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From: Alexander Lakhin <[email protected]>
To: Michael Paquier <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: MARK CALLAGHAN <[email protected]>
Cc: [email protected]
Subject: Re: benchmark results comparing versions 15.2 and 16
Date: Wed, 17 May 2023 13:00:00 +0300
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <CAFbpF8N4bVFZ+eyWFj_+fZXZFSayk2kJVtZnouUVKGHudiDrSw@mail.gmail.com>
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17.05.2023 04:25, Michael Paquier wrote:
> The numbers between f193883fc~1 and HEAD+patch are close to each
> other.  It does not seem to make the whole difference with 15.3, but
> most of it.  The difference can also be explained with some noise,
> based on the number patterns of the third runs?
>
> I have now applied the revert, ready for beta1.  Thanks for the
> feedback!
>

Thank you for paying attention to it!

Yes, I ran the benchmark on my workstation, so numbers could vary due parallel
activity. Now I've compared 15.3 (8382864eb) with d8c3106bb and 1d369c9e9,
this time with the CPU boost mode disabled:
1d369c9e9:
10007.130326, 10047.722122, 9920.612426, 10016.053846, 10060.606408
d8c3106bb:
10492.100485, 10505.326827, 10535.918137, 10625.904871, 10573.608859
15.3:
10458.752330, 10308.677192, 10366.496526, 10489.395275, 10319.458041

Best "1d369c9e9" worse than "15.3" by 4.1 percents (10060.61 < 10489.40)
Average "1d369c9e9" worse than "15.3" by 3.6 percents (10010.43 < 10388.56)

Best "d8c3106bb" better than "15.3" by 1.3 percents (10625.90 > 10489.40)
Average "d8c3106bb" better than "15.3" by 1.5 percents (10546.57 > 10388.56)

So it seems that there is nothing left on this plate.

Best regards,
Alexander

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