Messages in this thread | | | From | Jeff Moyer <> | Subject | Re: [patch,v3,repost 00/10] make I/O path allocations more numa-friendly | Date | Mon, 10 Dec 2012 12:59:30 -0500 |
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Jeff Moyer <jmoyer@redhat.com> writes:
> Hi, > > This patch set makes memory allocations for data structures used in > the I/O path more numa friendly by allocating them from the same numa > node as the storage device. I've only converted a handful of drivers > at this point. My testing is limited by the hardware I have on hand. > Using these patches, I was able to max out the bandwidth of the storage > controller when issuing I/O from any node on my 4 node system. Without > the patch, I/O from nodes remote to the storage device would suffer a > penalty ranging from 6-12%. Given my relatively low-end setup[1], I > wouldn't be surprised if others could show a more significant performance > advantage. > > This is a repost of the last posting. The only changes are additional > reviewed-by/acked-by tags. I think this version is ready for inclusion. > James, would you mind taking a look?
James? Do you have any objections to including this for 3.8?
-Jeff
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