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    SubjectRe: smp overhead, and rwlocks considered harmful
    Aaron Lehmann <aaronl@vitelus.com> wrote:
    >
    > On Sat, Mar 22, 2003 at 05:58:16PM -0800, Andrew Morton wrote:
    > >
    > > I've been looking at the CPU cost of the write() system call. Time how long
    > > it takes to write a million bytes to an ext2 file, via a million
    > > one-byte-writes:
    >
    > Are you using a sysenter-capable C library?

    No. That would certainly help the numbers.

    But it is unrelated to the lock overhead problem.

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