Messages in this thread | | | From | Jesse Barnes <> | Subject | Re: Hugepages demand paging V2 [0/8]: Discussion and overview | Date | Tue, 26 Oct 2004 09:44:21 -0700 |
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On Tuesday, October 26, 2004 7:35 am, Robin Holt wrote: > Sorry for being a stickler here, but the BTE is really part of the > I/O Interface portion of the shub. That portion has a seperate clock > frequency from the memory controller (unfortunately slower). The BTE > can zero at a slightly slower speed than the processor. It does, as > you pointed out, not trash the CPU cache.
I guess I was getting ahead of myself :). I knew that it was part of the II but didn't know it had a slower clock frequency than the MD.
> One other feature of the BTE is it can operate asynchronously from > the cpu. This could be used to, during a clock interrupt, schedule > additional huge page zero filling on multiple nodes at the same time. > This could result in a huge speed boost on machines that have multiple > memory only nodes. That has not been tested thoroughly. We have done > considerable testing of the page zero functionality as well as the > error handling.
Might be worth some additional testing...
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