Re: Wierd context-switching issue on Xeon patch for 7.4.1

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, pg(at)fastcrypt(dot)com, Paul Tuckfield <paul(at)tuckfield(dot)com>, Anjan Dave <adave(at)vantage(dot)com>, Neil Conway <neilc(at)samurai(dot)com>, Dirk Lutzebäck <lutzeb(at)aeccom(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Wierd context-switching issue on Xeon patch for 7.4.1
Date: 2004-04-22 17:55:53
Message-ID: 8583.1082656553@sss.pgh.pa.us
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Josh Berkus <josh(at)agliodbs(dot)com> writes:
> This may be a moot point, since you've stated that changing the loop timing
> won't solve the problem, but what about making the test part of make? I
> don't think too many systems are going to change processor architectures once
> in production, and those that do can be told to re-compile.

Having to recompile to run on single- vs dual-processor machines doesn't
seem like it would fly.

regards, tom lane

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