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Thread: SSE2 tutorials

  1. #11

    SSE2 tutorials

    Ah, I thought it crashed when you tried the code in FPC. Lddqu is useful only for P4 Prescott, where it solves the cacheline split issue (some interesting reading about this: http://x264dev.multimedia.cx/?p=8) and if you're sure the data is aligned, it doesn't matter anyway.
    Btw. doesn't Delphi have an Align() function - or this is only FPC's feature?

  2. #12

    SSE2 tutorials

    Quote Originally Posted by imcold
    Ah, I thought it crashed when you tried the code in FPC. Lddqu is useful only for P4 Prescott, where it solves the cacheline split issue (some interesting reading about this: http://x264dev.multimedia.cx/?p=8) and if you're sure the data is aligned, it doesn't matter anyway.
    Btw. doesn't Delphi have an Align() function - or this is only FPC's feature?
    Afaik that is FPC only till now. Delphi has no other archs then 32-bit x86 till now.

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