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changeset 38:85f3125dd461

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add result but imcomplete
author Masataka Kohagura <e085726@ie.u-ryukyu.ac.jp>
date Fri, 07 Feb 2014 14:14:22 +0900
parents 4815efa8527b
children 4a4d6e475571
files 2014/February/memo/MMAPvsDivideRead.txt
diffstat 1 files changed, 41 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/2014/February/memo/MMAPvsDivideRead.txt	Thu Feb 06 20:17:25 2014 +0900
+++ b/2014/February/memo/MMAPvsDivideRead.txt	Fri Feb 07 14:14:22 2014 +0900
@@ -0,0 +1,41 @@
+[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