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Date: Fri, 11 Jun 2004 15:10:31 -0500
From: Brian Ford <ford AT vss DOT fsi DOT com>
Reply-To: cygwin AT cygwin DOT com
To: fergus AT bonhard DOT uklinux DOT net
cc: cygwin AT cygwin DOT com
Subject: Re: wish84: incredibly slow
In-Reply-To: <200406081540.i58FeTgN014167@mailgw01.flightsafety.com>
Message-ID: <Pine.CYG.4.58.0406111507540.3560@fordpc.vss.fsi.com>
References: <200406081540 DOT i58FeTgN014167 AT mailgw01 DOT flightsafety DOT com>
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On Tue, 8 Jun 2004, fergus wrote:

> I have been using Cygwin on a very slow Toshiba. By which I mean one can
> sometimes wait 1 or 2 or 3 secs for what appears instantaneous on other
> machines. But wish84 requires geological time to respond, as in:
>
> -- at the bash or rxvt or xterm prompt:
>
>         $ wish  # delay 25 secs for panel to appear
>         $ wish  # delay 25 secs for panel to appear
>         $ wish  # delay 5 secs for panel to appear
>
> and thereafter, 5 secs' delay.
>
> Incidentally, I might have understood "all responses slow", "all responses
> fast", "1st slow, subsequent fast" but I find "1st and 2nd responses slow,
> subsequent fast" extremely odd?
>
> I have tried strace -o wish.log /bin/wish84 but get a file an amazing 7000
> lines long. In any case, I'm not asking you to crack my problems for me, I'm
> just wondering at this stage whether a wish84 expert can say "Yes, that's
> the way wish84 behaves and must behave: on an old machine the time lag is
> accentuated".

Sort wish.log on the first colum and see what calls took the longest
delta.

-- 
Brian Ford
Senior Realtime Software Engineer
VITAL - Visual Simulation Systems
FlightSafety International
the best safety device in any aircraft is a well-trained pilot...

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