On 11/05/2015 10:43 AM, Konrad Rzeszutek Wilk wrote:
> On Mon, Nov 02, 2015 at 12:21:46PM +0800, Bob Liu wrote:
>> Make pool of persistent grants and free pages per-queue/ring instead of
>> per-device to get better scalability.
>
> How much better scalability do we get?
>
Which already showed in [00/10], I paste them here:
domU(orig) 4 queues 8 queues 16 queues
iops: 690k 1024k(+30%) 800k 750k
After patch 9 and 10:
domU(orig) 4 queues 8 queues 16 queues
iops: 690k 1600k(+100%) 1450k 1320k
Chart: https://www.dropbox.com/s/agrcy2pbzbsvmwv/iops.png?dl=0
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