#--------------------------------------------------- # Intel (R) MPI Benchmark Suite V3.2, MPI-1 part #--------------------------------------------------- # Date : Thu Apr 30 18:09:03 2009 # Machine : i386 # System : Darwin # Release : 9.6.0 # Version : Darwin Kernel Version 9.6.0: Mon Nov 24 17:37:00 PST 2008; root:xnu-1228.9.59~1/RELEASE_I386 # MPI Version : 2.1 # MPI Thread Environment: MPI_THREAD_SINGLE # New default behavior from Version 3.2 on: # the number of iterations per message size is cut down # dynamically when a certain run time (per message size sample) # is expected to be exceeded. Time limit is defined by variable # "SECS_PER_SAMPLE" (=> IMB_settings.h) # or through the flag => -time # Calling sequence was: # IMB-MPI1 PingPing # Minimum message length in bytes: 0 # Maximum message length in bytes: 4194304 # # MPI_Datatype : MPI_BYTE # MPI_Datatype for reductions : MPI_FLOAT # MPI_Op : MPI_SUM # # # List of Benchmarks to run: # PingPing #--------------------------------------------------- # Benchmarking PingPing # #processes = 2 # ( 122 additional processes waiting in MPI_Barrier) #--------------------------------------------------- #bytes #repetitions t[usec] Mbytes/sec 0 1000 3.77 0.00 1 1000 3.87 0.25 2 1000 3.91 0.49 4 1000 3.85 0.99 8 1000 4.06 1.88 16 1000 3.92 3.90 32 1000 4.00 7.63 64 1000 4.36 13.99 128 1000 5.32 22.95 256 1000 7.06 34.56 512 1000 8.96 54.50 1024 1000 12.54 77.91 2048 1000 16.96 115.14 4096 1000 26.05 149.95 8192 1000 46.39 168.40 16384 1000 85.46 182.83 32768 1000 173.08 180.56 65536 640 502.55 124.37 131072 320 731.51 170.88 262144 160 1222.55 204.49 524288 80 2505.89 199.53 1048576 40 4681.05 213.63 2097152 20 8868.85 225.51 4194304 10 17655.42 226.56 # All processes entering MPI_Finalize