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  1. Received: from ftp.ardi.com (ftp.ardi.com [204.134.8.1]) by nacm.com (8.6.10/8.6.9) with SMTP id JAA07740 for <executor@nacm.com>; Tue, 5 Dec 1995 09:13:19 -0800
  2. Received: from ardi.com by ftp.ardi.com
  3.     (Smail3.1.29.1 #3) id m0tN0vV-0007qAn; Tue, 5 Dec 95 10:13 MST
  4. Newsgroups: comp.emulators.mac.executor
  5. Path: sloth.swcp.com!tesuque.cs.sandia.gov!ferrari.mst6.lanl.gov!newshost.lanl.gov!ncar!gatech!news.mathworks.com!news.kei.com!wang!uunet!in1.uu.net!cygnus.com!kithrup.com!mrs
  6. From: mrs@kithrup.com (Mike Stump)
  7. Subject: Re: Executor usefulness?
  8. Organization: Kithrup Enterprises, Ltd.
  9. Message-ID: <DJ2s9I.13r@kithrup.com>
  10. References: <49hrhc$vm@leepai.cs.purdue.edu> <49skep$r2q@hearst.cac.psu.edu> <49ssst$kab@tribune.usask.ca> <s5gka4dvpeg.fsf@catfish.lcs.mit.edu>
  11. Date: Mon, 4 Dec 1995 18:48:53 GMT
  12. Lines: 12
  13. To: executor@nacm.com
  14. X-MailNews-Gateway: From newsgroup comp.emulators.mac.executor
  15. Sender: owner-paper@nacm.com
  16. Precedence: bulk
  17.  
  18. In article <s5gka4dvpeg.fsf@catfish.lcs.mit.edu>,
  19. Patrick J. LoPresti <patl@lcs.mit.edu> wrote:
  20. >  
  21. >I would add that performance under SVGAlib is *significantly* better
  22. >than under X (assuming linear frame buffer support exists for your
  23. >video card).  X is particularly poorly suited for emulating
  24. >applications which avoid the Mac ROMs and try to scribble directly to
  25. >screen memory.
  26.  
  27. Quite a few X servers permit use of an extension call shared memory, that
  28. permits an application to write directly to the screen's video RAM.  Performace
  29. doesn't have to be bad.
  30.  
  31.