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

From: Andres Freund <andres(at)anarazel(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>, Alexander Kuzmenkov <a(dot)kuzmenkov(at)postgrespro(dot)ru>
Subject: Re: Performance improvements for src/port/snprintf.c
Date: 2018-10-03 17:36:39
Message-ID: 20181003173639.tncawup2nnkp7vbv@alap3.anarazel.de
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

Hi,

On 2018-10-03 13:31:09 -0400, Tom Lane wrote:
> I do not see the point of messing with snprintf.c here. I doubt that
> strfromd is faster than the existing sprintf call (because the latter
> can use ".*" instead of serializing and deserializing the precision).

I'm confused, the numbers I posted clearly show that it's faster?

Greetings,

Andres Freund

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Andres Freund 2018-10-03 17:39:36 Re: Performance improvements for src/port/snprintf.c
Previous Message Tom Lane 2018-10-03 17:31:09 Re: Performance improvements for src/port/snprintf.c