Re: Spinlocks, yet again: analysis and proposed patches

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