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Reply-To:	Brian DOT Inglis AT SystematicSw DOT ab DOT ca
Subject:	Re: Cygwin X11 Server slow performance
To:	cygwin AT cygwin DOT com
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From:	Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
Message-ID:	<8593bf68-d029-eddf-520b-b94565d66ff7@SystematicSw.ab.ca>
Date:	Sun, 29 Apr 2018 22:45:26 -0600
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On 2018-04-29 20:58, Yaakov Selkowitz wrote:
> On 2018-04-29 21:52, Paul Sheer wrote:
>> I am trying to use the Cygwin X11 Server on Windows 64-bit as follows:
>>       C:\cygwin64\bin>XWin.exe -ac -listen tcp
>> (Note this is on a private LAN without Internet access.)
>> The X Server renders perfectly well and my favorite applications do
>> start up and run.
>> However performance is extremely slow -- it is slightly too slow to be usable.
>> For instance I tried some graphical text editors, and a [PageDown]
>> press take 0.25 seconds to render: Whereas on a commercial X Server
>> running side-by-side on the same Windows desktop renders in <0.03
>> seconds.
>> I am a bit confused if this is intended this way: i.e. is this just a
>> demonstration of the capabilities of CygWin, or is it actually being
>> used by anyone?  I ask because there are no reports of anyone finding
>> the X Server slow, yet the software has been many years in release.
> Cygwin/X is most definitely being used, and this might help:
> https://x.cygwin.com/docs/ug/using-shared-memory.html

Running cygserver at system startup is definitely recommended any time you are
running many Cygwin services or processes, as when using Xwin, or cron.

I bumped all the thread counts in /etc/cygserver.conf by a factor of 4 for my
process loads.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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