#--------------------------------------------------- # PALLAS MPI Benchmark Suite V2.2, MPI-1 part #--------------------------------------------------- # Date : Mon Jul 15 10:07:52 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: # Allreduce #---------------------------------------------------------------- # Benchmarking Allreduce # ( #processes = 2 ) # ( 1 additional process waiting in MPI_Barrier) #---------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] 0 1000 3.81 4.00 3.91 4 1000 1516.97 1518.04 1517.50 8 1000 1534.56 1535.63 1535.09 16 1000 1548.06 1549.15 1548.61 32 1000 1650.23 1651.33 1650.78 64 1000 1834.80 1835.97 1835.38 128 1000 2123.52 2124.77 2124.15 256 1000 2609.48 2610.93 2610.21 512 1000 3714.93 3716.83 3715.88 1024 1000 5790.00 5792.69 5791.34 2048 1000 8616.41 8619.70 8618.06 4096 1000 12597.06 12602.08 12599.57 8192 1000 20806.81 20815.59 20811.20 16384 1000 207639.26 207643.47 207641.37 32768 1000 287086.23 287097.71 287091.97 65536 640 420612.31 420631.35 420621.83 131072 320 494149.25 494167.45 494158.35 262144 160 828999.08 829096.18 829047.63 524288 80 1395684.59 1395967.11 1395825.85 1048576 40 2553496.40 2554171.57 2553833.99 2097152 20 5037150.40 5039850.05 5038500.22 4194304 10 9962931.10 9974018.70 9968474.90 #---------------------------------------------------------------- # Benchmarking Allreduce # ( #processes = 3 ) #---------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] 0 1000 3.83 5.16 4.34 4 1000 2149.45 2149.94 2149.69 8 1000 2168.69 2169.24 2168.97 16 1000 2179.50 2180.02 2179.76 32 1000 2225.91 2226.46 2226.17 64 1000 2393.97 2394.70 2394.32 128 1000 2764.60 2765.17 2764.80 256 1000 3383.25 3384.02 3383.56 512 1000 4619.96 4621.25 4620.55 1024 1000 7206.48 7208.66 7207.60 2048 1000 10913.81 10917.44 10915.46 4096 1000 17479.66 17487.41 17483.54 8192 1000 42604.38 42617.75 42610.79 16384 1000 187900.04 187917.30 187906.94 32768 1000 377303.48 378433.87 377690.13 65536 640 640092.05 640216.00 640171.31 131072 320 954245.27 958127.72 955678.91 262144 160 1634963.63 1636729.62 1636109.73 524288 80 2697678.96 2704702.96 2702272.27 1048576 40 5118200.12 5145417.67 5136122.18 2097152 20 9647660.40 9810657.90 9755408.20 4194304 10 18816659.40 19273705.30 19118024.93 #===================================================== # # 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.) # #=====================================================