Horton

Re: profiling connection overhead

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Andres Freund <andres@anarazel.de>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Bruce Momjian <bruce@momjian.us>, pgsql-hackers@postgresql.org, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Date: 2010-11-29T17:34:02Z
Lists: pgsql-hackers 
On Mon, Nov 29, 2010 at 12:24 PM, Andres Freund <andres@anarazel.de> wrote:
> Hm. A quick test shows that its quite a bit faster if you allocate memory
> with:
> size_t s = 512*1024*1024;
> char *bss = mmap(0, s, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_POPULATE|
> MAP_ANONYMOUS, -1, 0);

Numbers?

-- 
Robert Haas
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