Based of my measurement on i386 smp configuration,
If a system has plenty of runnable tasks, schedule() produces
noticable amount of cache misses at runqueue-head traversing and the
goodness calculations.
David S. Miller writes:
> Some of us actually have instrumented it :-) I added a coloring
> mechanism to the task/kstack allocator on sparc64. It made no
> noticable difference whatsoever to any real life measurement I
> attempted.
Did you slide task-struct itself?
-- Computer Systems Laboratory, Fujitsu Labs. kumon@flab.fujitsu.co.jp - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sun Oct 15 2000 - 21:00:15 EST