From:	bje AT air DOT net DOT au (Ben Elliston)
Subject:	Performance
3 May 1997 09:41:26 -0700 :
Approved:	cygnus DOT gnu-win32 AT cygnus DOT com
Distribution:	cygnus
Message-ID:	<Pine.LNX.3.95.970503180007.269B-100000.cygnus.gnu-win32@mailhub.air.net.au>
Mime-Version:	1.0
Original-To:	gnu-win32 AT cygnus DOT com
Original-Sender:	owner-gnu-win32 AT cygnus DOT com

Someone on another mailing list suggested the applications ported to Win32
using Cygwin are not up to scratch.

I don't understand why this might be: the compiler produces native x86
(and presumably very good!) code for the user space code and for UNIX
system calls, they would be handled by the DLL with a secondary call into
the Windows kernel.

Does anyone have any performance comparisons between "Cygwin" apps and
native Win32 applications?  Is there any real performance penalty for
software with a high proportion of system calls?

Thanks,
Ben

---
Ben Elliston
<bje AT air DOT net DOT au>

"For my birthday I got a humidifier and a de-humidifier. I put them in the same
 room and let them fight it out." -- Steven Wright

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