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Re: [platform-releng-dev] Ignore all performance results for JDT/Core
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> CPU time says +10%, and the elapsed time says -25%
== The test code did 10% more work, but it finished %25 sooner.
Usually, this means the code spent less time waiting on other code to
finish (or similar synchronization issues).
It's still a good thing, because users care about elapsed time, not how
much CPU it took to compute the answer.
McQ.
Philippe P Mulet <philippe_mulet@xxxxxxxxxx>
Sent by: platform-releng-dev-bounces@xxxxxxxxxxx
04/25/05 05:43 AM
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Subject
[platform-releng-dev] Ignore all performance results for JDT/Core
Performance results posted on *any* recent build page are completely
inconsistent, and are either exposing missing reference data, or erratic
machine behavior.
The linux results seem a bit more accurate, though the build related tests
were anormally bad in 3.0 reference, and are throwing off the conclusions.
Interestingly, we are seeing some tests where the CPU time says +10%, and
the elapsed time says -25% ! How can ?
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