Re: Spinlocks, yet again: analysis and proposed patches

"Tom Lane" <tgl@sss.pgh.pa.us> wrote
>
> My proposal therefore is to do #2, #3, and #4, and to modify the TAS
> assembly code at least on x86_64.  Together, these changes bring
> my test case on a 4-way Opteron from
>

Some changes are based on tests and heuristics, so can we make them into the 
configure script so the choice could be made automatically?

Regards,
Qingqing