Re: Spinlocks, yet again: analysis and proposed patches

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Spinlocks, yet again: analysis and proposed patches
Date: 2005-09-12 04:12:46
Message-ID: 12656.1126498366@sss.pgh.pa.us
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"Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu> writes:
> Some changes are based on tests and heuristics, so can we make them into the
> configure script so the choice could be made automatically?

It's a bit premature to propose that, when we don't yet know if the
suggested changes are a win or loss under any conditions, let alone
how to automatically tell the difference. Right now we are in the
find-out-the-facts mode ...

regards, tom lane

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