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| author | David Rowley <drowley@postgresql.org> | 2024-09-05 15:59:47 +1200 |
|---|---|---|
| committer | David Rowley <drowley@postgresql.org> | 2024-09-05 15:59:47 +1200 |
| commit | 19b861f880166fbdb67d268955e590881376f876 (patch) | |
| tree | 25a03797d3b587247396ad9ae6c495f91353eb2e /src/backend/access/gist/gistbuildbuffers.c | |
| parent | 06421b08436414b42cd169501005f15adee986f1 (diff) | |
| download | postgresql-19b861f880166fbdb67d268955e590881376f876.tar.gz postgresql-19b861f880166fbdb67d268955e590881376f876.zip | |
Speedup WindowAgg code by moving uncommon code out-of-line
The code to calculate the frame offsets is only performed once per scan.
Moving this code out of line gives a small (around 4-5%) speedup when testing
with some CPUs. Other tested CPUs are indifferent to the change.
Reviewed-by: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Reviewed-by: Tatsuo Ishii <ishii@postgresql.org>
Discussion: https://postgr.es/m/CAApHDvqPgFtwme2Zyf75BpMLwYr2mnUstDyPiP%3DEpudYuQTPPQ%40mail.gmail.com
Diffstat (limited to 'src/backend/access/gist/gistbuildbuffers.c')
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