Re: Performance improvements for src/port/snprintf.c

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Alexander Kuzmenkov <a(dot)kuzmenkov(at)postgrespro(dot)ru>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Performance improvements for src/port/snprintf.c
Date: 2018-09-12 18:14:15
Message-ID: 15785.1536776055@sss.pgh.pa.us
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Alexander Kuzmenkov <a(dot)kuzmenkov(at)postgrespro(dot)ru> writes:
> I benchmarked this, using your testbed and comparing to libc sprintf
> (Ubuntu GLIBC 2.27-0ubuntu3) and another implementation I know [1], all
> compiled with gcc 5.

Thanks for reviewing!

The cfbot noticed that the recent dlopen patch conflicted with this in
configure.in, so here's a rebased version. The code itself didn't change.

regards, tom lane

Attachment Content-Type Size
snprintf-speedups-3.patch text/x-diff 28.3 KB

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