Re: Regress tests to improve the function coverage of schemacmds and user and tablespace files

From: Haribabu kommi <haribabu(dot)kommi(at)huawei(dot)com>
To: David Rowley <dgrowleyml(at)gmail(dot)com>
Cc: Kevin Grittner <kgrittn(at)ymail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Regress tests to improve the function coverage of schemacmds and user and tablespace files
Date: 2013-11-26 13:27:08
Message-ID: 8977CB36860C5843884E0A18D8747B0372BEFF86@szxeml558-mbs.china.huawei.com
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On 24 November 2013 03:04 David Rowley wrote:
>I've done a quick benchmark on this this morning.
>Note that I'm using windows here and I used powershell to time the regression run with the following command:
>
>PS D:\Postgres\b\src\tools\msvc> Measure-Command { .\vcregress.bat check }
>
>I ran the tests 10 times each.
>I ran the patched version first, then just did git reset --hard to revert the patched changes then I ran the tests again.
>
>The average and median results over the 10 runs are as follows:
>
> Patched Unpatched Time increased by
>Average 48.23265888 47.70979854 101.10%
>Median 47.8993686 47.51177815 100.82%
>
>
>The slowdown is not too bad. It just around 1% increase of time.
>
>I've attached the results in spreadsheet format.

Thanks for the review and benchmark test.

Regards,
Hari babu.

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