[Bugme-new] [Bug 19672] New: ondemand is slow
bugzilla-daemon at bugzilla.kernel.org
bugzilla-daemon at bugzilla.kernel.org
Sun Oct 3 14:08:58 PDT 2010
https://bugzilla.kernel.org/show_bug.cgi?id=19672
Summary: ondemand is slow
Product: Power Management
Version: 2.5
Kernel Version: 2.6.35
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: cpufreq
AssignedTo: cpufreq at vger.kernel.org
ReportedBy: danielhollocher at gmail.com
Regression: No
I find ondemand is allot slower than conservative for cpu bound tasks. My
understanding is that performance wise, ondemand should be on par or slightly
faster than conservative.
My chip is an intel core 2 duo, I think 4300. I am using 2.6.35 from Ubuntu.
On the kraken benchmark, ondemand completes in 34216.6ms +/- 2.3% where as
conservative completes in 25699.3ms +/- 5.6%
Again, it is my understanding that ondemand should not have this much of a
slowdown.
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