Comp-phys-alps-users

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1248 discussions

Problems with worms??
by Jakub Zakrzewski 27 Oct '10

27 Oct '10

Hello, Sometimes QMC worm code (used on Bose-Hubbard) terminates with the following error: here come first earlier succesful simulations then ... Created run 85 remote on Host ID: 84 Created run 86 remote on Host ID: 85 Created run 87 remote on Host ID: 86 Created run 88 remote on Host ID: 87 All processes have been assigned Checking if Simulation 1 is finished: not yet, next check in 120 seconds ( 0% done). q = -0 state1 = 0 state2 = 0 bond_type = 0 zero matrix element in remove_jump application called MPI_Abort(MPI_COMM_WORLD, -2) - process 67 Could somebody advice what I can do? Best regards Kuba

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Problem in ALPS 2.0b4 which does not occur in ALPS 1.3.3
by Urs Gerber ITP 25 Oct '10

25 Oct '10

**I am using ALPS 2.0b4 by simulating bilayer spin-1/2 Heisenberg model in an uniform magnetic field on the square lattice using dirloop_sse. It is strange that some runs are killed automatically without producing any output file. For example, for lattice size L = 12, the run with \beta = 24 goes smoothly to the end, but the run using \beta = 48 is killed. This also happens for other lattice sizes when beta gets too large. I will be grateful if anyone can help me with this. U.G.

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Example of how to run ALPS applications from Maple
by Andriy Zhugayevych 25 Oct '10

25 Oct '10

On my web-page http://zhugayevych.me/maple/index.htm you will find a Maple worksheet example of sparse diagonalization in ALPS 2.0 for Windows. The direct links are: http://zhugayevych.me/maple/ALPS_example.mw (Maple worksheet only) and http://zhugayevych.me/maple/ALPS.zip (whole working folder). If you will find an easier or more efficient way to run ALPS applications from Maple, please, let me know. Best regards, Andriy Zhugayevych

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t-J model
by zhian asadzadeh 24 Oct '10

24 Oct '10

Hi every body, I have just started to study and recover some results in t-J model with DMRG application. I would like to do the DMRG with different doppings, could anyone help me how I could be able to do it? Thanks in advance, Mohammad.

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ALPS 2 compilation on AIX
by jessica.alfonsi＠unipd.it 21 Oct '10

21 Oct '10

Dear Matthias, we've made again some progress with ALPS 2 b 3 compilation. Now it stops on test compilation with the following messages, it looks like a compiler bug similar to the previous one found for examples, so I'm going to turn off building tests, too. Is it OK ? Let me know please if you need the log files. Thank you again for your help Best Jessica These are the messages: [ 72%] Building CXX object test/alea/CMakeFiles/detailedbinning.dir/detailedbinning.C.o cd /gpfs/scratch/userinternal/cin8337a/build/alps-2.0.0b3-r4750-src-with-boost/test/alea && /usr/bin/mpCC_r -+ -DBOOST_ALL_NO_LIB=1 -DBOOST_ALL_DYN_LINK=1 -qmaxmem=-1 -DBIND_FORTRAN_LOWERCASE -qsmp -O -DNDEBUG -I/cineca/prod/libraries/hdf5/1.8.4_ser/xl--10.1/include -I/gpfs/scratch/userinternal/cin8337a/build/alps-2.0.0b3-r4750-src-with-boost/src -I/gpfs/scratch/userinternal/cin8337a/build/alps-2.0.0b3-r4750-src-with-boost/alps/src -I/gpfs/scratch/userinternal/cin8337a/build/alps-2.0.0b3-r4750-src-with-boost/boost -o CMakeFiles/detailedbinning.dir/detailedbinning.C.o -c /gpfs/scratch/userinternal/cin8337a/build/alps-2.0.0b3-r4750-src-with-boost/alps/test/alea/detailedbinning.C make[2]: Leaving directory `/gpfs/scratch/userinternal/cin8337a/build/alps-2.0.0b3-r4750-src-with-boost' make[1]: Leaving directory `/gpfs/scratch/userinternal/cin8337a/build/alps-2.0.0b3-r4750-src-with-boost' the reported error is: "/gpfs/scratch/userinternal/cin8337a/build/alps-2.0.0b3-r4750-src-with-boost/alps/test/alea/detailedbinning.C", line 91.27: 1540-1228 (I) Argument number 2 is an lvalue of type "alps::RealObsevaluator". "/gpfs/scratch/userinternal/cin8337a/build/alps-2.0.0b3-r4750-src-with-boost/alps/src/alps/alea/simpleobseval.h", line 724.43: 1540-1202 (I) No candidate is better than "alps::operator/ <double,alps::SimpleObservableEvaluator<double> >(const SimpleObservableEvaluator<double> &, SimpleObservableEvaluator<double>)". "/gpfs/scratch/userinternal/cin8337a/build/alps-2.0.0b3-r4750-src-with-boost/alps/test/alea/detailedbinning.C", line 91.15: 1540-1231 (I) The conversion from argument number 1 to "const alps::SimpleObservableEvaluator<double> &" uses "the identity conversion". "/gpfs/scratch/userinternal/cin8337a/build/alps-2.0.0b3-r4750-src-with-boost/alps/test/alea/detailedbinning.C", line 91.27: 1540-1231 (I) The conversion from argument number 2 to "alps::SimpleObservableEvaluator<double>" uses "an lvalue-to-rvalue transformation". "/gpfs/scratch/userinternal/cin8337a/build/alps-2.0.0b3-r4750-src-with-boost/alps/src/alps/alea/simpleobseval.h", line 708.43: 1540-1202 (I) No candidate is better than "alps::operator/ <double,double>(SimpleObservableEvaluator<double>, const SimpleObservableEvaluator<double> &)". "/gpfs/scratch/userinternal/cin8337a/build/alps-2.0.0b3-r4750-src-with-boost/alps/test/alea/detailedbinning.C", line 91.15: 1540-1231 (I) The conversion from argument number 1 to "alps::SimpleObservableEvaluator<double>" uses "an lvalue-to-rvalue transformation". "/gpfs/scratch/userinternal/cin8337a/build/alps-2.0.0b3-r4750-src-with-boost/alps/test/alea/detailedbinning.C", line 91.27: 1540-1231 (I) The conversion from argument number 2 to "const alps::SimpleObservableEvaluator<double> &" uses "the identity conversion". make[2]: *** [test/alea/CMakeFiles/detailedbinning.dir/detailedbinning.C.o] Error 1 make[1]: *** [test/alea/CMakeFiles/detailedbinning.dir/all] Error 2 make: *** [all] Error 2 -bash-3.2$

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successful ALPS 2 beta 3 on AIX
by jessica.alfonsi＠unipd.it 21 Oct '10

21 Oct '10

Dear Matthias, I'd like to inform you that we've just had a successful installation of ALPS 2 beta 3 on AIX after turning off examples. At the moment the build of applications is turned off, since I needed a very basic configuration for compiling my code. We're going to try soon with build applications on and I'll let you know if there are any issues again. Then we'll try more recent revisions of ALPS. Thank you very much again for your support. Best regards Jessica

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Re: [ALPS-users] Lapack linking problem in ALPS 2 compilation on AIX (log files)
by Matthias Troyer 19 Oct '10

19 Oct '10

Dear Jessica, Once it works I would like to collect all the changes you needed to make to the sources, so that we can include them directly in the final ALPS 2.0 release Matthias On 14 Oct 2010, at 00:43, jessica.alfonsi(a)unipd.it wrote: > Thank you very much Prof. Troyer, you're simply the best !! > Jessica > On Gio, 14 Ottobre 2010 9:40 am, Matthias Troyer wrote: >> Hi Jessica, >> >> These are functions in the Fortran runtime libraries that need to be >> linked to Lapack. Please ask the people in your computer center to help >> you add the necessary libraries. >> >> Best regards >> >> Mathias Troyer >> >> On Oct 14, 2010, at 9:37 AM, jessica.alfonsi(a)unipd.it wrote: >> >>> Dear Prof. Troyer and Alet, >>> after trying your last suggestion the compilation still stops at the >>> same >>> point but with other messages related to xlf stuff. I've sent you in >>> attachment all log files and the latest CMakeCache.txt. I hope you can >>> give again us your precious help, I apologize for this non-stop e-mail >>> debugging ! >>> Thank you for your help, best >>> >>> Jessica<584558.err><584558.out><CMakeCache_14okt.txt> >> >> >> > > > -- > Dr.ssa Jessica Alfonsi > Dipartimento di Scienze Chimiche > Universit� di Padova > via Marzolo 1 35100 Padova (Italy) > +39 0498275726 > e-mail jessica.alfonsi(a)unipd.it >

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problem with worm algorithm
by Jakub Kolasinski 18 Oct '10

18 Oct '10

Hi, I have encountered problem with worm algorithm, and I would be very grateful for help. I'm using ALPS 1.3.4, and the problem is as follows. In low temperatures (around 0.05 with U=1) and hopping parameter around 0.2 simulation runs normally and then just stops - but there is no error. So it seems to be everything ok, simulation status is "running" - but there is no progress. If I rerun the simulation on the same parameters few times, it eventually works to the end. Problem intesifies with growing hopping parameter J - for J=0.1 this problem happens very rarely to me. I would really appreciate any help. Best regards Jakub Kolasinski

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Lapack linking problem in ALPS 2 compilation on AIX
by jessica.alfonsi＠unipd.it 14 Oct '10

14 Oct '10

Hello, after trying your last suggestion there are new error messages related to xlf stuff. I've sent you an e-mail with the attached log and CMakeCache.txt files for inspection. Could you please have a look at it ? Thank you. Sincerely, Jessica

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Lapack linking problem in ALPS 2 compilation on AIX
by jessica.alfonsi＠unipd.it 12 Oct '10

12 Oct '10

Dear Prof. Troyer, did you receive the log file of the make VERBOSE=ON related to the Lapack linking problem of ALPS 2 on AIX ? Do you have any solution for that ? Is there some compiler option which I could try ? Thank you for your help. Best Jessica

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Comp-phys-alps-users