OK so I will work with gecode 3.7.3. I just compile the revision with cmake and I use gecode 3.7.3 from download section of the official website. I will see the flags used in compilation.
Thank you for all ^^ Best Regards, Mohamed REZGUI 2013/2/26 Christian Schulte <cschu...@kth.se> > That's what happens when you use the trunk, you should never, because, > yes, it is the trunk and not a release ;-)**** > > ** ** > > The difference is easy to explain though. The instance you have chosen > does not have a search annotation in it, so Gecode picks some default > search (which for this type of problems is a desaster anyway). And we just > changed the default search behavior for the upcoming Gecode 4.**** > > ** ** > > But then there is another observation: Did you compile both versions with > exactly the same flags? I doubt. Please check this.**** > > ** ** > > Christian**** > > ** ** > > --**** > > Christian Schulte, Professor of Computer Science, KTH, > www.ict.kth.se/~cschulte/**** > > ** ** > > *From:* users-boun...@gecode.org [mailto:users-boun...@gecode.org] *On > Behalf Of *Mohamed Rezgui > *Sent:* Tuesday, February 26, 2013 3:31 PM > *To:* users@gecode.org > *Subject:* [gecode-users] Problem with rev13418 performances**** > > ** ** > > Hi, **** > > ** ** > > I made benchmark with the attached instance > (2DLevelPacking_Class5_20_6.fzn) from the minizinc challenges with the > latest version of gecode revision 13418 in release mode.**** > > ** ** > > When I compare performances between this version and the 3.7.3 version of > gecode, I am so surprised !!!.**** > > Gecode 3.7.3 is faster than the latest revision !!!**** > > ** ** > > I just use the parameter -s for stats :**** > > ---> gecode/bin/fz -s 2DLevelPacking_Class5_20_6.fzn**** > > ** ** > > Use of E7-4870 Intel processor**** > > ** ** > > Benchmarks with gecode rev13418 :**** > > ** ** > > %% runtime: 2594.74 (2594737 ms)**** > > %% solvetime: 2594.72 (2594718 ms)**** > > %% workers: 1**** > > %% type search: bab**** > > %% solutions: 1**** > > %% objective: 9**** > > %% variables: 801**** > > %% propagators: 70**** > > %% propagations: 22306041**** > > %% nodes: 1564742**** > > %% failures: 702986**** > > %% restarts: 0**** > > %% peak depth: 51**** > > %% peak memory: 838 KB**** > > ** ** > > Benchmarks with gecode 3.7.3 :**** > > %% runtime: 32.394 (32394.264 ms)**** > > %% solvetime: 32.384 (32384.895 ms)**** > > %% workers: 1**** > > %% type search: bab**** > > %% solutions: 1**** > > %% variables: 801**** > > %% objective: 9**** > > %% propagators: 70**** > > %% propagations: 23159635**** > > %% nodes: 3114256**** > > %% failures: 1557118**** > > %% peak depth: 53**** > > %% peak memory: 2831 KB**** > > ** ** > > Can you help me about that ???**** > > Is it better that I work with 3.7.3 version ??? **** > > Thank you for your attention.**** > > ** ** > > -- > Best Regards,**** > > Mohamed REZGUI >
_______________________________________________ Gecode users mailing list users@gecode.org https://www.gecode.org/mailman/listinfo/gecode-users
