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changeset 52:9a75333cc202

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add read benchmark
author Daichi TOMA <toma@cr.ie.u-ryukyu.ac.jp>
date Mon, 10 Feb 2014 06:25:52 +0900
parents 20f33c43722d
children 4675d3e5fee3
files paper/benchmark/read7.8/linear.dat paper/benchmark/read7.8/read.dat paper/benchmark/read7.8/read.eps paper/benchmark/read7.8/read.pdf paper/benchmark/read7.8/read.plt paper/benchmark/read7.8/read_with_qa.dat paper/chapter4.tex paper/images/read.pdf paper/images/read.xbb paper/master_paper.pdf
diffstat 10 files changed, 773 insertions(+), 16 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/benchmark/read7.8/linear.dat	Mon Feb 10 06:25:52 2014 +0900
@@ -0,0 +1,24 @@
+1 1
+2 2
+3 3
+4 4
+5 5
+6 6
+7 7
+8 8
+9 9
+10 10
+11 11
+12 12
+13 13
+14 14
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+16 16
+17 17
+18 18
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+23 23
+24 24
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/benchmark/read7.8/read.dat	Mon Feb 10 06:25:52 2014 +0900
@@ -0,0 +1,24 @@
+1 1
+2 1.98
+3 2.93
+4 3.93
+5 4.89
+6 5.90
+7 5.84
+8 5.91
+9 6.16
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+12 7.17
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+20 9.31
+21 8.87
+22 9.19
+23 9.43
+24 7.42
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/benchmark/read7.8/read.eps	Mon Feb 10 06:25:52 2014 +0900
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+%%Trailer
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Binary file paper/benchmark/read7.8/read.pdf has changed
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/benchmark/read7.8/read.plt	Mon Feb 10 06:25:52 2014 +0900
@@ -0,0 +1,8 @@
+set terminal postscript eps
+set output "read.eps"
+
+set xrange [1:24]
+set xlabel "number of cpus"
+set ylabel "speedup"
+
+plot "read.dat" using 1:2 with lines linewidth 2 linecolor rgbcolor "red" title "read", "read_with_qa.dat" using 1:2 with lines linewidth 2 linecolor rgbcolor "navy" title "read with affinity", "linear.dat" using 1:2 with lines linewidth 2 linecolor rgbcolor "purple" title "linear"
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/benchmark/read7.8/read_with_qa.dat	Mon Feb 10 06:25:52 2014 +0900
@@ -0,0 +1,24 @@
+1 1
+2 1.79
+3 2.91
+4 3.79
+5 4.83
+6 5.69
+7 6.72
+8 6.93
+9 8.27
+10 8.90
+11 9.60
+12 10.37
+13 8.85
+14 9.96
+15 10.77
+16 10.49
+17 10.99
+18 11.01
+19 11.15
+20 11.13
+21 11.73
+22 11.64
+23 12.6
+24 0.48
--- a/paper/chapter4.tex	Mon Feb 10 05:21:32 2014 +0900
+++ b/paper/chapter4.tex	Mon Feb 10 06:25:52 2014 +0900
@@ -73,25 +73,25 @@
 13スレッド以上のハイパースレッディングを用いた計測は, 16スレッド実行時に実行時間が最も短くなる.
 しかし, それ以降遅くなったりするなど安定しない結果となっている.
 
-Haskell では並列実行時にOSの親和性機能を使ってOSスレッドをCPUコアに固定することができる.
+Haskell では並列実行時にOSのaffinity（親和性）機能を使ってOSスレッドをCPUコアに固定することができる.
 OSスレッドをCPUコアに固定するには, 実行時に-qaオプションを付けてプログラムを起動する.
-OSの親和性機能を使った場合、2 スレッドで 1.80 倍, 12 スレッドで 10.37 倍の性能向上が見られ, 12スレッド時の性能向上率が大幅に伸びている.
-並列に読み込む場合、スレッドを同じプロセッサ上で実行させると性能が向上することがわかる.
-しかし、24 スレッドで実行する場合、実行時間が大幅に伸びている.
-スレッドがCPUに固定されるため, 性能計測以外のプログラムが実行される場合にうまくスケジューリングが行われないためだと考えられる.
+OSの親和性機能を使った場合, 2 スレッドで 1.80 倍, 12 スレッドで 10.37 倍の性能向上が見られ, 12スレッド時の性能向上率が大幅に伸びている.
+並列に読み込む場合, スレッドを同じプロセッサ上で実行させると性能が向上することがわかる.
+しかし, 24 スレッドで実行する場合, 実行時間が大幅に伸びている.
+スレッドがCPUに固定されるため, 性能計測以外のプログラムがうまくスケジューリングされないためだと考えられる.
 
 \begin{table}[!htbp]
 \begin{center}
 \begin{tabular}{|c||r|r|} \hline
   CPU数 & 通常実行 & qaオプションあり\\ \hline
-  1 & 60.95 s & \\ 61.00 s \hline
-  2 & 30.83 s & \\ 33.95 s \hline
-  4 & 15.49 s & \\ 16.10 s \hline
-  8 & 10.31 s & \\ 8.79 s \hline
-  12 & 8.49 s & \\ 5.88 s \hline
-  16 & 5.82 s & \\ 5.81 s \hline
-  20 & 6.54 s & \\ 5.48 s \hline
-  24 & 8.21 s & \\ 125.09 s \hline
+  1 & 60.95 s & 61.00 s \\\hline
+  2 & 30.83 s & 33.95 s \\\hline
+  4 & 15.49 s & 16.10 s \\\hline
+  8 & 10.31 s & 8.79 s \\\hline
+  12 & 8.49 s & 5.88 s \\\hline
+  16 & 5.82 s & 5.81 s \\\hline
+  20 & 6.54 s & 5.48 s \\\hline
+  24 & 8.21 s & 125.09 s \\\hline
 \end{tabular}
 \end{center}
 \caption{読み込みの計測結果}
@@ -99,12 +99,15 @@
 \end{table}
 
 性能向上率のグラフを図\ref{fig:benchmark_read}に示す. 
-線形に近い形で性能が向上していることが分かる. 
+親和性機能を使わない場合は, 6スレッドまではほぼ線形に性能が向上する.
+親和性機能を使った場合は, 12スレッドまではほぼ線形に性能が向上する.
+ハイパースレッディング機能を用いた13 スレッド以上では性能向上率が落ちる.
+
 非破壊的木構造データベース Jungle は読み込みにおいてスケールするデータベースであることが分かる. 
 
 \begin{figure}[!htbp]
   \begin{center}
-    \includegraphics[width=90mm]{./images/read.pdf}
+    \includegraphics[width=110mm]{./images/read.pdf}
   \end{center}
   \caption{読み込みの性能向上率}
   \label{fig:benchmark_read}
Binary file paper/images/read.pdf has changed
--- a/paper/images/read.xbb	Mon Feb 10 05:21:32 2014 +0900
+++ b/paper/images/read.xbb	Mon Feb 10 06:25:52 2014 +0900
@@ -4,5 +4,5 @@
 %%HiResBoundingBox: 0.000000 0.000000 360.000000 252.000000
 %%PDFVersion: 1.4
 %%Pages: 1
-%%CreationDate: Thu Jan 30 03:20:22 2014
+%%CreationDate: Mon Feb 10 06:03:59 2014
 
Binary file paper/master_paper.pdf has changed