| From: | "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> |
|---|---|
| To: | "Matthew Wakeling" <matthew(at)flymine(dot)org> |
| Cc: | "Peter Eisentraut" <peter_e(at)gmx(dot)net>, <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Calling conventions |
| Date: | 2009-07-21 14:02:02 |
| Message-ID: | 4A65840A0200002500028A50@gw.wicourts.gov |
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| Lists: | pgsql-performance |
Matthew Wakeling <matthew(at)flymine(dot)org> wrote:
> I have implemented the very same algorithm as in Postgres, emulating
> index pages and all.
> The java program uses as near an on-disc format as Postgres does -
> just held in memory instead of in OS cache.
Interesting. Hard to explain without a lot more detail. Are they
close enough in code structure for a comparison of profiling output
for both to make any sense? Have you tried switching the calling
convention yet; and if so, what impact did that have?
-Kevin
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