Re: [HACKERS] Fix performance of generic atomics

On 5 September 2017 at 21:23, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Jeff Janes <jeff.janes@gmail.com> writes:
>> What scale factor and client count? How many cores per socket?  It looks
>> like Sokolov was just starting to see gains at 200 clients on 72 cores,
>> using -N transaction.

...
> Moreover, it matters which primitive you're testing, on which platform,
> with which compiler, because we have a couple of layers of atomic ops
> implementations.
...

I think Sokolov was aiming at 4-socket servers specifically, rather
than as a general performance gain.

If there is no gain on 2-socket, at least there is no loss either.

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