Messages in this thread | | | From | "Anthony Barbachan" <> | Subject | Re: Undersized L2 cache: any tricks? | Date | Wed, 17 Mar 1999 01:22:43 -0500 |
| |
>> 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.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |