Messages in this thread | | | Date | Mon, 31 May 1999 02:04:59 +0200 | From | Ralf Baechle <> | Subject | Re: Q: PAGE_CACHE_SIZE |
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On Sun, May 30, 1999 at 07:53:39PM -0400, Emil Briggs wrote:
> I've done benchmarks of this type on the Origin2000 with IRIX 6.5 and > the page size can have a big effect on performance. It's very easy to > experiment since individual users can select the page size used by their > application for code, data, and stack. I don't know how the OS deals > with that though. Seems like it could be a tricky thing to do.
HP and one year later SGI have published papers about that topic on USENIX. They however are mostly tackeling the issue with TLB reloads which severly can impact system performance for certain types of workloads.
It's however not what I was refering to. I want to see how changing the the size of the basic page to a different value, something that affects all processes and the kernel.
Ralf
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