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....@gmail.com> Reviewed-by: Tatsuo Ishii <is...@postgresql.org> Discussion: https://postgr.es/m/CAApHDvqPgFtwme2Zyf75BpMLwYr2mnUstDyPiP%3DEpudYuQTPPQ%40mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/19b861f880166fbdb67d268955e590881376f876 Modified Files -------------- src/backend/executor/nodeWindowAgg.c | 140 +++++++++++++++++++---------------- 1 file changed, 78 insertions(+), 62 deletions(-)
