RE: [Linux-ia64] page size > 16KB

From: Chen, Kenneth W <>
Date: 2003-03-15 02:51:53
> 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?
Received on Fri Mar 14 07:52:08 2003

This archive was generated by hypermail 2.1.8 : 2005-08-02 09:20:12 EST