Malcolm Ryan wrote: > I'm building a planner in eclipse using the constraint libraries. > It's running rather slow, so I profiled it and got: > > PROFILING STATISTICS > -------------------- > > Goal: difficult_testA(MP, [5]) > Total user time: 168.30s > > Predicate Module %Time Time %Cum > -------------------------------------------------------- > ? ? 53.5% 89.99s 53.5% > dummy_prop_ic_con /1 ic_constrain 25.2% 42.45s 78.7% > unify_ic /3 ic_kernel 6.0% 10.13s 84.7% > set_up_ic_con /3 ic_constrain 5.6% 9.48s 90.3% > ic_exclude /2 ic_kernel 1.4% 2.30s 91.7% > ... > > What does that ? ? line mean? This used to indicate local predicates inside locked modules. I removed this restriction in patch 5.10#63, so I suppose you are running an version older than that? > What does 'dummy_prop_ic_con' do? Despite the name, it's the core propagator for all linear IC-constraints. > I tried running the port_profiler tool and it told me that my most > used predicate was do__0 which was called by do__0. That's not very > helpful. Obviously its a loop somewhere it my code, but which one? > Any ideas how I can find out? Add loop_name(my_name) specifiers to some of the loops you suspect. This name will then be used instead of the system-generated do__xxx names. -- JoachimReceived on Wed Aug 22 2007 - 11:14:09 CEST
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