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 <[email protected]>: > 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 <[email protected]>: >> +1 >> >> Sent from my iPad >> >> On Apr 22, 2011, at 7:13 PM, Thomas Jungblut >> <[email protected]> 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 <[email protected]>: >>>> 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: [email protected] >>> private: [email protected] >> > -- Thomas Jungblut Berlin mobile: 0170-3081070 business: [email protected] private: [email protected]
