> On 01/12/2020, 19:08, "Alexander Korotkov" wrote:
>BTW, what number of clients did you use? I can't find it in your message.
Sure. Important params seem to be:
Pgbench:
Clients: 256
pgbench_jobs : 32
Scale: 1000
fill_factor: 90
Postgresql:
shared buffers: 31GB
max_connections: 1024
T
> On 01/12/2020, 16:59, "Alexander Korotkov" wrote:
> On Tue, Dec 1, 2020 at 1:10 PM Amit Khandekar wrote:
> > FWIW, here is an earlier discussion on the same (also added the
>> proposal author here) :
Thanks for looping me in!
>>
>>
> https://www.postgresql.org/message-id/flat/
On 29/09/2020, 10:21, "Heikki Linnakangas" wrote:
> If it's a good idea to use -moutline-atomics, I would expect the
> compiler or distribution to enable it by default. And as you pointed
> out, many have.
-moutline-atomics is only enabled by default on the gcc-10 branch where
it w
On 08/09/2020, 1:01, "Tom Lane" wrote:
> I wonder what version of gcc you intend this for. AFAICS, older
> gcc versions lack this flag at all, while newer ones have it on
> by default.
(previously sent private reply, sorry)
The moutline-atomics flag showed substantial enough impro
Hello!
First, I apologize for taking so long to answer. This e-mail regretfully got
lost in my inbox.
On 24/07/2020, 4:17, "Andres Freund" wrote:
> What does "not significantly affected" exactly mean? Could you post the
> raw numbers?
The following tests show benchmark behavior on m6
On 01/07/2020, 18:40, "Zidenberg, Tsahi" wrote:
> Outline-atomics is a gcc compilation flag that adds runtime detection of
> weather or not the cpu
> supports atomic instructions. CPUs that don't support atomic instructions
> will use the old
> load-exclusive/st
