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    SubjectRe: [PATCH] PPC64 iSeries: cleanup viopath
    On Tue, Mar 15, 2005 at 11:43:10AM -0600, Linas Vepstas wrote:
    > FWIW, keep in mind that a cache miss due to large structures not fitting
    > is a zillion times more expensive than byte-aligning in the cpu
    > (even if byte operands had a cpu perf overhead, which I don't think
    > they do on ppc).

    Actually, there is a small overhead to bytes if you make them signed.
    That's why char is unsigned by default on ppc.

    Brad Boyer

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