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Vectorscan Change Log

This is a list of notable changes to Vectorscan, in reverse chronological order. For Hyperscan Changelog, check CHANGELOG.md

[5.4.11] 2023-11-19

  • Refactor CMake build system to be much more modular.
  • version in hs.h fell out of sync again #175
  • Fix compile failures with recent compilers, namely clang-15 and gcc-13
  • Fix clang 15,16 compilation errors on all platforms, refactor CMake build system #181
  • Fix signed/unsigned char issue on Arm with Ragel generated code.
  • Correct set_source_files_properties usage #189
  • Fix build failure on Ubuntu 20.04
  • Support building on Ubuntu 20.04 #180
  • Require pkg-config during Cmake
  • make pkgconfig a requirement #188
  • Fix segfault on Fat runtimes with SVE2 code
  • Move VERM16 enums to the end of the list #191
  • Update README.md, add CHANGELOG-vectorscan.md and Contributors-vectorscan.md files

[5.4.10] 2023-09-23

  • Fix compilation with libcxx 16 by @rschu1ze in #144
  • Fix use-of-uninitialized-value due to getData128() by @azat in #148
  • Use std::vector instead of boost::container::small_vector under MSan by @azat in #149
  • Feature/enable fat runtime arm by @markos in #165
  • adding ifndef around HS_PUBLIC_API definition so that vectorscan can be statically linked into another shared library without exporting symbols by @jeffplaisance in #164
  • Feature/backport hyperscan 2023 q3 by @markos in #169
  • Prepare for 5.4.10 by @markos in #167

[5.4.9] 2023-03-23

  • Major change: Enable SVE & SVE2 builds and make it a supported architecture! (thanks to @abondarev84)
  • Fix various clang-related bugs
  • Fix Aarch64 bug in Parser.rl because of char signedness. Make unsigned char the default in the Parser for all architectures.
  • Fix Power bug, multiple tests were failing.
  • C++20 related change, use prefixed assume_aligned to avoid conflict with C++20 std::assume_aligned.

[5.4.8] 2022-09-13

  • CMake: Use non-deprecated method for finding python by @jth in #108
  • Optimize vectorscan for aarch64 by using shrn instruction by @danlark1 in #113
  • Fixed the PCRE download location by @pareenaverma in #116
  • Bugfix/hyperscan backport 202208 by @markos in #118
  • VSX optimizations by @markos in #119
  • when compiling with mingw64, use __mingw_aligned_malloc() and __mingw_aligned_free() by @liquidaty in #121
  • [NEON] simplify/optimize shift/align primitives by @markos in #123
  • Merge develop to master by @markos in #124

[5.4.7] 2022-05-05

  • Fix word boundary assertions under C++20 by @BigRedEye in #90
  • Fix all ASAN issues in vectorscan by @danlark1 in #93
  • change FAT_RUNTIME to a normal option so it can be set to off by @a16bitsysop in #94
  • Optimized and correct version of movemask128 for ARM by @danlark1 in #102

[5.4.6] 2022-01-21

  • Major refactoring of many engines to use internal SuperVector C++ templates library. Code size reduced to 1/3rd with no loss of performance in most cases.
  • Microbenchmarking tool added for performance finetuning
  • Arm Advanced SIMD/NEON fully ported. Initial work on SVE2 for a couple of engines.
  • Power9 VSX ppc64le fully ported. Initial port needs some optimization.
  • Clang compiler support added.
  • Apple M1 support added.
  • CI added, the following configurations are tested on every PR: gcc-debug, gcc-release, clang-debug, clang-release: Linux Intel: SSE4.2, AVX2, AVX512, FAT Linux Arm Linux Power9 clang-debug, clang-release: MacOS Apple M1