Re: [RFC PATCH 00/37] Speculative page faults

[vjitta]

From: Vijayanand Jitta <vjitta@xxxxxxxxxxxxxx>

We have tried out the SPF patch series on our code base
and have seen significant improvements in app launch
latency and ebizzy tests. Please find the results below.

App launch latency (in ms) :

Apps		w/o spf	     with spf	  % improvement
--------------------------------------------------------
Changba		1531	     1252	   18.2
Taobao		1813	     1506	   16.9
QQlive		1966	     1775	   9.7


Ebizzy test (ebizzy_64  -mRTt 8) : 

ebizzy_64  -mRTt 8	w/o spf	    with spf	% improvement
--------------------------------------------------------------
Avg_records_count	2455	    2717	10.7
Avg_real_time		10	    10		-
Avg_user_time		0.74	    0.66	10.8
Avg_sys_time		12.2	    11.6	4.9

So, getting this series mainlined would be of great help.

Thanks,
Vijay
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