Re: Avoid multiple calls to memcpy (src/backend/access/index/genam.c)
Ranier Vilela <ranier.vf@gmail.com>
From: Ranier Vilela <ranier.vf@gmail.com>
To: lakshmi <lakshmigcdac@gmail.com>
Cc: Bryan Green <dbryan.green@gmail.com>,
Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2026-03-20T10:58:11Z
Lists: pgsql-hackers
Hi. Em sex., 20 de mar. de 2026 às 06:50, lakshmi <lakshmigcdac@gmail.com> escreveu: > Hi, > > I tried this change on PostgreSQL (19devel) and ran a few simple tests > using pgbench to see how it behaves in practice. > > I used 10 clients and 4 threads and ran each test for 60 seconds. > > From my runs, the original version was giving around ~663 TPS with ~15.07 > ms latency. > With the patched version, I observed TPS in the range of ~638–657, > averaging around ~648 TPS, with latency slightly higher (~15.2–15.6 ms). > Thanks for the benchmark. Could you share the tests and the environment? compiler OS etc. best regards, Ranier Vilela