• Yokemate of Keyboards
    Yokemate of Keyboards
    Andreas_Wolf
    Posts: 9433 from 2003/5/22
    From: Germany
    > Which means we need to go back to in-order PPC processors

    In-order execution doesn't preclude speculative execution (branch prediction etc.).

    http://morph.zone/modules/newbb_plus/viewtopic.php?forum=3&topic_id=7183&start=272

    > IBM had some cool cpus built for the PS3 and the Xbox360 that were in-order.

    ...and the POWER6 as well (which can do speculative execution, though, so is vulnerable). But yes, Cell BE and Xenon/XCGPU may not be able to do speculative execution in which case they wouldn't be vulnerable.
  • »05.01.18 - 21:15
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