| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, Bernd Helmle <mailings(at)oopsware(dot)de>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: LWLock optimization for multicore Power machines |
| Date: | 2017-04-05 23:24:11 |
| Message-ID: | 5493.1491434651@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2017-04-03 11:56:13 -0700, Andres Freund wrote:
>> Have you done x86 benchmarking?
> I think unless such benchmarking is done in the next 24h we need to move
> this patch to the next CF...
In theory, inlining the _impl function should lead to exactly the same
assembly code as before, on all non-PPC platforms. Confirming that would
be a good substitute for benchmarking.
Having said that, I'm not sure this patch is solid enough to push in
right now, and would be happy with seeing it pushed to v11.
regards, tom lane
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