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Mail Archives: cygwin/2001/02/13/15:47:14

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Date: Tue, 13 Feb 2001 15:25:28 -0500
Message-Id: <200102132025.PAA09579@envy.delorie.com>
X-Authentication-Warning: envy.delorie.com: dj set sender to dj AT envy DOT delorie DOT com using -f
From: DJ Delorie <dj AT delorie DOT com>
To: jik-cygwin AT curl DOT com
CC: cygwin AT cygwin DOT com
In-reply-to: <20010213195439.17755.qmail@lizard.curl.com>
(jik-cygwin AT curl DOT com)
Subject: Re: Optimizing away "ReadFile" calls when Make calls stat()
References: <20010213183634 DOT 1435 DOT qmail AT lizard DOT curl DOT com> <3A89867C DOT 395FC4E3 AT yahoo DOT com> <20010213191450 DOT 15506 DOT qmail AT lizard DOT curl DOT com> <3A898FA0 DOT 6895B5CA AT yahoo DOT com> <20010213195439 DOT 17755 DOT qmail AT lizard DOT curl DOT com>

> if they speed up Cygwin significantly, why aren't the people who
> precompile Cygwin for download using those switches by default?

Because using those switches when you shouldn't results in incorrect
behavior.  The defaults are *always* right, at the expense of speed.

> Win32 is slower, but not THAT much slower.

Actually, it is.  I did some benchmarks using the native Win32 API
directly, and Linux is way faster.

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