grid-14-virt-clusters

Applications of on-demand virtual clusters to high performance computing
git clone https://git.igankevich.com/grid-14-virt-clusters.git
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imb.6.out (3372B)


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     47 #------------------------------------------------------------
     48 #    Intel (R) MPI Benchmarks 4.0, MPI-1 part    
     49 #------------------------------------------------------------
     50 # Date                  : Tue Sep  2 20:38:33 2014
     51 # Machine               : x86_64
     52 # System                : Linux
     53 # Release               : 3.10.0-123.4.2.el7.x86_64
     54 # Version               : #1 SMP Mon Jun 30 16:09:14 UTC 2014
     55 # MPI Version           : 2.1
     56 # MPI Thread Environment: 
     57 
     58 # New default behavior from Version 3.2 on:
     59 
     60 # the number of iterations per message size is cut down 
     61 # dynamically when a certain run time (per message size sample) 
     62 # is expected to be exceeded. Time limit is defined by variable 
     63 # "SECS_PER_SAMPLE" (=> IMB_settings.h) 
     64 # or through the flag => -time 
     65   
     66 
     67 
     68 # Calling sequence was: 
     69 
     70 # /opt/IMB-MPI1 -npmin 36 Exchange
     71 
     72 # Minimum message length in bytes:   0
     73 # Maximum message length in bytes:   4194304
     74 #
     75 # MPI_Datatype                   :   MPI_BYTE 
     76 # MPI_Datatype for reductions    :   MPI_FLOAT
     77 # MPI_Op                         :   MPI_SUM  
     78 #
     79 #
     80 
     81 # List of Benchmarks to run:
     82 
     83 # Exchange
     84 
     85 #-----------------------------------------------------------------------------
     86 # Benchmarking Exchange 
     87 # #processes = 36 
     88 #-----------------------------------------------------------------------------
     89        #bytes #repetitions  t_min[usec]  t_max[usec]  t_avg[usec]   Mbytes/sec
     90             0         1000        74.06        75.12        74.57         0.00
     91             1         1000        73.84        75.10        74.43         0.05
     92             2         1000        73.50        74.59        74.01         0.10
     93             4         1000        73.96        75.30        74.53         0.20
     94             8         1000        78.15        79.12        78.69         0.39
     95            16         1000        76.32        77.46        76.92         0.79
     96            32         1000        76.21        77.15        76.67         1.58
     97            64         1000        77.31        78.60        77.87         3.11
     98           128         1000        75.22        76.32        75.72         6.40
     99           256         1000        78.95        80.06        79.56        12.20
    100           512         1000        79.25        80.31        79.77        24.32
    101          1024         1000        94.99        96.05        95.41        40.67
    102          2048         1000       121.76       123.63       122.66        63.19
    103          4096         1000       251.67       253.39       252.73        61.66
    104          8192         1000       338.63       341.75       340.27        91.44
    105         16384         1000       470.89       473.60       472.17       131.97
    106         32768         1000      1885.75      1894.23      1890.84        65.99
    107         65536          640      2897.61      2924.93      2913.11        85.47
    108        131072          320      4270.77      4372.56      4324.15       114.35
    109        262144          160     13540.01     14065.11     13805.47        71.10
    110        524288           80     22724.76     24498.16     23580.57        81.64
    111       1048576           40     36426.03     40977.35     38488.82        97.61
    112       2097152           20     66192.45     79037.45     72999.14       101.22
    113       4194304           10    126678.90    167299.20    145594.13        95.64
    114 
    115 
    116 # All processes entering MPI_Finalize
    117