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From Thomas Jungblut <thomas.jungb...@googlemail.com>
Subject Re: [Share] Trunk is little slower than before.
Date Fri, 22 Apr 2011 15:02:52 GMT
Oh sorry all, this was a private massage of Miklos, but I didn't see
this because of google mails conversation threading. So Miklos that
was your message ;D

2011/4/22 Thomas Jungblut <thomas.jungblut@googlemail.com>:
> Hi all,
>
> my favorite profiler is YourKit. http://yourkit.com/ (This is not an
> advertisement :D) But for multithreading purposes it is better than
> the others. You have a good overview of threads that are blocked by
> others and so on.
> But it is really expensive, there is an option if you are developing
> for OpenSource that you'll get a free licence. For testing you have I
> believe 14 days free testing phase (with all options and no
> restrictions). You could try out.
>
> +1 for recording times ;)
>
>
> 2011/4/22 Chia-Hung Lin <clin4j@googlemail.com>:
>> In the wiki page, there are several information recorded, such as time
>> elapsed, message size, superstep counts, and number of message sent
>> (per superstep). In addition to this, is there any chance other
>> information can be recorded as well? For instance, how long does it
>> take to achieve barrier synchronization?  Or time elapsed when
>> dispatching tasks.
>>
>> 2011/4/22 Edward J. Yoon <edward@udanax.org>:
>>> +1
>>>
>>> Sent from my iPad
>>>
>>> On Apr 22, 2011, at 7:13 PM, Thomas Jungblut <thomas.jungblut@googlemail.com>
wrote:
>>>
>>>> This is MUCH slower. I'll profile it later.
>>>> And IMHO we should remove the random component of the benchmark.
>>>>
>>>> 2011/4/22 Edward J. Yoon <edwardyoon@apache.org>:
>>>>> Hi all,
>>>>>
>>>>> I ran the RandBench of current trunk on the same condition (16 nodes,
>>>>> 10G network):
>>>>>
>>>>> http://wiki.apache.org/hama/Benchmarks
>>>>>
>>>>> 0.2.0 version -> current TRUNK (arguments)
>>>>> --
>>>>> 7.461 seconds -> 12.445 seconds (500, 100, 16)
>>>>> 84.489 seconds -> 147.521 seconds (500, 100, 512)
>>>>>
>>>>> 13.679 seconds -> 18.419 seconds (10000, 5, 16)
>>>>> 339.608 seconds -> 402.632 seconds (10000, 5, 512)
>>>>>
>>>>> Trunk is little slower than before!
>>>>>
>>>>> --
>>>>> Best Regards, Edward J. Yoon
>>>>> http://blog.udanax.org
>>>>> http://twitter.com/eddieyoon
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Thomas Jungblut
>>>> Berlin
>>>>
>>>> mobile: 0170-3081070
>>>>
>>>> business: thomas.jungblut@testberichte.de
>>>> private: thomas.jungblut@gmail.com
>>>
>>
>
>
>
> --
> Thomas Jungblut
> Berlin
>
> mobile: 0170-3081070
>
> business: thomas.jungblut@testberichte.de
> private: thomas.jungblut@gmail.com
>



-- 
Thomas Jungblut
Berlin

mobile: 0170-3081070

business: thomas.jungblut@testberichte.de
private: thomas.jungblut@gmail.com

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