imb.2.out (3323B)
1 #------------------------------------------------------------ 2 # Intel (R) MPI Benchmarks 4.0, MPI-1 part 3 #------------------------------------------------------------ 4 # Date : Tue Sep 2 19:52:01 2014 5 # Machine : x86_64 6 # System : Linux 7 # Release : 3.10.0-123.4.2.el7.x86_64 8 # Version : #1 SMP Mon Jun 30 16:09:14 UTC 2014 9 # MPI Version : 2.1 10 # MPI Thread Environment: 11 12 # New default behavior from Version 3.2 on: 13 14 # the number of iterations per message size is cut down 15 # dynamically when a certain run time (per message size sample) 16 # is expected to be exceeded. Time limit is defined by variable 17 # "SECS_PER_SAMPLE" (=> IMB_settings.h) 18 # or through the flag => -time 19 20 21 22 # Calling sequence was: 23 24 # /opt/IMB-MPI1 -npmin 4 Exchange 25 26 # Minimum message length in bytes: 0 27 # Maximum message length in bytes: 4194304 28 # 29 # MPI_Datatype : MPI_BYTE 30 # MPI_Datatype for reductions : MPI_FLOAT 31 # MPI_Op : MPI_SUM 32 # 33 # 34 35 # List of Benchmarks to run: 36 37 # Exchange 38 39 #----------------------------------------------------------------------------- 40 # Benchmarking Exchange 41 # #processes = 4 42 #----------------------------------------------------------------------------- 43 #bytes #repetitions t_min[usec] t_max[usec] t_avg[usec] Mbytes/sec 44 0 1000 98.90 99.03 98.99 0.00 45 1 1000 99.01 99.19 99.10 0.04 46 2 1000 98.62 98.77 98.69 0.08 47 4 1000 98.05 98.22 98.14 0.16 48 8 1000 91.94 92.05 91.99 0.33 49 16 1000 82.11 82.26 82.22 0.74 50 32 1000 83.20 83.28 83.24 1.47 51 64 1000 77.64 77.77 77.73 3.14 52 128 1000 77.11 77.22 77.15 6.32 53 256 1000 77.33 77.45 77.38 12.61 54 512 1000 76.98 76.99 76.98 25.37 55 1024 1000 101.23 101.28 101.25 38.57 56 2048 1000 132.10 132.17 132.14 59.11 57 4096 1000 282.17 282.23 282.20 55.36 58 8192 1000 308.08 308.19 308.14 101.40 59 16384 1000 499.96 499.98 499.97 125.01 60 32768 1000 792.64 792.68 792.66 157.69 61 65536 640 1910.08 1910.77 1910.44 130.84 62 131072 320 3989.76 3993.01 3991.45 125.22 63 262144 160 6678.62 6693.28 6682.93 149.40 64 524288 80 13350.71 13370.84 13362.66 149.58 65 1048576 40 25173.57 25221.20 25201.57 158.60 66 2097152 20 50756.69 50866.10 50822.21 157.28 67 4194304 10 87830.28 88079.50 87942.99 181.65 68 69 70 # All processes entering MPI_Finalize