[program]
    [実験環境]
        firefly で計測
        2*2.66 GHz, HHD 1TB, memory 16GB
        読み込んだ file size : 10740996168 Byte (10GB)

        読み込んでから Task が終了するまでの時間を測定

        divide read で一度に読み込む量 : 4*4096*1024 Byte


    % ./fileread -file ../regex_mas/10gb.txt -cpu 12 -dr

    bm_search one task size 16k
    [結果]
          |          -SPE_ANY-|--IO_0---|
    CPUNUM|    MMAP      BRead|   DRead|
        2                      95.865063
        3
        4                      104.667434
        8                      114.974203
       12  111.810354          147.010479
       24                      99.040944

       12 MMAP 111.810354 63.559829 77.970525
    IO_0 BRead  79.868357 115.067654 107.77211 96.924706
 SPE_NUM BRead  102.420338 120.658969 102.126428 118.725368

       11 MMAP 
    IO_0 BRead 99.384507 116.714300 134.678377 97.970632

        4
    IO_0 BRead 102.480095 

        filesize 15GB
        12
    mmap        160.332098 224.448694
    IO_0 BRead     276.518567  205.553947


    bm_search one task size 128k
    [結果]
          |         |-SPE_ANY-|--IO_0---|
    CPUNUM|    MMAP |  BRead  |  BRead  |
        1                      
           MMAP     
           second    35.713130
           IO BRead 
        2                      
           MMAP       94.298429
           second    17.186720 
           IO BRead  100.222430
        3
           MMAP    
           second    12.161487
           IO BRead 
        4                      
           MMAP     135.155317 142.751540 148.916697
           second   12.102094
           IO BRead  109.181394 97.955774  94.676133
        8                      
           MMAP     174.250825 146.720434 147.433098
           second     6.942862   
           IO BRead  90.398165  91.338648 101.322919
       12
           MMAP     181.776079  148.274648   148.439857  147.485801 147.036413 
           second     6.929711   
           IO BRead  95.656162  117.457584    96.305392   91.637826  94.680580
       24