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From: "Dave Korn" <dave DOT korn AT artimi DOT com>
To: <cygwin AT cygwin DOT com>
Subject: RE: cygwin Perl 5x slower than ActiveState?
Date: Mon, 24 Apr 2006 18:23:00 +0100
Message-ID: <043601c667c3$bcc07150$a501a8c0@CAM.ARTIMI.COM>
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On 24 April 2006 18:17, Christopher Faylor wrote:

> On Mon, Apr 24, 2006 at 05:51:41PM +0100, Dave Korn wrote:
>> On 24 April 2006 16:53, Neil E. Deeds wrote:
>>> Anyone have an idea as to why Perl runs this code so much slower under
>>> Cygwin?
>> 
>> Look up "emulation layer" in any good technical dictionary :)
> 
> But, you forget.  Cygwin is emulating linux and linux is faster than
> Windows.

  That feature isn't implemented yet.  PTC though!

> Dave, you have to think about these things before you just fire off
> email!
> 
> The real solution here is to just make sure that all of the time
> functions in Cygwin report figures which support the fact that Cygwin is
> as fast as Linux.

  Cygwin already *is* four times faster than windows, but it's implemented in
scaled-down step time.  One second for cygwin is about equivalent to pi
microfortnights on a real linux system.

    cheers,
      DaveK
-- 
Can't think of a witty .sigline today....


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