Hi Marcin I normally use valgrind (with the callgrind tool).
cheers - Barry On 05/08/12 15:32, Marcin Junczys-Dowmunt wrote: > Hi Barry, > both version were run with one thread, but with multi-thread support > compiled in. The slow-down is similar for 8 threads, just scaled > proportionally, 170 seconds vs 135 seconds. > > I've noticed that effect while I was checking the performance of my > phrase table after merging with master and first thought that it is my > fault, but I have the same effect with the standard phrase table, as > reported below. > > How exactly do you want me to profile the versions? > Best, > Marcin > > W dniu 05.08.2012 16:07, Barry Haddow pisze: >> Hi Marcin >> >> Is this single-threaded or multi-threaded Moses? One possible issue is >> that threads are now compiled in by default, so even if you run with a >> single thread then you still pay some locking penalties. I'm not sure >> that this should make the large difference that you observe though. You >> can compile without threads to avoid the locking. >> >> I haven't noticed any significant slow-down, but we don't monitor >> performance too carefully here (although we probably should). I'd be >> interested to see a profile of the two versions that you tested, >> >> cheers - Barry >> >> On 05/08/12 11:27, Marcin Junczys-Dowmunt wrote: >>> Hi, >>> has anyone noticed that Moses seems to be about 20-30% slower than about >>> a year ago? I happen to have a checkout from last September lying >>> around. With the same settings, and the same data the translation of >>> 1000 sentences takes around 925 seconds now, but 690 seconds with the >>> September version. Translation results are the same. >>> >>> I use the same binary phrase table with around 200 million phrase pairs, >>> no lexical reordering, the same 3-gram KenLm language model, but >>> compiled to the corresponding format which changed between versions. The >>> data is fully cached in the operational system read cache, so it seems >>> this are processing issues. >>> >>> Has anyone else noticed something like that? >>> Best, >>> Marcin >>> _______________________________________________ >>> Moses-support mailing list >>> [email protected] >>> http://mailman.mit.edu/mailman/listinfo/moses-support >>> > _______________________________________________ Moses-support mailing list [email protected] http://mailman.mit.edu/mailman/listinfo/moses-support
