
• Multi-hash SHA-256 based
• RAID AVX512 versions

v2.17 ( Released December 2016)

ISA-L v2.17 features summary

• Fast Decompression (Inflate) - New.
• Compression Improvements (Deflate) - speed, compression ratio improvements and new features.
• Fast Custom Huffman Code generation – creates optimized Huffman table based on some sample input.
• CRC64