On Wed, 26 Mar 2008, Paul Mackerras wrote: > So the improvement in the user time is almost all due to the reduced > TLB misses (as one would expect). For the system time, using 64k > pages in the VM reduces it by about 21%, and using 64k hardware pages > reduces it by another 30%. So the reduction in kernel overhead is > significant but not as large as the impact of reducing TLB misses. One should emphasize that this test was a kernel compile which is not a load that gains much from larger pages. 4k pages are mostly okay for loads that use large amounts of small files. -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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