grid-14-virt-clusters

Applications of on-demand virtual clusters to high performance computing
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imb.7.out (3326B)


      1 #------------------------------------------------------------
      2 #    Intel (R) MPI Benchmarks 4.0, MPI-1 part    
      3 #------------------------------------------------------------
      4 # Date                  : Tue Sep  2 19:57:46 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 49 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 = 49 
     42 #-----------------------------------------------------------------------------
     43        #bytes #repetitions  t_min[usec]  t_max[usec]  t_avg[usec]   Mbytes/sec
     44             0         1000        97.75        99.66        98.81         0.00
     45             1         1000        97.82        99.83        98.85         0.04
     46             2         1000       105.25       107.38       106.36         0.07
     47             4         1000       100.88       102.50       101.64         0.15
     48             8         1000       100.09       101.87       100.83         0.30
     49            16         1000       100.85       102.29       101.62         0.60
     50            32         1000       101.43       103.54       102.63         1.18
     51            64         1000       104.53       107.05       105.95         2.28
     52           128         1000       104.17       106.29       105.38         4.59
     53           256         1000       101.10       103.01       102.09         9.48
     54           512         1000       104.13       106.40       105.20        18.36
     55          1024         1000       117.25       119.33       118.44        32.74
     56          2048         1000       153.01       156.07       154.39        50.06
     57          4096         1000       290.69       293.37       291.98        53.26
     58          8192         1000       367.04       370.63       368.71        84.32
     59         16384         1000       521.66       525.81       523.44       118.86
     60         32768         1000      1261.64      1273.01      1266.77        98.19
     61         65536          640     10811.43     10846.51     10827.70        23.05
     62        131072          320     10699.39     10816.30     10762.64        46.23
     63        262144          160     14439.80     17407.31     16419.20        57.45
     64        524288           80     22136.29     25226.35     23875.93        79.28
     65       1048576           40     38253.68     48206.15     41965.39        82.98
     66       2097152           20     71648.30     88293.15     78477.93        90.61
     67       4194304           10    126263.69    180330.80    148353.04        88.73
     68 
     69 
     70 # All processes entering MPI_Finalize
     71