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Date: Mon, 6 Jun 2016 20:05:32 +0900
From: Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
To: cygwin AT cygwin DOT com
Subject: Re: Vim responds too slow on the latest snapshot of cygwin1.dll
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Hi Corinna,

> Just as John I can't reproduce this.  What OS version do you run this
> on, and is it 32, 32 under WOW64, or 64 bit?

OS: Windows 7 (64bit)
Cygwin: Both 32bit and 64bit

I have tested on two Win7 machines, and the problem
occurs on both machines.

Further, this problem occurs in Windows 7, but does
not occur in Windows 10, as far as I tested.

Can you possibly test on Win7 machine?


On Mon, 6 Jun 2016 10:43:28 +0200
Corinna Vinschen  wrote:

> On Jun  6 00:33, Takashi Yano wrote:
> > Hello, everyone.
> > 
> > I tested the latest snapshot of cygwin1.dll, and
> > noticed that vim editor respond too slow on it.
> > 
> > When I open some file with vim, the text appears
> > after a few seconds. ^F and ^B keys also update
> > the screen very slowly.
> 
> This is what is being discussed in the thread starting at
> https://cygwin.com/ml/cygwin/2016-05/msg00327.html
> 
> Just as John I can't reproduce this.  What OS version do you run this
> on, and is it 32, 32 under WOW64, or 64 bit?
> 
> > I tried to bisect the problem, and found that this
> > problem occurs after :
> > 
> > commit e5665d8c930485d5ac6d8913573e27b9e5043d92
> > Author: John Hood <cgull AT glup DOT org>
> > Date:   Wed May 18 19:14:17 2016 -0400
> > 
> >     Improve and simplify select().
> > 
> >     * select.h: Eliminate redundant select_stuff::select_loop state.
> >     * select.cc (select): Eliminate redundant
> >       select_stuff::select_loop state.  Eliminate redundant code for
> >       zero timeout.  Do not return early on early timer return.
> >       (select_stuff::wait): Eliminate redundant
> >       select_stuff::select_loop state.
> > 
> > I hope this problem will be fixed before release.
> 
> Me, too, especially since we're going to have to release 2.5.2 this week.
> 
> If we don't have a solution I'll revert this patch for 2.5.2 and we can
> reapply and improve it for 2.6 then.  Of course it would be nicer to
> have a fix :}
> 
> 
> Thanks,
> Corinna
> 
> -- 
> Corinna Vinschen                  Please, send mails regarding Cygwin to
> Cygwin Maintainer                 cygwin AT cygwin DOT com
> Red Hat


-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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