#--------------------------------------------------- #--------------------------------------------------- # Date : Fri Aug 20 02:44:40 2004 # Machine : i686# System : Linux # Release : 2.4.25generic # Version : #3 SMP Wed Mar 17 15:41:21 PST 2004 # # 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: # PingPong # PingPing # Sendrecv # Exchange # Allreduce # Reduce # Reduce_scatter # Allgather # Allgatherv # Alltoall # Bcast # Barrier #--------------------------------------------------- # Benchmarking PingPong # ( #processes = 2 ) #--------------------------------------------------- #bytes #repetitions t[usec] Mbytes/sec 0 100 20.74 0.00 1 100 24.94 0.04 2 100 24.61 0.08 4 100 25.22 0.15 8 100 24.99 0.31 16 100 25.10 0.61 32 100 25.21 1.21 64 100 25.50 2.39 128 100 25.50 4.79 256 100 26.09 9.36 512 100 31.18 15.66 1024 100 35.27 27.69 2048 100 44.55 43.84 4096 100 53.23 73.39 8192 100 75.32 103.72 16384 100 102.11 153.02 32768 100 143.31 218.06 65536 100 235.71 265.16 131072 100 479.98 260.43 262144 100 940.59 265.79 524288 80 1796.39 278.34 1048576 40 3478.80 287.46 2097152 20 6797.15 294.24 4194304 10 13637.45 293.31 #--------------------------------------------------- # Benchmarking PingPing # ( #processes = 2 ) #--------------------------------------------------- #bytes #repetitions t[usec] Mbytes/sec 0 100 21.44 0.00 1 100 30.01 0.03 2 100 27.75 0.07 4 100 28.58 0.13 8 100 27.53 0.28 16 100 28.26 0.54 32 100 29.30 1.04 64 100 29.21 2.09 128 100 31.95 3.82 256 100 36.33 6.72 512 100 37.37 13.07 1024 100 41.52 23.52 2048 100 51.06 38.25 4096 100 60.89 64.15 8192 100 84.60 92.35 16384 100 130.71 119.54 32768 100 186.08 167.94 65536 100 324.07 192.86 131072 100 698.89 178.85 262144 100 1459.34 171.31 524288 80 2884.37 173.35 1048576 40 5726.55 174.63 2097152 20 11365.25 175.98 4194304 10 22454.88 178.13 #----------------------------------------------------------------------------- # Benchmarking Sendrecv # ( #processes = 2 ) #----------------------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] Mbytes/sec 0 100 21.26 21.30 21.28 0.00 1 100 27.90 28.16 28.03 0.07 2 100 27.42 27.75 27.59 0.14 4 100 27.75 28.09 27.92 0.27 8 100 28.08 28.49 28.29 0.54 16 100 28.43 28.80 28.61 1.06 32 100 31.07 31.09 31.08 1.96 64 100 28.60 28.81 28.71 4.24 128 100 31.07 31.31 31.19 7.80 256 100 35.53 35.53 35.53 13.74 512 100 37.49 37.56 37.52 26.00 1024 100 41.51 41.59 41.55 46.96 2048 100 49.91 50.01 49.96 78.11 4096 100 59.34 59.37 59.36 131.59 8192 100 82.58 82.82 82.70 188.66 16384 100 126.66 127.06 126.86 245.95 32768 100 184.60 185.13 184.86 337.60 65536 100 320.39 321.10 320.75 389.29 131072 100 700.74 700.77 700.76 356.75 262144 100 1454.15 1454.33 1454.24 343.80 524288 80 2902.29 2903.16 2902.73 344.45 1048576 40 5654.03 5656.18 5655.10 353.60 2097152 20 11084.45 11085.34 11084.90 360.84 4194304 10 22223.00 22228.91 22225.95 359.89 #----------------------------------------------------------------------------- # Benchmarking Exchange # ( #processes = 2 ) #----------------------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] Mbytes/sec 0 100 31.99 32.30 32.14 0.00 1 100 56.90 57.04 56.97 0.07 2 100 57.63 57.69 57.66 0.13 4 100 56.53 56.73 56.63 0.27 8 100 57.36 57.47 57.42 0.53 16 100 57.51 57.71 57.61 1.06 32 100 57.32 57.52 57.42 2.12 64 100 57.30 57.41 57.35 4.25 128 100 59.15 59.31 59.23 8.23 256 100 64.92 65.04 64.98 15.02 512 100 67.86 67.98 67.92 28.73 1024 100 74.03 74.13 74.08 52.70 2048 100 87.64 87.66 87.65 89.12 4096 100 105.40 105.53 105.47 148.06 8192 100 143.16 143.55 143.36 217.69 16384 100 207.32 207.60 207.46 301.06 32768 100 337.59 338.53 338.06 369.24 65536 100 597.13 597.54 597.33 418.38 131072 100 1396.06 1396.27 1396.16 358.10 262144 100 2906.56 2907.06 2906.81 343.99 524288 80 5794.59 5794.64 5794.61 345.15 1048576 40 11189.95 11190.30 11190.13 357.45 2097152 20 22261.14 22262.25 22261.70 359.35 4194304 10 44269.68 44271.78 44270.73 361.40 #---------------------------------------------------------------- # Benchmarking Allreduce # ( #processes = 2 ) #---------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] 0 100 0.09 0.09 0.09 4 100 28.68 28.89 28.78 8 100 29.21 29.27 29.24 16 100 29.76 29.77 29.76 32 100 29.20 29.44 29.32 64 100 31.10 31.33 31.22 128 100 32.55 32.73 32.64 256 100 36.73 36.77 36.75 512 100 39.87 40.17 40.02 1024 100 43.58 43.63 43.60 2048 100 53.48 53.63 53.55 4096 100 102.12 102.17 102.14 8192 100 124.13 124.14 124.14 16384 100 169.67 169.77 169.72 32768 100 270.80 271.06 270.93 65536 100 403.86 404.13 403.99 131072 100 866.60 867.31 866.95 262144 100 2127.11 2127.40 2127.26 524288 80 4600.55 4600.78 4600.66 1048576 40 9027.75 9028.87 9028.31 2097152 20 17586.04 17587.54 17586.79 4194304 10 34277.20 34288.79 34282.99 #---------------------------------------------------------------- # Benchmarking Reduce # ( #processes = 2 ) #---------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] 0 100 0.13 0.14 0.14 4 100 26.60 27.00 26.80 8 100 26.58 27.00 26.79 16 100 26.83 27.19 27.01 32 100 27.14 27.57 27.36 64 100 39.03 39.40 39.21 128 100 27.47 27.75 27.61 256 100 28.33 28.59 28.46 512 100 32.98 33.44 33.21 1024 100 36.82 37.33 37.08 2048 100 45.72 46.28 46.00 4096 100 69.67 69.92 69.80 8192 100 89.53 90.16 89.84 16384 100 119.69 120.54 120.11 32768 100 183.06 183.95 183.50 65536 100 405.26 406.01 405.64 131072 100 936.73 937.58 937.15 262144 100 2211.35 2212.38 2211.86 524288 80 4492.66 4493.20 4492.93 1048576 40 8796.72 8799.67 8798.20 2097152 20 16898.35 16920.09 16909.22 4194304 10 33280.01 33390.90 33335.46 #---------------------------------------------------------------- # Benchmarking Reduce_scatter # ( #processes = 2 ) #---------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] 0 100 0.32 0.32 0.32 4 100 11.35 14.67 13.01 8 100 30.39 30.54 30.47 16 100 29.98 30.22 30.10 32 100 30.72 30.88 30.80 64 100 30.15 30.28 30.21 128 100 31.89 31.99 31.94 256 100 33.60 33.65 33.63 512 100 37.99 38.12 38.06 1024 100 40.18 40.23 40.21 2048 100 45.30 45.39 45.34 4096 100 54.37 54.45 54.41 8192 100 63.94 64.14 64.04 16384 100 88.03 88.57 88.30 32768 100 144.74 145.42 145.08 65536 100 371.43 371.89 371.66 131072 100 740.49 740.62 740.56 262144 100 1917.97 1918.49 1918.23 524288 80 2497.18 2497.54 2497.36 1048576 40 5217.58 5217.73 5217.65 2097152 20 10192.05 10194.99 10193.52 4194304 10 19761.30 19775.20 19768.25 #---------------------------------------------------------------- # Benchmarking Allgather # ( #processes = 2 ) #---------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] 0 100 0.08 0.09 0.09 1 100 27.94 28.29 28.11 2 100 28.11 28.30 28.20 4 100 27.12 27.32 27.22 8 100 28.53 28.71 28.62 16 100 28.53 28.66 28.59 32 100 29.07 29.28 29.18 64 100 29.77 29.96 29.87 128 100 30.54 30.61 30.58 256 100 35.91 35.94 35.92 512 100 39.06 39.20 39.13 1024 100 40.64 40.73 40.69 2048 100 49.99 50.09 50.04 4096 100 60.77 60.94 60.86 8192 100 85.33 85.53 85.43 16384 100 130.03 130.30 130.17 32768 100 190.66 191.08 190.87 65536 100 341.45 342.01 341.73 131072 100 822.13 822.32 822.22 262144 100 1900.69 1900.97 1900.83 524288 80 3742.30 3742.32 3742.31 1048576 40 7437.97 7438.47 7438.22 2097152 20 14750.74 14750.95 14750.84 4194304 10 29634.71 29636.88 29635.80 #---------------------------------------------------------------- # Benchmarking Allgatherv # ( #processes = 2 ) #---------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] 0 100 0.09 0.10 0.09 1 100 28.58 28.89 28.73 2 100 28.75 28.93 28.84 4 100 28.68 29.00 28.84 8 100 29.03 29.24 29.14 16 100 28.26 28.72 28.49 32 100 29.67 29.97 29.82 64 100 29.79 30.00 29.90 128 100 38.12 38.28 38.20 256 100 36.41 36.82 36.62 512 100 39.03 39.12 39.07 1024 100 41.72 42.17 41.94 2048 100 52.29 52.33 52.31 4096 100 60.59 60.60 60.59 8192 100 81.84 82.40 82.12 16384 100 137.57 137.87 137.72 32768 100 209.42 209.73 209.58 65536 100 546.32 546.42 546.37 131072 100 1522.79 1523.45 1523.12 262144 100 1889.02 1889.14 1889.08 524288 80 3790.93 3791.20 3791.06 1048576 40 7430.77 7431.30 7431.04 2097152 20 14911.95 14914.94 14913.45 4194304 10 29577.21 29583.41 29580.31 #---------------------------------------------------------------- # Benchmarking Alltoall # ( #processes = 2 ) #---------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] 0 100 0.08 0.09 0.08 1 100 28.79 28.91 28.85 2 100 29.59 29.81 29.70 4 100 30.92 31.15 31.03 8 100 30.21 30.42 30.31 16 100 29.92 30.11 30.01 32 100 29.76 30.08 29.92 64 100 31.75 31.89 31.82 128 100 33.20 33.52 33.36 256 100 36.62 36.71 36.67 512 100 39.51 39.58 39.54 1024 100 42.88 42.89 42.89 2048 100 52.57 52.66 52.61 4096 100 63.57 63.72 63.64 8192 100 87.63 87.84 87.73 16384 100 131.96 132.41 132.19 32768 100 203.21 204.05 203.63 65536 100 378.89 378.92 378.91 131072 100 975.92 976.29 976.10 262144 100 2028.53 2028.66 2028.60 524288 80 3938.59 3938.61 3938.60 1048576 40 7607.23 7607.72 7607.47 2097152 20 15203.40 15204.70 15204.05 4194304 10 30411.51 30418.09 30414.80 #---------------------------------------------------------------- # Benchmarking Bcast # ( #processes = 2 ) #---------------------------------------------------------------- #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] 0 100 0.08 0.11 0.10 1 100 25.14 25.32 25.23 2 100 25.18 25.24 25.21 4 100 25.19 25.23 25.21 8 100 25.42 25.49 25.46 16 100 25.38 25.48 25.43 32 100 25.21 25.24 25.22 64 100 26.17 26.20 26.18 128 100 26.98 27.00 26.99 256 100 26.45 26.49 26.47 512 100 31.65 31.73 31.69 1024 100 35.32 35.51 35.41 2048 100 44.50 44.69 44.60 4096 100 53.87 53.96 53.91 8192 100 74.25 74.44 74.34 16384 100 101.09 101.39 101.24 32768 100 144.86 145.29 145.08 65536 100 232.01 232.64 232.32 131072 100 479.38 480.14 479.76 262144 100 946.18 946.75 946.47 524288 80 1823.41 1826.09 1824.75 1048576 40 3623.28 3643.85 3633.56 2097152 20 7087.05 7185.26 7136.15 4194304 10 13846.40 14152.69 13999.55 #--------------------------------------------------- # Benchmarking Barrier # ( #processes = 2 ) #--------------------------------------------------- #repetitions t_min[usec] t_max[usec] t_avg[usec] 100 21.19 21.36 21.28 #===================================================== # 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