From: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
To: linux-ia64@vger.kernel.org
Subject: RE: [Linux-ia64] page size > 16KB
Date: Fri, 14 Mar 2003 15:51:53 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590709806097@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590709806057@msgid-missing>
> yep, I'm doing some benchmark stuff with SAP/SAPDB and the performance
> is not as good as I expected. CONFIG_HUGETLB_PAGE=y is standard on a
> SLES8 kernel (2.4.19-SMP). I changed the page size from 16K to 64K
> and the performance increase was 2-3 percent. Changing Huge TLB Page
> Size" seems not to have any effect.
> 2110715 cpu_idle 5996.3494
Get rid of this idle would give you much sizeable gain. Doesn't look like the benchmark is saturating the CPU. What is your CPU utilization rate?
next prev parent reply other threads:[~2003-03-14 15:51 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-12 16:38 [Linux-ia64] page size > 16KB Jan Schreckenbach
2003-03-12 16:55 ` Grant Grundler
2003-03-12 17:07 ` n0ano
2003-03-12 17:40 ` David Mosberger
2003-03-12 17:46 ` David Mosberger
2003-03-12 17:49 ` Jesse Barnes
2003-03-12 18:07 ` David Mosberger
2003-03-12 18:08 ` Grant Grundler
2003-03-12 18:24 ` Jesse Barnes
2003-03-12 19:51 ` Mario Smarduch
2003-03-13 18:05 ` David Mosberger
2003-03-13 20:44 ` Mario Smarduch
2003-03-14 12:33 ` Jan Schreckenbach
2003-03-14 15:51 ` Chen, Kenneth W [this message]
2003-03-14 17:33 ` Jesse Barnes
2003-03-14 18:00 ` Mario Smarduch
2003-03-14 18:17 ` Grant Grundler
2003-03-14 19:00 ` Jesse Barnes
2003-03-14 19:43 ` David Mosberger
2003-03-15 3:08 ` Seth, Rohit
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