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.2.out (3334B)


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     11 #------------------------------------------------------------
     12 #    Intel (R) MPI Benchmarks 4.0, MPI-1 part    
     13 #------------------------------------------------------------
     14 # Date                  : Tue Sep  2 20:07:46 2014
     15 # Machine               : x86_64
     16 # System                : Linux
     17 # Release               : 3.10.0-123.4.2.el7.x86_64
     18 # Version               : #1 SMP Mon Jun 30 16:09:14 UTC 2014
     19 # MPI Version           : 2.1
     20 # MPI Thread Environment: 
     21 
     22 # New default behavior from Version 3.2 on:
     23 
     24 # the number of iterations per message size is cut down 
     25 # dynamically when a certain run time (per message size sample) 
     26 # is expected to be exceeded. Time limit is defined by variable 
     27 # "SECS_PER_SAMPLE" (=> IMB_settings.h) 
     28 # or through the flag => -time 
     29   
     30 
     31 
     32 # Calling sequence was: 
     33 
     34 # /opt/IMB-MPI1 -npmin 4 Exchange
     35 
     36 # Minimum message length in bytes:   0
     37 # Maximum message length in bytes:   4194304
     38 #
     39 # MPI_Datatype                   :   MPI_BYTE 
     40 # MPI_Datatype for reductions    :   MPI_FLOAT
     41 # MPI_Op                         :   MPI_SUM  
     42 #
     43 #
     44 
     45 # List of Benchmarks to run:
     46 
     47 # Exchange
     48 
     49 #-----------------------------------------------------------------------------
     50 # Benchmarking Exchange 
     51 # #processes = 4 
     52 #-----------------------------------------------------------------------------
     53        #bytes #repetitions  t_min[usec]  t_max[usec]  t_avg[usec]   Mbytes/sec
     54             0         1000        56.00        56.04        56.02         0.00
     55             1         1000        61.89        61.93        61.91         0.06
     56             2         1000        64.28        64.36        64.32         0.12
     57             4         1000        69.04        69.11        69.07         0.22
     58             8         1000        71.74        71.83        71.77         0.42
     59            16         1000        73.95        74.09        73.99         0.82
     60            32         1000        75.64        75.76        75.71         1.61
     61            64         1000        76.01        76.15        76.06         3.21
     62           128         1000        76.17        76.20        76.18         6.41
     63           256         1000        75.97        76.02        75.99        12.85
     64           512         1000        76.12        76.17        76.14        25.64
     65          1024         1000        81.07        81.19        81.11        48.11
     66          2048         1000       125.03       125.16       125.10        62.42
     67          4096         1000       254.74       254.80       254.77        61.32
     68          8192         1000       374.62       374.85       374.78        83.37
     69         16384         1000       482.23       482.48       482.36       129.54
     70         32768         1000       747.73       748.13       747.90       167.08
     71         65536          640      1788.50      1788.51      1788.50       139.78
     72        131072          320      3193.73      3194.08      3193.91       156.54
     73        262144          160      6132.72      6145.24      6135.96       162.73
     74        524288           80     13401.91     13444.19     13430.79       148.76
     75       1048576           40     26707.00     26779.05     26748.96       149.37
     76       2097152           20     46500.00     47279.00     46900.35       169.21
     77       4194304           10     86701.39     86879.40     86791.04       184.16
     78 
     79 
     80 # All processes entering MPI_Finalize
     81