public inbox for [email protected]  

help / color / mirror / Atom feed

From: Michael Paquier <[email protected]>
To: Andres Freund <[email protected]>
Cc: Alexander Lakhin <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: MARK CALLAGHAN <[email protected]>
Cc: [email protected]
Subject: Re: benchmark results comparing versions 15.2 and 16
Date: Tue, 16 May 2023 09:42:31 +0900
Message-ID: <ZGLRd9RRx/[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <CAFbpF8N4bVFZ+eyWFj_+fZXZFSayk2kJVtZnouUVKGHudiDrSw@mail.gmail.com>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>

On Mon, May 15, 2023 at 05:14:47PM -0700, Andres Freund wrote:
> On 2023-05-15 14:20:24 +0900, Michael Paquier wrote:
>> On Thu, May 11, 2023 at 01:28:40PM +0900, Michael Paquier wrote:
>> Extreme is adapted for a worst-case scenario.  Looking at my notes
>> from a few months back, that's kind of what I did on my laptop, which
>> was the only machine I had at hand back then:
>> - Compilation of code with -O2.
> 
> I assume without assertions as well?

Yup, no assertions.

> 45k seems too low for a modern machine, given that I get > 80k in such a
> workload, on a workstation with server CPUs (i.e. many cores, but not that
> fast individually).  Hence wondering about assertions being enabled...

Nope, disabled.

> I get quite variable performance if I don't pin client / server to the same
> core, but even the slow performance is faster than 45k.

Okay.  You mean with something like taskset or similar, I guess?
--
Michael


Attachments:

  [application/pgp-signature] signature.asc (833B, ../ZGLRd9RRx%[email protected]/2-signature.asc)
  download

view thread (5+ messages)  latest in thread

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected]
  Subject: Re: benchmark results comparing versions 15.2 and 16
  In-Reply-To: <ZGLRd9RRx/[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox