Mercurial > hg > Members > masakoha > masa
view 2014/February/memo/MMAPvsDivideRead.txt @ 38:85f3125dd461
add result but imcomplete
author | Masataka Kohagura <e085726@ie.u-ryukyu.ac.jp> |
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date | Fri, 07 Feb 2014 14:14:22 +0900 |
parents | 4815efa8527b |
children | 4a4d6e475571 |
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[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 DRead| MMAP DRead| 1 2 68.971206 95.865063 3 4 74.588351 104.667434 5 6 98.992865 95.331606 7 8 69.480705 114.974203 9 10 11 12 82.505081 99.524560 13 14 15 16 17 18 19 20 21 22 23 24 65.371087 99.040944