4 ms·
My extremely unscientific test had PCRE2 being quite a bit slower - 1 second vs 0.2 seconds to search through 10k files - ie, slower, but still pretty darn fast
by dagenix 8y ago
My extremely unscientific test had PCRE2 being quite a bit slower - 1 second vs 0.2 seconds to search through 10k files - ie, slower, but still pretty darn fast.
- burntsushi 8y agoThat feels like it's in about the right ballpark based on my own tests. You can make it go a bit faster if you're using nightly Rust and compile with SIMD optimizations: RUSTFLAGS="-C target-cpu=native" cargo build --release --features 'simd-accel avx-accel pcre2' In particular, this enables SIMD optimizations in the crate ripgrep uses for decoding UTF-8, which is required to run on all files in order to use PCRE2 in Unicode mode. (Eventually, I'm hoping the SIMD optimizations in the encoding_rs crate move to using runtime detection like the regex crate instead of requiring compile time flags.) Or alternatively, disable Unicode with `--no-pcre2-unicode` and no transcoding will be done. :-)
- dagenix 8y agoI installed with: PCRE2_SYS_STATIC=1 RUSTFLAGS="-C target-cpu=native" rustup run nightly cargo install ripgrep --force --features 'simd-accel avx-accel pcre2' `--no-pcre2-unicode` sped it up a little. But, it was already quite fast. Great work on ripgrep and thanks for such an amazing tool!