Re: Experienced Advice needed urgently: DOSEMU

[Ivan Baldo <ibaldo@adinet.com.uy>]

  Hello.
Maybe try changing the value of the HogThreshold configuration option, 
or use the speed command under the DOS session.
First try the value 1, then the value 2, then the value 7, then the value 0.
If it doesn't work with that, then try a 32 bits Kernel instead of a 64 
bits one, since the 64 bits one requires the use of CPU emulation and 
may be slower.
Otherwise you may try to use QEmu, KVM, VirtualBox OSE, etc. (machine 
virtualization solutions), if you go the virtualization route, you may 
need a "DOS Idle" program to release the CPU when not needed while 
waiting for a keystroke.
Hope this helps, best wishes!

P.s.: didn't answer earlier because I wanted to see if someone else with 
better experience would answer first, and then forgot about this email 
entirely, sorry.



El 28/08/08 13:47, Shaw Tong Tan escribió:
> Background info
>
> 0.  CentOS 5.2 i386
> 1.  Clipper-based program.  No source.
> 2.  DOS program 100% CPU hog.  Tested various software tools, only official citrix dpakbd seems to work slightly, but user request improvement.
>
> Question :
> Is DOSEMU capable of practical usage in such manner as below.
>
> (I have a working setup with 2 sessions, but unsure when it scale up)
>
> 1.  User login through ssh client on Windows XP
> 2.  Total 16 active DOSEMU/Clipper sessions on 1 server.
>
> my previous results, I use processor affinity control to force DOSEMU to run on 1-core.  I found 4-instances dosemu/clipper on 1-core, program erratic behavior and frequent hangup.  less than 4 instances per core seems OK.
>
> Thank you for your kind suggestion
>
>
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>   

-- 
Ivan Baldo - ibaldo@adinet.com.uy - http://ibaldo.codigolibre.net/
From Montevideo, Uruguay, at the south of South America.
Freelance programmer and GNU/Linux system administrator, hire me!
Alternatives: ibaldo@codigolibre.net - http://go.to/ibaldo

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