| From: | Ranier Vilela <ranier(dot)vf(at)gmail(dot)com> |
|---|---|
| To: | lakshmi <lakshmigcdac(at)gmail(dot)com> |
| Cc: | Bryan Green <dbryan(dot)green(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Avoid multiple calls to memcpy (src/backend/access/index/genam.c) |
| Date: | 2026-03-20 10:58:11 |
| Message-ID: | CAEudQAoF2xfpA7tgW3gusg0dyMTwTDDwAzBqR_bbv08NBkqv-A@mail.gmail.com |
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| Lists: | pgsql-hackers |
Hi.
Em sex., 20 de mar. de 2026 às 06:50, lakshmi <lakshmigcdac(at)gmail(dot)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
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