| From: | Krunal Bauskar <krunalbauskar(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Improving spin-lock implementation on ARM. |
| Date: | 2020-11-26 05:24:22 |
| Message-ID: | CAB10pyb_-mhUwWG0XFZUVVuGjUWikQ5p=CSut=CBQVfQgCXMaA@mail.gmail.com |
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On Thu, 26 Nov 2020 at 10:50, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Michael Paquier <michael(at)paquier(dot)xyz> writes:
> > On Thu, Nov 26, 2020 at 10:00:50AM +0530, Krunal Bauskar wrote:
> >> (Thanks to Amit Khandekar for rigorously performance testing this patch
> >> with different combinations).
>
> > For the simple-update and tpcb-like graphs, do you have any actual
> > numbers to share between 128 and 1024 connections?
>
> Also, exactly what hardware/software platform were these curves
> obtained on?
>
Hardware: ARM Kunpeng 920 BareMetal Server 2.6 GHz. 64 cores (56 cores for
server and 8 for client) [2 numa nodes]
Storage: 3.2 TB NVMe SSD
OS: CentOS Linux release 7.6
PGSQL: baseline = Release Tag 13.1
Invocation suite:
https://github.com/mysqlonarm/benchmark-suites/tree/master/pgsql-pbench (Uses
pgbench)
> regards, tom lane
>
--
Regards,
Krunal Bauskar
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