Re: Shave a few instructions from child-process startup sequence

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От Gurjeet Singh
Тема Re: Shave a few instructions from child-process startup sequence
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Msg-id CABwTF4UDp_QyRmBtWkhSwxP0PjDj6SLBUPBt-7Gb3v6FkrigvA@mail.gmail.com
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Ответ на Re: Shave a few instructions from child-process startup sequence  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: Shave a few instructions from child-process startup sequence
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On Wed, Nov 27, 2013 at 9:12 AM, Robert Haas <robertmhaas@gmail.com> wrote:

This is a performance patch, so it should come with benchmark results
demonstrating that it accomplishes its intended purpose.  I don't see
any.

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.

Best regards,
--

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