Intel® Software Development Tools 2015 Beta now closed
Thank you for your participation in the Intel® Software Development Tools 2015 Beta program. The Beta program is now closed. Thanks to your invaluable feedback, the Intel® Parallel Studio XE 2015...
View ArticleMPI+linked list
Dear All,as suggested by Tim Prince, I ask the question about MPI here. I would like to know if it is possible to send linked list from a processor to another in fortran+MPIThanks a lot
View ArticleCrash in MPI_COMM_SPAWN_MULTIPLE
I trying to manually spawn MPI processes. This code works fine when compiled with gfortran and linked against the OpenMPI libraries but when I compile it using ifort and the Intel MPI libraries, it...
View ArticleCan shared memory work between processes running w/wo mpiexec?
I have a GUI.exe (with GUI) and engine.exe (without GUI). I am using shared memory for inter-process communication between these two exe. Everything was working fine before I use mpiexec. After I added...
View ArticleTracing MPI call with Intel MPI
Hi,Is there a way to trace MPI calls (meaning: each time an MPI function is called, I'd like to see the function name, parameters and emitting process) using Intel MPI ?There is a --trace option, but...
View Articlempitune -V ERROR
I installed the Intel Parallel Studio Cluster 15. The following command "impi_5.0.1/intel64/bin/tune/mpitune -V" shows ERROR: There is nothing like...
View Articlehybrid application on the Xeon Phi
I would like to run a hybrid application (CP2K) on the Xeon Phi. The application is MPI + OpenMP and I set up the environment in the following manner: $ export OMP_NUM_THREADS=15 $ export...
View ArticleBug with -compile_info and -link_info options
HiWhen I run mpiicc -compile_info I get:icc -I/softs/intel//impi/5.0.1.035/intel64/include -L/softs/intel//impi/5.0.1.035/intel64/lib/release -L/softs/intel//impi/5.0.1.035/intel64/lib -Xlinker...
View Articlempi performance/settings issue
Hi,I am using intel mpi 4.1.3 with different process managers, mpd/hydra and got very different behaviorwhen i use mpd (mpiexec -perhost 32 -nolocal -n 384 -env I_MPI_FABRICS shm:dapl ./wrf.exe ) i've...
View Articletrivial code fails sometimes under SGE: HYDT_dmxu_poll_wait_for_event...
A trivial ring-passing .f90 program fails to start 50% of the time on our cluster (SGE 6.2u5). The same problem occurs with large codes:The error message:[mpiexec@compute-8-15.local]...
View ArticleMPI_Finalize Error Present with mpiicpc.
I have been having trouble with the intel-compiled version of a scientific software stack. The stack uses both OpenMP and MPI. When I started working on the code, it had been compiled with gcc & a...
View ArticleSENDRECV + MPI_TYPE_CREATE_STRUCT
Dear all,I have some basic question about MPI about SENDRECV and MPI_TYPE_CREATE_STRUCT.First: MPI_TYPE_CREATE_STRUCT. As suggested by James Tullos, whem I have a data type as:type particle integer ::...
View ArticleMPI_CART_SHIFT and all neighbours
Dear MPI users,I have a question about MPI_CART_SHIFT. How can I now all the processor neighbours.I have understood how to know the left,right, above and bellow processor: ! Find neighbors CALL...
View Articlesimple MPI code generating deadlock
Hello everyone,I hope this is the appropriate forum for this question. I have recently started learning MPI, and can't seem to figure out why the following codes generating deadlock which occurs is...
View ArticleClik here to view.
Problem with MPI_Type_vector with large stride value
Hi, I am straggling with a simple MPI program when a vector derived datatype is used as origin/remote datatypes in the MPI_Put RMA operation. The underlying idea is quite simple: a contiguous piece...
View ArticleMPI_Sendrecv problem
dear all,I have a problem with MPI_Sendrecv, probably because I do not understand it.In my program I create a Cartesian topology: periods = .FALSE. CALL MPI_CART_CREATE...
View ArticleMPI_Sendrecv problem
dear all,I have a problem with MPI_Sendrecv, probably because I do not understand it.In my program I create a Cartesian topology: periods = .FALSE. CALL MPI_CART_CREATE...
View Articleidb discontinued, but mpiexec doesn't know
I've read somewhere that idb was being discontinued. Yet it is still possible to ask for it through the various flavour of mpiexec:[alainm@tagir test]$ which mpiexec mpirun mpiexec.hydra...
View ArticleMPI_TYPE_CREATE_STRUCT error 174
Dear all,this is becoming a nightmare. I have the following program, where i create MPI_TYPE_CREATE_STRUCT and then I try to send it to other processor. It crushes every-time and do not know why.Could...
View ArticleHow do I configure Visual Studio for Intel MPI?
I'm using Visual Studio 2013 and IncrediBuild 5.5 to build apps using Intel Parallel Studio. I've recently downloaded Intel MPI and found that it essentially has a compiler wrapper (mpiicpc) that I...
View Article