On Wed, 28 Jul 2021 at 01:44, Alvaro Herrera <alvhe...@alvh.no-ip.org> wrote: > So how much faster is it than the original?
I only did some very quick tests. They're a bit noisey. The results indicate an average speedup of 1.7%, but the noise level is above that, so unsure. create table a (a int); insert into a select a from generate_series(1,1000000)a; vacuum freeze a; bench.sql: copy a to '/dev/null'; master @ 93a0bf239 drowley@amd3990x:~$ pgbench -n -f bench.sql -T 60 postgres latency average = 153.815 ms latency average = 152.955 ms latency average = 147.491 ms master + v2 patch drowley@amd3990x:~$ pgbench -n -f bench.sql -T 60 postgres latency average = 144.749 ms latency average = 151.525 ms latency average = 150.392 ms David
