DOS ain't dead

Incredibly slow MMX? (Developers)

posted by Laaca , Czech republic, 04.03.2009, 13:26

> MTRR enabled? Aligned properly? Double buffered?

Yes, MTRR is enabled. What do you meen by double buffering? In my test routine I drew into RAM (without any later copying into screen) or into visible part of VRAM.

It is aligned because VRAM is aligned always and Freepascal alignes all arrays or buffers on 16 bytes.

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DOS-u-akbar!

Complete thread:

• Incredibly slow MMX? - Laaca, 02.03.2009, 21:15 (Developers)
  • Incredibly slow MMX? - Rugxulo, 04.03.2009, 03:01
    • Incredibly slow MMX? - Laaca, 04.03.2009, 13:26
      • Incredibly slow MMX? - Rugxulo, 04.03.2009, 23:50
  • Incredibly slow MMX? - Japheth, 04.03.2009, 17:55
    • Incredibly slow MMX? - Laaca, 08.03.2009, 22:04
      • Incredibly slow MMX? - Rugxulo, 09.03.2009, 00:33
      • Incredibly slow MMX? - mht, 21.03.2009, 12:57
  • Incredibly slow MMX? - DOS386, 22.03.2009, 06:11