#--------------------------------------------------- # PALLAS MPI Benchmark Suite V2.2, MPI-1 part #--------------------------------------------------- # Date : Thu Jul 11 10:38:31 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 5.50 6.66 6.08 4 1000 1417.12 1417.97 1417.55 8 1000 1425.29 1426.13 1425.71 16 1000 1445.02 1445.88 1445.45 32 1000 1461.56 1462.41 1461.98 64 1000 1540.51 1541.38 1540.94 128 1000 1797.80 1798.75 1798.28 256 1000 1973.65 1974.50 1974.08 512 1000 2475.85 2476.91 2476.38 1024 1000 3476.85 3478.13 3477.49 2048 1000 5301.97 5303.16 5302.56 4096 1000 8581.16 8583.38 8582.27 8192 1000 14940.57 14944.14 14942.36 16384 1000 524999.80 526001.57 525500.69 32768 1000 406133.90 407146.84 406640.37 65536 640 484173.09 484190.68 484181.88 131072 320 649644.32 649681.23 649662.77 262144 160 841340.23 841435.63 841387.93 524288 80 1281982.03 1282097.72 1282039.88 1048576 40 2368406.45 2368800.62 2368603.54 2097152 20 3885524.50 3886905.70 3886215.10 4194304 10 7723455.80 7727791.20 7725623.50 #---------------------------------------------------------------- # Benchmarking Reduce_scatter # ( #processes = 3 ) #---------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] 0 1000 5.86 7.62 6.67 4 1000 2028.23 2028.24 2028.24 8 1000 2043.96 2043.99 2043.98 16 1000 2039.06 2039.33 2039.23 32 1000 2164.84 2164.86 2164.85 64 1000 2142.73 2142.82 2142.76 128 1000 2289.46 2289.51 2289.48 256 1000 2557.32 2557.41 2557.37 512 1000 3150.12 3150.26 3150.20 1024 1000 4544.82 4545.26 4545.03 2048 1000 7300.04 7300.97 7300.43 4096 1000 12762.51 12764.45 12763.33 8192 1000 25829.03 25833.58 25831.14 16384 1000 56441.00 56449.81 56445.05 32768 1000 499493.88 499511.00 499501.72 65536 640 527069.61 527106.11 527091.61 131072 320 665613.12 665767.27 665699.15 262144 160 1105282.48 1112215.47 1107804.21 524288 80 2034170.88 2036618.16 2035748.36 1048576 40 3580203.93 3589689.63 3586312.28 2097152 20 6745975.00 6786297.65 6772326.32 4194304 10 13046109.00 13305532.40 13183498.83 #===================================================== # # 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.) # #=====================================================