Messages in this thread |  | | Date | Mon, 24 Sep 2001 15:02:59 +0100 | From | "Stephen C. Tweedie" <> | Subject | Re: [PATCH] Align VM locks, new spinlock patch |
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Hi,
On Fri, Sep 21, 2001 at 03:15:17PM +0200, Juergen Doelle wrote:
> 2.4.10 2.4.10 + improvement > spinlock patch by patch > > U 103.77 102.14 - 1.6% > 1 96.82 96.77 - 0.1% > 2 155.32 155.62 0.2% > 4 209.45 222.11 6.0% > 8 208.06 234.82 12.9% > > The improvement is less than in previous posted results, because the > pagemap_lru_lock and the lru_list_lock are already cacheline aligned > in 2.4.10 (2.4.9).
Do you have CPU utilisation differences for these cases, as well as pure IO bandwidth differences? It would be interesting to see just how much the IO code's internal latency impacts on the final dbench numbers.
--Stephen - 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/
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