• Fiona Glaser's avatar
    Initial Nehalem CPU optimizations · 1bf7228f
    Fiona Glaser authored
    movaps/movups are no longer equivalent to their integer equivalents on the Nehalem, so that substitution is removed.
    Nehalem has a much lower cacheline split penalty than previous Intel CPUs, so cacheline workarounds are no longer necessary.
    Thanks to Intel for providing Avail Media with the pre-release Nehalem CPU needed to prepare these (and other not-yet-committed) optimizations.
    Overall speed improvement with Nehalem vs Penryn at the same clock speed is around 40%.