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Date: Wed, 27 Nov 2002 18:36:24 -0500
From: Christopher Faylor <cgf-noreply AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: pipe performance problem
Message-ID: <20021127233624.GK17798@redhat.com>
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On Wed, Nov 27, 2002 at 10:39:05PM +0100, thomas wrote:
>10 ms delay, and there's many of them. Exactly every 612 lines or every
>34816 bytes (34kb). Which is about 210 seconds delay on a 700MB file.

If there is no data in a pipe it can wait for 10ms waiting for it, yes.

See ready_for_read/peek_pipe in select.cc.

cgf
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