#--------------------------------------------------- # PALLAS MPI Benchmark Suite V2.2, MPI-1 part #--------------------------------------------------- # Date : Wed Jul 10 19:12:34 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 3.98 3.90 4 1000 1342.00 1342.42 1342.21 8 1000 1351.40 1351.80 1351.60 16 1000 1379.70 1379.95 1379.82 32 1000 1392.47 1393.25 1392.86 64 1000 1552.86 1553.34 1553.10 128 1000 1735.29 1735.80 1735.54 256 1000 2025.32 2025.95 2025.64 512 1000 2706.40 2707.25 2706.83 1024 1000 3967.30 3968.53 3967.92 2048 1000 6235.56 6237.34 6236.45 4096 1000 11523.92 11527.14 11525.53 8192 1000 471933.82 471941.02 471937.42 16384 1000 372983.20 373995.39 373489.29 32768 1000 470411.11 470417.70 470414.41 65536 640 552781.90 552797.84 552789.87 131072 320 718510.19 718547.17 718528.68 262144 160 928206.99 934495.49 931351.24 524288 80 1496239.12 1496401.57 1496320.35 1048576 40 2857331.70 2883171.72 2870251.71 2097152 20 5444624.10 5497332.70 5470978.40 4194304 10 10374242.60 10384271.00 10379256.80 #---------------------------------------------------------------- # Benchmarking Allreduce # ( #processes = 3 ) #---------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] 0 1000 3.84 5.13 4.34 4 1000 2021.24 2021.75 2021.50 8 1000 2050.92 2051.45 2051.18 16 1000 2035.92 2036.44 2036.18 32 1000 2038.90 2039.47 2039.19 64 1000 2164.62 2165.30 2164.94 128 1000 2426.62 2427.20 2426.87 256 1000 2825.20 2825.82 2825.45 512 1000 3723.01 3723.88 3723.34 1024 1000 5469.69 5471.11 5470.28 2048 1000 10548.00 10550.48 10548.89 4096 1000 19143.71 19150.81 19146.77 8192 1000 568244.33 569246.09 568909.37 16384 1000 614097.24 614116.81 614105.09 32768 1000 629027.18 629063.50 629051.25 65536 640 764192.96 764342.56 764286.53 131072 320 1336392.63 1336813.13 1336662.84 262144 160 1982525.34 1984205.40 1983626.92 524288 80 3292265.99 3299177.08 3296785.45 1048576 40 5484421.65 5537510.70 5511228.48 2097152 20 10254963.40 10366330.55 10328377.17 4194304 10 18978881.40 19520736.40 19303218.30 #===================================================== # # 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.) # #=====================================================