#--------------------------------------------------- # PALLAS MPI Benchmark Suite V2.2, MPI-1 part #--------------------------------------------------- # Date : Mon Jul 15 13:19:47 2002 # Machine : i386# System : FreeBSD # Release : 4.5-RELEASE # Version : FreeBSD 4.5-RELEASE #0: Mon Jan # # 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: # Reduce_scatter #---------------------------------------------------------------- # Benchmarking Reduce_scatter # ( #processes = 2 ) # ( 1 additional process waiting in MPI_Barrier) #---------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] 0 1000 5.63 6.71 6.17 4 1000 1614.09 1615.14 1614.61 8 1000 1640.91 1641.97 1641.44 16 1000 1639.46 1640.52 1639.99 32 1000 1704.35 1705.44 1704.90 64 1000 1842.63 1843.73 1843.18 128 1000 2087.51 2088.69 2088.10 256 1000 2481.82 2483.10 2482.46 512 1000 3306.37 3307.85 3307.11 1024 1000 4926.88 4928.76 4927.82 2048 1000 7437.81 7440.25 7439.03 4096 1000 11008.76 11012.29 11010.53 8192 1000 17255.81 17260.82 17258.32 16384 1000 30815.73 30824.56 30820.15 32768 1000 204531.98 205538.46 205035.22 65536 640 278356.62 278365.31 278360.96 131072 320 423779.95 427228.58 425504.26 262144 160 682673.79 682703.16 682688.48 524288 80 1101230.46 1101459.26 1101344.86 1048576 40 1949778.58 1950292.28 1950035.43 2097152 20 3993753.60 3994969.45 3994361.52 4194304 10 7674620.20 7679289.30 7676954.75 #---------------------------------------------------------------- # Benchmarking Reduce_scatter # ( #processes = 3 ) #---------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] 0 1000 5.81 7.67 6.68 4 1000 2147.37 2147.38 2147.37 8 1000 2164.01 2164.03 2164.02 16 1000 2181.95 2182.47 2182.22 32 1000 2226.27 2226.30 2226.29 64 1000 2319.33 2319.41 2319.37 128 1000 2586.54 2586.63 2586.58 256 1000 2974.19 2974.37 2974.29 512 1000 3767.38 3767.73 3767.57 1024 1000 5618.99 5619.73 5619.38 2048 1000 8699.22 8700.72 8699.98 4096 1000 14405.72 14408.71 14407.25 8192 1000 24589.32 24594.45 24591.88 16384 1000 53865.42 53875.97 53870.41 32768 1000 384271.03 384289.12 384279.74 65536 640 316697.26 316738.62 316721.79 131072 320 552841.88 552998.65 552936.53 262144 160 919942.39 920549.43 920309.53 524288 80 1856884.69 1859167.49 1858363.65 1048576 40 3302971.22 3312268.47 3308981.65 2097152 20 6356691.75 6446465.35 6399061.28 4194304 10 12590474.40 12744574.40 12691061.23 #===================================================== # # Thanks for using PMB2.2 # # The Pallas team kindly requests that you # give us as much feedback for PMB as possible. # # It would be very helpful when you sent the # output tables of your run(s) of PMB to # # ####################### # # # # # pmb@pallas.com # # # # # ####################### # # You might also add # # - personal information (institution, motivation # for using PMB) # - basic information about the machine you used # (number of CPUs, processor type e.t.c.) # #=====================================================