Hi Victor, thank you, I dit it but no speed up come. As Christian Schulte says : it rather the default strategy is bad. I hope the new version (4.0) comes soon ^^.
Thank you for your attention ^^ Best regards, Mohamed REZGUI 2013/2/26 victor.zverov...@gmail.com <victor.zverov...@gmail.com> > CMake supports different build types, make sure that you use the Release > one to enable optimizations and disable asserts and debug info. You can do > it at configuration time with the following command: > > cmake -DCMAKE_BUILD_TYPE=Release > > HTH, > Victor > > On Tue, Feb 26, 2013 at 7:22 AM, Mohamed Rezgui <kyo.al...@gmail.com>wrote: > >> 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 >> >> > -- Cordialement, Mohamed REZGUI
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