Silent installation of Intel MPI for Windows
Hi,I was trying to install Intel MPI for Windows (w_mpi-rt_p_5.1.3.180.exe) silently on the compute nodes of a Windows HPC cluster. I followed the instruction here:...
View ArticleDynamically start MPI processes
Hi,I have a master/slave type MPI program, and I'd like the master to dynamically spawn the slave processes. I tried MPI_Comm_spawn, but it seems that I could only start slave processes on nodes where...
View ArticleMPI program hangs when running on multiple cores over IPoIB (Windows)
Hi,I have an MPI program, which runs fine on a Windows cluster over Ethernet. When I run it using IPoIB and start one processor on each node, there's also no problem. However, when I try to start...
View ArticleWrong results by Intel MPI 4.0.3.006?
HiI am using Intel MPI 4.0.3.006 to run my application, and found that the generated outputs were different from those generated using older version of MPI. I tried with MPICH2-1.4 and got the same...
View ArticleIntel MPI on Windows Authorization questions
Hi,I am running Intel MPI on my laptop with Windows Vista. I am now a little confused regarding the authorization process, and hope someone could help me with it. First, I am able to avoid giving...
View ArticleOpenmp aborted without error message
Hi,I am compiling and linking an application, but have got problems with openmp. My application is compiled using gcc 4.6.1, but uses some existing vendor modules, which requires libomp5. I link the...
View ArticleSuspend an MPI job
Hi,How can I suspend all the processes in an MPI job? I tried to use I_MPI_JOB_SIGNAL_PROPAGATION but it didn't seem to work. I am using Intel MPI 4.0.1.007. Thanks.Jacky
View ArticleFault-tolerant MPI program
Hi,I am working on a fault-tolerant MPI program. My goal is that when one of the compute nodes fails due to network or hardware issue, the other nodes won't be affected. I am now using...
View Articlefault tolerance in MPI programs
Hi,I am working on a fault-tolerant MPI program. My goal is that when one of the compute nodes fails due to network or hardware issue, the other nodes won't be affected. I am now using...
View Articleloop is not vectorized
Hi,I am experimenting with the auto vectorization functionality of Intel compiler. However, the following loop cannot be vectorized. for (k=0; k < nz; k++) { for (j=0; j < ny; j++) { #pragma...
View ArticleProblem in using threaded BLAS kernels
Hi,I am trying to use the parallel version of sgemm, but no matter how many threads I set to use, the program runs on one core only (on a 12-core westmere). Can anyone help me? I am using Intel...
View ArticleError: JVM terminated, exit code = 1
Lingua Inglese Hi, I am trying to use Vtune analyzer 9.1 on my 64-bit Linux. Although my kernel (2.6.9-67.ELsmp) is not officially supported, I was able to run the examples. However, after running my...
View ArticleError when linking with Intel MPI -- C++ Binding problem?
Lingua Inglese Hi, I was trying to compile a c++ program using Intel compiler and Intel MPI 3.2. The compilation was successful, but during linking, I got the following error message: : undefined...
View ArticleIntel MPI with pthread
Lingua Inglese I am trying to run a program that uses Pthread with Intel MPI. The program was compiled and linked successfully. I ran it on a dual-socket machine with two quad-core processors, but no...
View ArticleProblem in using threaded BLAS kernels
Lingua Inglese Hi,I am trying to use the parallel version of sgemm, but no matter how many threads I set to use, the program runs on one core only (on a 12-core westmere). Can anyone help me? I am...
View Articleloop is not vectorized
Lingua Inglese Hi,I am experimenting with the auto vectorization functionality of Intel compiler. However, the following loop cannot be vectorized. for (k=0; k < nz; k++) { for (j=0; j < ny; j++)...
View ArticleFault-tolerant MPI program
Lingua Inglese Hi,I am working on a fault-tolerant MPI program. My goal is that when one of the compute nodes fails due to network or hardware issue, the other nodes won't be affected. I am now using...
View Articlefault tolerance in MPI programs
Lingua Inglese Hi,I am working on a fault-tolerant MPI program. My goal is that when one of the compute nodes fails due to network or hardware issue, the other nodes won't be affected. I am now using...
View ArticleSuspend an MPI job
Lingua Inglese Hi,How can I suspend all the processes in an MPI job? I tried to use I_MPI_JOB_SIGNAL_PROPAGATION but it didn't seem to work. I am using Intel MPI 4.0.1.007. Thanks.Jacky
View ArticleOpenmp aborted without error message
Lingua Inglese Hi,I am compiling and linking an application, but have got problems with openmp. My application is compiled using gcc 4.6.1, but uses some existing vendor modules, which requires...
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