Neil Conway <[EMAIL PROTECTED]> writes:
> Tom Lane wrote:
>> On the count-the-number-of-CPUs patch, what sort of coverage are you
>> expecting to get?

> I haven't yet seen a platform that doesn't provide some means to get the 
> # of CPUs, but I suppose there might be one...

It might be worth exposing the CPU count as a GUC variable.  This would
* make it easy to check on the results of the counting patch;
* make it easy to override the patch, if it's wrong on some platform;
* make it easy to experiment to see whether the spinlock behavioral
  change actually matters ;-)

But this may be overkill.

                        regards, tom lane

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