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Peter Zijlstra 8a02631a47 perf stat: More advanced variance computation 
Use the more advanced single pass variance algorithm outlined
on the wikipedia page. This is numerically more stable for
larger sample sets.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-09-04 17:38:15 +02:00
..
perf
perf stat: More advanced variance computation
2009-09-04 17:38:15 +02:00