Re: [PATCH V3 3/7] workqueue: Add helpers to schedule work on any cpu
From: Viresh Kumar
Date: Fri Mar 29 2013 - 03:27:31 EST
On 28 March 2013 23:43, Tejun Heo <tj@xxxxxxxxxx> wrote:
> Viresh, would it be difficult to make another measurement of the same
> workload with the said workqueues converted to unbound? I think that
> would at least provide a nice reference point.
My heart is shattered after getting the results :)
Cluster A15 Energy Cluster A7 Energy Total
------------------------- ----------------------- ------
Without this patchset (Energy in Joules):
---------------------------------------------------
0.151162 2.183545 2.334707
0.223730 2.687067 2.910797
0.289687 2.732702 3.022389
0.454198 2.745908 3.200106
0.495552 2.746465 3.242017
Average:
0.322866 2.619137 2.942003
With this patchset (Energy in Joules):
-----------------------------------------------
0.133361 2.267822 2.401183
0.260626 2.833389 3.094015
0.142365 2.277929 2.420294
0.246793 2.582550 2.829343
0.130462 2.257033 2.387495
Average:
0.182721 2.443745 2.626466
With WQ Unbound (Energy in Joules):
-----------------------------------------------
0.226421 2.283658 2.510079
0.151361 2.236656 2.388017
0.197726 2.249849 2.447575
0.221915 2.229446 2.451361
0.347098 2.257707 2.604805
Average:
0.2289042 2.2514632 2.4803674
PS: I have to add another generic workqueue for these tests:
system_unbound_freezable_wq as block layer was using
system_freezable_wq.
--
viresh
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