SIMD-friendly algorithms for substring searching
Sample programs for article "SIMD-friendly algorithms for substring searching" (http://0x80.pl/articles/simd-strfind.html).
The root directory contains C++11 procedures implemented using intrinsics for SSE, SSE4, AVX2, AVX512F, AVX512BW and ARM Neon (both ARMv7 and ARMv8).
The subdirectory original contains 32-bit programs with inline assembly, written in 2008 for another article.
Usage
To run unit and validation tests type make test_ARCH
, to run
performance tests type make run_ARCH
. Value ARCH
selectes
the CPU architecture:
- sse4,
- avx2,
- avx512f,
- avx512bw,
- arm,
- aarch64.
Performance results
The subdirectory results
contains raw timings from various computers.