Mercurial > hg > Members > masakoha > masa
annotate 2014/February/memo/MMAPvsDivideRead.txt @ 40:2b55530913a2
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author | Masataka Kohagura <e085726@ie.u-ryukyu.ac.jp> |
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date | Sat, 08 Feb 2014 18:39:37 +0900 |
parents | 4a4d6e475571 |
children | 069bd7447975 |
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1 [program] |
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2 [実験環境] |
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3 firefly で計測 |
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4 2*2.66 GHz, HHD 1TB, memory 16GB |
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5 読み込んだ file size : 10740996168 Byte (10GB) |
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6 |
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7 読み込んでから Task が終了するまでの時間を測定 |
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8 |
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9 divide read で一度に読み込む量 : 4*4096*1024 Byte |
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10 |
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11 |
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12 % ./fileread -file ../regex_mas/10gb.txt -cpu 12 -dr |
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13 |
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14 bm_search one task size 16k |
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15 [結果] |
39 | 16 | -SPE_ANY-|--IO_0---| |
40
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17 CPUNUM| MMAP BRead| DRead| |
39 | 18 2 95.865063 |
38
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19 3 |
39 | 20 4 104.667434 |
21 8 114.974203 | |
22 12 111.810354 147.010479 | |
23 24 99.040944 | |
24 | |
25 12 MMAP 111.810354 63.559829 77.970525 | |
26 IO_0 BRead 79.868357 115.067654 107.77211 96.924706 | |
27 SPE_NUM BRead 102.420338 120.658969 102.126428 118.725368 | |
28 | |
29 11 MMAP | |
30 IO_0 BRead 99.384507 116.714300 134.678377 97.970632 | |
31 | |
32 4 | |
33 IO_0 BRead 102.480095 | |
34 | |
35 filesize 15GB | |
36 12 | |
37 mmap 160.332098 224.448694 | |
38 IO_0 BRead 276.518567 205.553947 | |
39 | |
40
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40 |
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41 bm_search one task size 128k |
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42 [結果] |
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43 | |-SPE_ANY-|--IO_0---| |
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44 CPUNUM| MMAP | BRead | BRead | |
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45 1 |
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46 MMAP |
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47 second 35.713130 |
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48 IO BRead |
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49 2 |
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50 MMAP 94.298429 |
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51 second 17.186720 |
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52 IO BRead 100.222430 |
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53 3 |
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54 MMAP |
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55 second 12.161487 |
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56 IO BRead |
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57 4 |
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58 MMAP 135.155317 142.751540 148.916697 |
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59 second 12.102094 |
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60 IO BRead 109.181394 97.955774 94.676133 |
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61 8 |
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62 MMAP 174.250825 146.720434 147.433098 |
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63 second 6.942862 |
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64 IO BRead 90.398165 91.338648 101.322919 |
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65 12 |
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66 MMAP 181.776079 148.274648 148.439857 147.485801 147.036413 |
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67 second 6.929711 |
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68 IO BRead 95.656162 117.457584 96.305392 91.637826 94.680580 |
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69 24 |