i don't mind. I've made a branch PRE_CPP11 just in case nothing works and you change your mind
On 23 December 2014 at 04:13, Marcin Junczys-Dowmunt <[email protected]> wrote: > Hi, > would anyone object to making mgiza depend on -std=c++11? I checked, it > compiles and works. Since I am contemplating to bring some order into the > threading issues, I would appreciate to get rid of pthread, boost::thread > and make use of <thread>, <mutex> and stuff. Also it seems <mutex> is > faster than pthreads mutexes. > > Best, > Marcin > > W dniu 22.12.2014 o 17:44, Marcin Junczys-Dowmunt pisze: > > Hi Rico, > > there is more going on than that. I just disabled all those locks for > testing and nothing changes (funnily it's not even crashing). I will try to > have a look. Rewriting everything so each thread get's thread-specific > datastructures might be more than I am ready to do though. On the other > hand, sounds like a good plan for Christmas. > > Best, > > Marcin > > W dniu 2014-12-22 16:12, Rico Sennrich napisał(a): > > Marcin Junczys-Dowmunt <junczys@...> <junczys@...> writes: > > will try to have a look what is going on there (I dread the code), but if > > anyone has some ideas, the same experience or wants to help that would be > most welcome. It seems Model 1 is fine, and speed improves with a greater > number of threads, but the other models are off. Also htop shows mgiza is > mostly in kernel-mode (all red bars instead of green) once the HMM > iterations start. > > Hi Marcin, > > looking at hmm.cpp (lines 446-485), some counts get synchronized between > threads for every sentence. Maybe I missed something and the counts actually > need to be synchronized ASAP, but it looks to me as if every thread could > work with its own data structure, with a single synchronization between > threads after the loop. > > best wishes, > Rico > > _______________________________________________ > Moses-support mailing > [email protected]http://mailman.mit.edu/mailman/listinfo/moses-support > > > > > > _______________________________________________ > Moses-support mailing > [email protected]http://mailman.mit.edu/mailman/listinfo/moses-support > > > > _______________________________________________ > Moses-support mailing list > [email protected] > http://mailman.mit.edu/mailman/listinfo/moses-support > > -- Hieu Hoang Research Associate University of Edinburgh http://www.hoang.co.uk/hieu
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