Re: Spinlocks, yet again: analysis and proposed patches

Michael Paesold <mpaesold@gmx.at>

From: "Michael Paesold" <mpaesold@gmx.at>

To: "Min Xu (Hsu)" <xu@cs.wisc.edu>, "Tom Lane" <tgl@sss.pgh.pa.us>

Cc: <pgsql-hackers@postgresql.org>

Date: 2005-09-14T07:15:54Z

Lists: pgsql-hackers

Tom Lane wrote:

> But the cmpb instruction in the 8.0 version of TAS would have done that,
> and I think we've already established that the cmpb is a loss on most
> machines (except maybe single-physical-CPU Xeons).

Note that this was a regular Pentium 4 system, not a Xeon.

Best Regards,
Michael Paesold