gstvg opened a new pull request, #8967: URL: https://github.com/apache/arrow-rs/pull/8967
# Which issue does this PR close? Part of https://github.com/apache/arrow-rs/issues/279, related to https://github.com/apache/arrow-rs/issues/8879 # Rationale for this change ``` take bool 512 time: [360.27 ns 360.48 ns 360.69 ns] change: [−36.426% −36.251% −36.137%] (p = 0.00 < 0.05) Performance has improved. take bool 1024 time: [468.75 ns 470.56 ns 474.14 ns] change: [−54.442% −54.266% −54.083%] (p = 0.00 < 0.05) Performance has improved. take bool 8192 time: [3.0099 µs 3.0481 µs 3.0882 µs] change: [−59.645% −59.419% −59.186%] (p = 0.00 < 0.05) Performance has improved. ``` # What changes are included in this PR? Vectorized take_bits for indices without nulls (https://rust.godbolt.org/z/YnqnqccMK) Bitmask packing with intrinsics for sse2/avx2 (generic enough to be used in other parts of the code) # Are these changes tested? Currently no, tests will be added if this PR is decided to move forward -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
