On Wed, 28 Mar 2007, William Lee Irwin III wrote: > Getting the relevant results without tremendous amounts of noise from > other kernel activity needs something like lmbench's fault and fork() > microbenchmarks. Also, /proc/profile and/or oprofile results would be > useful here to get useful notions of what's happening performancewise, > in particular oprofile with L2 cache miss performance counters.
The machine had a minimal debian root and it was run on a serial console. > it's in the noise. PMD and PTE caching are only pertinent to fork() > anyway, so the vast majority of your workload is unaffected, and it's I'd be interested to see some numbers here. I still believe the situation to be better on IA64 and other platforms due to the larger page sizes containing many more cachelines which should make the effect bigger. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
