topic Running NPB3.3 with I-MPI in Intel® MPI Library https://community.intel.com/t5/Intel-MPI-Library/Running-NPB3-3-with-I-MPI/m-p/825097#M1209 Hi<DIV>I am trying to run NAS with I-MPI version 3.2.1.</DIV><DIV></DIV><DIV>The following is the command:</DIV><DIV>mpiexec -rr -n 256 -env I_MPI_FALLBACK_DEVICE 0 -env I_MPI_DYNAMIC_CONNECTION disable</DIV><DIV>-env I_MPI_USE_RENDEZVOUS_RDMA_WRITE 1 -env I_MPI_DEVICE rdssm:ofa-v2-ib0 /home/NPB3.3/NPB3.3-MPI/bin/bt.A.256</DIV><DIV></DIV><DIV>I am getting error:</DIV><DIV><DIV id="_mcePaste">[0] ERROR - MPI startup(): dlopen() of dat library failed</DIV><DIV id="_mcePaste">[1] ERROR - MPI startup(): dlopen() of dat library failed</DIV><DIV id="_mcePaste">...</DIV><DIV id="_mcePaste">..</DIV><DIV id="_mcePaste">[255] ERROR - MPI startup(): dlopen() of dat library failed</DIV><DIV></DIV><DIV>[1] DAPL provider is not found and fallback device is not enabled</DIV><DIV>[0] DAPL provider is not found and fallback device is not enabled</DIV><DIV>[cli_0]: aborting job:</DIV><DIV>Fatal error in MPI_Init: Other MPI error, error stack:</DIV><DIV>MPIR_Init_thread(283): Initialization failed</DIV><DIV>MPIDD_Init(98).......: channel initialization failed</DIV><DIV>MPIDI_CH3_Init(163)..: generic failure with errno = -1</DIV><DIV>(unknown)(): <NULL></NULL></DIV><DIV>--------------------------------------------------------------------------------------</DIV><DIV></DIV><DIV>But I am able to run IMB over the same setup, with the same command:</DIV><DIV>mpiexec -rr -n 256 -env I_MPI_FALLBACK_DEVICE 0 -env I_MPI_DYNAMIC_CONNECTION disable -env I_MPI_USE_RENDEZVOUS_RDMA_WRITE 1 -env I_MPI_DEVICE rdssm:ofa-v2-ib0 /home/bin_imb/intel/IMB-MPI1_impi_gcc</DIV><DIV></DIV><DIV>How to resolve the problem with NAS benchmark?</DIV></DIV> Thu, 06 May 2010 13:14:38 GMT grovershah 2010-05-06T13:14:38Z Running NPB3.3 with I-MPI https://community.intel.com/t5/Intel-MPI-Library/Running-NPB3-3-with-I-MPI/m-p/825097#M1209 Hi<DIV>I am trying to run NAS with I-MPI version 3.2.1.</DIV><DIV></DIV><DIV>The following is the command:</DIV><DIV>mpiexec -rr -n 256 -env I_MPI_FALLBACK_DEVICE 0 -env I_MPI_DYNAMIC_CONNECTION disable</DIV><DIV>-env I_MPI_USE_RENDEZVOUS_RDMA_WRITE 1 -env I_MPI_DEVICE rdssm:ofa-v2-ib0 /home/NPB3.3/NPB3.3-MPI/bin/bt.A.256</DIV><DIV></DIV><DIV>I am getting error:</DIV><DIV><DIV id="_mcePaste">[0] ERROR - MPI startup(): dlopen() of dat library failed</DIV><DIV id="_mcePaste">[1] ERROR - MPI startup(): dlopen() of dat library failed</DIV><DIV id="_mcePaste">...</DIV><DIV id="_mcePaste">..</DIV><DIV id="_mcePaste">[255] ERROR - MPI startup(): dlopen() of dat library failed</DIV><DIV></DIV><DIV>[1] DAPL provider is not found and fallback device is not enabled</DIV><DIV>[0] DAPL provider is not found and fallback device is not enabled</DIV><DIV>[cli_0]: aborting job:</DIV><DIV>Fatal error in MPI_Init: Other MPI error, error stack:</DIV><DIV>MPIR_Init_thread(283): Initialization failed</DIV><DIV>MPIDD_Init(98).......: channel initialization failed</DIV><DIV>MPIDI_CH3_Init(163)..: generic failure with errno = -1</DIV><DIV>(unknown)(): <NULL></NULL></DIV><DIV>--------------------------------------------------------------------------------------</DIV><DIV></DIV><DIV>But I am able to run IMB over the same setup, with the same command:</DIV><DIV>mpiexec -rr -n 256 -env I_MPI_FALLBACK_DEVICE 0 -env I_MPI_DYNAMIC_CONNECTION disable -env I_MPI_USE_RENDEZVOUS_RDMA_WRITE 1 -env I_MPI_DEVICE rdssm:ofa-v2-ib0 /home/bin_imb/intel/IMB-MPI1_impi_gcc</DIV><DIV></DIV><DIV>How to resolve the problem with NAS benchmark?</DIV></DIV> Thu, 06 May 2010 13:14:38 GMT https://community.intel.com/t5/Intel-MPI-Library/Running-NPB3-3-with-I-MPI/m-p/825097#M1209 grovershah 2010-05-06T13:14:38Z Running NPB3.3 with I-MPI https://community.intel.com/t5/Intel-MPI-Library/Running-NPB3-3-with-I-MPI/m-p/825098#M1210 Hi Grovershah,<BR /><BR />Could you tell me how you compiled /home/NPB3.3/NPB3.3-MPI/bin/bt.A.256?<BR />and what is the difference with /home/bin_imb/intel/IMB-MPI1_impi_gcc?<BR /><BR />It seems to me that you used different environment to built these 2 applications.<BR /><BR />Regards!<BR /> Dmitry<BR /> Mon, 17 May 2010 13:07:11 GMT https://community.intel.com/t5/Intel-MPI-Library/Running-NPB3-3-with-I-MPI/m-p/825098#M1210 Dmitry_K_Intel2 2010-05-17T13:07:11Z