DOS ain't dead - Incredibly slow MMX?

Incredibly slow MMX? (Developers)

posted by Japheth , Germany (South), 04.03.2009, 17:55

> Hell, do I something fundamentaly wrong?

Probably yes. AFAICS your mmx code does read from vram, while your 386 code avoids this. Reading vram is a bad idea, because it's VERY slow, even with modern cards.

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MS-DOS forever!

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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