2014/04/18 (Fri)
    [memo]
    word count の再計測

    ./word_count -file 1gb.txt -cpu 12 -division 128 -block 48 -m
    (CPU num = 12)
    < mmap               > 22.713 0.878
    < read               > 12.520 1.469
    < bread & IO_0       > 10.295 0.886
    < bread & SPE_ANY    > 14.028 0.882

    (CPU num = 8)
    < mmap               > 22.789 0.952
    < read               > 14.785 1.571
    < bread & IO_0       > 14.774 0.857
    < bread & SPE_ANY    > 15.287 1.009

    (CPU num = 4)
    < mmap               > 22.861 1.739
    < read               > 15.737 2.303
    < bread & IO_0       > 14.634 1.565
    < bread & SPE_ANY    > 15.646 1.941

    (CPU num = 1)
    < mmap               > 20.179 6.521
    < read               > 21.351 6.832
    < bread & IO_0       > 13.930 6.009
    < bread & IO_0       > 18.531 6.775



    ./word_count -file X gb.txt -cpu 12 -division 128 -block 48 -m
    (file size 2GB)
    < mmap               > 34.072
    < read               > 24.755
    < bread & IO_0       > 21.396
    < bread & SPE_ANY    > 23.909

    (file size 3GB)
    < mmap               > 52.819
    < read               > 33.398
    < bread & IO_0       > 32.798
    < bread & SPE_ANY    > 37.140

    (file size 4GB)
    < mmap               > 68.951
    < read               > 43.578
    < bread & IO_0       > 42.491
    < bread & SPE_ANY    > 48.078




    ./word_count -file 1gb.txt -cpu 12 -division 16 -block 48 -m
    < mmap               > 11.137 0.854
    < read               > 11.437 1.487
    < bread & IO_0       > 11.412 0.847
    < bread & SPE_ANY    > 11.146 0.866

    ./word_count -file 1gb.txt -cpu 1 -division 16 -block 48 -m
    < mmap               > 15.353
    < read               > 16.846
    < bread & IO_0       > 11.503 6.992
    < bread & SPE_ANY    > 13.297

    ./word_count -file 1gb.txt -cpu 8 -division 16 -block 48 -m
    < mmap               > 11.707
    < read               > 11.487
    < bread & IO_0       > 11.365
    < bread & SPE_ANY    > 10.887



    ./word_count -file 1gb.txt -cpu 1 -division 128 -block 48 -br
    14.210562 15.025856 13.118798 14.155912 13.137139       13.930

    ./word_count -file 1gb.txt -cpu 1 -division 128 -block 48 -br spe_any
    21.347 18.110 15.926 18.128 19.143                      18.531 

    ./word_count -file 1gb.txt -cpu 1 -division 128 -block 48 -r
    19.669 19.612 22.830 22.116 22.528                      21.351

    ./word_count -file 1gb.txt -cpu 1 -division 128 -block 48 -m
    18.604 22.576 15.844 22.019 21.852                      20.179

    ./word_count -file 1gb.txt -cpu 4 -division 128 -block 48 -m
    20.963 24.989 19.770 20.893 27.692                      22.861
    
    ./word_count -file 1gb.txt -cpu 4 -division 128 -block 48 -r
    14.331 14.403 16.493 15.652 17.808                      15.737
    
    ./word_count -file 1gb.txt -cpu 4 -division 128 -block 48 -br spe_any
    14.369 13.818 17.198 15.796 17.051                      15.646
    
    ./word_count -file 1gb.txt -cpu 4 -division 128 -block 48 -br IO_0
    12.898 14.056 15.115 15.839 15.263                      14.634

    ./word_count -file 1gb.txt -cpu 4 -division 128 -block 48 -br IO_0
    12.898 14.056 15.115 15.839 15.263                      14.634

    ./word_count -file 1gb.txt -cpu 8 -division 128 -block 48 -br spe_any
    14.995 13.622 15.332 16.686 15.802 A                    15.287

    ./word_count -file 1gb.txt -cpu 8 -division 128 -block 48 -br IO_0
    12.351 15.303 17.811 14.310 14.094                      14.774

    ./word_count -file 1gb.txt -cpu 8 -division 128 -block 48 -m
    20.071 20.652 27.683 23.919 22.070                      22.789

    ./word_count -file 1gb.txt -cpu 8 -division 128 -block 48 -r
    15.542 14.062 14.255 14.541 15.524                      14.785

    ./word_count -file 1gb.txt -cpu 12 -division 128 -block 48 -m
    20.415 23.049 27.368 20.539 22.195                      22.713

    ./word_count -file 2gb.txt -cpu 12 -division 128 -block 48 -m
    40.646 41.631 34.220 36.335                             38.208

    ./word_count -file 2gb.txt -cpu 12 -division 128 -block 48 -br
    27.800 30.437 26.995                                    28.411

    ./word_count -file 2gb.txt -cpu 12 -division 128 -block 48 -br io_0
    21.977 23.126 28.174 25.038 22.688                      24.201

    ./word_count -file 3gb.txt -cpu 12 -division 128 -block 48 -m
    51.671 61.249 59.457 56.704 63.490                      58.514

    ./word_count -file 4gb.txt -cpu 12 -division 128 -block 48 -m
    65.671 73.202 77.090 76.386 76.017                      73.767

    ./word_count -file 4gb.txt -cpu 12 -division 128 -block 48 -br io_0
    43.864 51.867 49.750 49.981 44.271                      47.967

    ./word_count -file 3gb.txt -cpu 12 -division 128 -block 48 -br io_0
    29.918 35.544 36.423 39.121 41.158                      36.397

    ./word_count -file 4gb.txt -cpu 12 -division 128 -block 48 -br SPE_ANY
    50.935 57.769 54.234 54.155 52.010                      53.813

    ./word_count -file 3gb.txt -cpu 12 -division 128 -block 48 -br SPE_ANY
    45.513 40.117 42.841 38.430 41.798                      41.740

    ./word_count -file 2gb.txt -cpu 12 -division 128 -block 48 -br SPE_ANY
    23.304 24.006 22.301 23.292 25.107                      23.602