Re: [RFC] 4-level page table directories.

From: Robin Holt <holt_at_sgi.com>
Date: 2005-11-04 03:36:52
On Wed, Nov 02, 2005 at 05:53:10PM -0800, Chen, Kenneth W wrote:
> I just did a quick measurement with I/O submission path.  get_user_pages
> is my biggest concern that extra level means more code and cache foot
> print for each I/O submission.  It cost about 1.5% more in I/O path
> length on a micro-benchmark (from block layer and Up).  This could be
> all buried as noise in a larger scheme for industry database benchmark.

Can you point me at the benchmark?

Thanks,
Robin
-
To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Received on Fri Nov 04 03:38:08 2005

This archive was generated by hypermail 2.1.8 : 2005-11-04 03:38:17 EST