Re: Shave a few instructions from child-process startup sequence - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Shave a few instructions from child-process startup sequence
Date
Msg-id 17586.1394296002@sss.pgh.pa.us
Whole thread Raw
In response to Re: Shave a few instructions from child-process startup sequence  (Bruce Momjian <bruce@momjian.us>)
List pgsql-hackers
Bruce Momjian <bruce@momjian.us> writes:
> On Sun, Dec  1, 2013 at 12:07:21PM -0500, Gurjeet Singh wrote:
>> Yes, this is a performance patch, but as the subject says, it saves a few
>> instructions. I don't know how to write a test case that can measure savings of
>> skipping a few instructions in a startup sequence that potentially takes
>> thousands, or even millions, of instructions.

> Are we saying we don't want this patch?

I don't --- I think it makes the code less robust for no gain worthy
of the name.
        regards, tom lane



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