| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> |
| Cc: | pgsql-committers <pgsql-committers(at)postgresql(dot)org> |
| Subject: | Re: pgsql: Improve 64bit atomics support. |
| Date: | 2017-04-08 00:19:09 |
| Message-ID: | 20170408001909.epnw3vnp2g5thpaf@alap3.anarazel.de |
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On 2017-04-08 02:16:34 +0300, Alexander Korotkov wrote:
> On Sat, Apr 8, 2017 at 12:50 AM, Andres Freund <andres(at)anarazel(dot)de> wrote:
>
> > Additionally optimize reads/writes to 64bit on a number of platforms
> > where aligned writes of that size are atomic. This can now be tested
> > with PG_HAVE_8BYTE_SINGLE_COPY_ATOMICITY.
> >
>
> BTW, PG_HAVE_8BYTE_SINGLE_COPY_ATOMICITY is never used.
>
> It's likely you meant something like this.
Gah, indeed. Pushed a fix, but you're more than welcome to verify...
- Andres
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