Why do 3Dnow! idct tests fail on my Athlon

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  • kcl
    Junior Member
    Junior Member
    • Jan 2002
    • 1

    Why do 3Dnow! idct tests fail on my Athlon

    Hi,

    I use FlaskMpeg0.6 and Xmpeg4.2a, DivX4.12 and encode on an
    Athlon 1.4Ghz however ALL the 3DNow idct tests fail the
    IEEE-1180 tests including MCMAB 3dnow idcts. Is there something
    else I am missing to enable 3dnow? I can use the MMX and x87
    idcts fine.

    Cheers
  • AnubisJJ
    Junior Member
    Junior Member
    • Jan 2002
    • 1

    #2
    Actually, the 3dnow! idct implementation is buggy, and outside idct specs, that's why it fails.

    - Josh

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