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Mail Archives: cygwin/2001/07/13/22:23:05

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Date: Fri, 13 Jul 2001 19:22:53 -0700
To: "jorgens AT coho DOT net" <jorgens AT coho DOT net>,
"Cygwin List (E-mail)" <cygwin AT cygwin DOT com>
From: Randall R Schulz <rrschulz AT cris DOT com>
Subject: Re: Curious - why Cygwin Bash so much faster in rxvt than
Windows CLI?
In-Reply-To: <01C10BCD.8EE55540.jorgens@coho.net>
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Steve,

 From BASH in a Windows Character Subsystem window:

% time ls -lR /
<lots of elided output>
real    1m27.782s
user    0m7.296s
sys     0m23.608s

% tsize
rows 93; columns 120


 From BASH in RXVT:

% time ls -lR /
<lots of elided output>
real    1m33.360s
user    0m6.765s
sys     0m31.561s

% tsize
rows 100; columns 120


% time ll -lR / |wc
   20812  173469 1309196

real    0m29.375s
user    0m5.982s
sys     0m23.169s


In both cases the window was unobstructed. I have a Matrox G400 MAX.

It's evident visually that the scrolling algorithm is somehow different, 
though I can't say how, really.

Nonetheless, there isn't much real difference in performance, at leat on my 
system.

Randall Schulz


At 18:56 2001-07-13, Steve Jorgensen wrote:
>The subject kind of says it all.  The Windows command processor runs plenty
>fast in the Windows CLI, but Cygwin Bash output crawls.  On the other hand,
>Cygwin Bash runs screaming fast in rxvt.  I'm impressed with the rxvt speed
>- the W libraries must be pretty efficient.


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