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    SubjectRe: Undersized L2 cache: any tricks?
    Date
    >> Some co-workers of mine have put together an x86-based system on which to
    >> run Linux, which has 256MB physical memory and 512k L2 cache. The
    >> processor is something like an AMDK6 3XXMhz or Pentium equivalent. To no
    >> surprise, the system runs slower with the full 256MB than it does with
    >> 64MB, I'm guessing due to the undersized cache. The problem is that the
    >> mainboard is apparently only capable of 512K of L2 cache. I am not an
    >> expert in memory/cache-related stuff, but my guess is that there is no
    >> performance solution other than to decrease the physical memory (or get a
    >> new mainboard). The kernel is 2.0. Are there any other options?
    >>
    >
    >The slram patch at http://www.andrew.cmu.edu/~keryan/slram/ will let you
    >use it as swap/ramdisk but will probably not be very useful because
    >demand-paged executables will be continually reread off of disk.
    >
    >A VIA MVP3-based motherboard is one option; I believe that most of the
    >boards that have 1MB cache will cache 256MB (and no more) but YMMV so
    >check with the manufacturer first.
    >
    >

    The new ATX motherboard from FIC based on this chipset is even better, 2MB
    L2 (L3 if AMD K6-3) cache.



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