harmony-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Robin Garner" <robin.gar...@anu.edu.au>
Subject Re: [classlib][general] How to test the performance of Harmony
Date Fri, 26 Jan 2007 00:50:00 GMT
Two suggestions:

1) Control (and report!) the heap size (using -Xmx and -Xms).

2) Use '-n 3' and report all 3 iterations.


> We are planning to start running benchmarks regularly on Harmony in
> the nearest future. We are testing the infrastructure now...
> SY, Alexey
> 2007/1/25, Leo Li <liyilei1979@gmail.com>:
>> Hi, all:
>>     With the progress of Harmony project, I think, performance is
>> gradually
>> becoming an important feature for our real customers. Besides the
>> stability
>> and compatibility, users would incline to choose the one with higher
>> speed. Aside from VM, classlib itself also plays a significant role in
>> performance.
>>    Although we now know some issues that are performance related, in a
>> long
>> run, we need performace test results to pick out the hotspot in Harmony
>> project. Without data, we are like blind men running in the dark, in the
>> area of performance.
>>    Is there any advice about the tools to test the performance of
>> Harmony?
>>    Actually, if my remember is right, some guys have actually run the
>> performance tests. (But I forget where the mail is.)Maybe we can post
>> the
>> result on Harmony wiki thus we can have a baseline to improve our
>> code.:)
>> Thanks.
>> --
>> Leo Li
>> China Software Development Lab, IBM

View raw message