Messages in this thread | | | Date | Sun, 23 Mar 2003 23:27:59 -0800 | From | William Lee Irwin III <> | Subject | Re: 2.5.65-mm4 |
| |
On Sun, Mar 23, 2003 at 11:17:16PM -0800, Andrew Morton wrote: > In the case of ext2 the codepath which needs to be locked is very small, and > converting it to use a per-blockgroup spinlock was a big win on the 16-way > numas, and perhaps 8-way x440's. On 4-way xeon and ppc64 the effects were > very small indeed - 1.5% on xeon, zero on ppc64.
And also very large on 32x NUMA-Q.
-- wli - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |