Mercurial > hg > Papers > 2014 > toma-master

changeset 58:7403d5ee2c92

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describe the benchmark
author Daichi TOMA <toma@cr.ie.u-ryukyu.ac.jp>
date Tue, 11 Feb 2014 18:41:20 +0900
parents 3193a35f7874
children 0644825c43ac
files paper/appendix1.tex paper/benchmark/bbs/bbs.eps paper/benchmark/bbs/bbs.plt paper/benchmark/bbs/read.dat paper/benchmark/bbs/write.dat paper/benchmark/read7.8/read.eps paper/benchmark/read7.8/read.plt paper/benchmark/warp/offline.dat paper/benchmark/warp/online.dat paper/benchmark/warp/warp.eps paper/benchmark/warp/warp.plt paper/benchmark/write7.8/write.eps paper/benchmark/write7.8/write.plt paper/chapter4.tex paper/images/bbs.pdf paper/images/bbs.xbb paper/images/read.pdf paper/images/read.xbb paper/images/request.graffle paper/images/request.pdf paper/images/request.xbb paper/images/warp.pdf paper/images/warp.xbb paper/images/write.pdf paper/images/write.xbb paper/master_paper.pdf
diffstat 26 files changed, 2079 insertions(+), 180 deletions(-) [+]
line wrap: on
line diff
--- a/paper/appendix1.tex	Tue Feb 11 14:14:33 2014 +0900
+++ b/paper/appendix1.tex	Tue Feb 11 18:41:20 2014 +0900
@@ -18,15 +18,15 @@
 アプリケーションやOSカーネルが完全にハードウェアを使用できるようにするためにいくつか調整を行う必要がある. 
 最初の問題は, ファイル記述子の欠如である. 
 デフォルトはプロセスあたり, 1,024 files で非常に貧弱な結果しか得られない. 
-ファイル記述子の現在のリミットは以下のコマンドで取得できる. 
+ファイル記述子の現在のリミットはソースコード\ref{ulimit} のコマンド取得できる. 
 
-\begin{lstlisting}[caption=ファイル記述子のリミットの取得]
+\begin{lstlisting}[label=ulimit, caption=ファイル記述子のリミットの取得]
 $ ulimit -aH 
 \end{lstlisting}
 
-リミットを変更するには, 以下のコマンドを実行する. 
+リミットを変更するには, ソースコード\ref{ulimit2} のコマンドを実行する. 
 
-\begin{lstlisting}[caption=ファイル記述子のリミットの設定]
+\begin{lstlisting}[label=ulimit2, caption=ファイル記述子のリミットの設定]
 $ sudo sh -c ulimit -HSn 200000
 \end{lstlisting}
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/benchmark/bbs/bbs.eps	Tue Feb 11 18:41:20 2014 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/benchmark/bbs/bbs.plt	Tue Feb 11 18:41:20 2014 +0900
@@ -0,0 +1,8 @@
+set terminal postscript eps
+set output "bbs.eps"
+
+set xrange [1:8]
+set xlabel "number of cpus"
+set ylabel "req/s"
+
+plot "read.dat" using 1:2 with linespoints linewidth 1 linecolor rgbcolor "red" title "read", "write.dat" using 1:2 with linespoints linewidth 1 linecolor rgbcolor "blue" title "write"
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/benchmark/bbs/read.dat	Tue Feb 11 18:41:20 2014 +0900
@@ -0,0 +1,8 @@
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
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@@ -0,0 +1,8 @@
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--- a/paper/benchmark/read7.8/read.eps	Tue Feb 11 14:14:33 2014 +0900
+++ b/paper/benchmark/read7.8/read.eps	Tue Feb 11 18:41:20 2014 +0900
@@ -1,7 +1,7 @@
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+  /CreationDate (Tue Feb 11 14:47:59 2014)
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--- a/paper/benchmark/read7.8/read.plt	Tue Feb 11 14:14:33 2014 +0900
+++ b/paper/benchmark/read7.8/read.plt	Tue Feb 11 18:41:20 2014 +0900
@@ -5,4 +5,4 @@
 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 "black" title "linear"
+plot "read.dat" using 1:2 with linespoint linewidth 2 linecolor rgbcolor "red" title "read", "read_with_qa.dat" using 1:2 with linespoint linewidth 2 linecolor rgbcolor "navy" title "read with affinity", "linear.dat" using 1:2 with lines linewidth 2 linecolor rgbcolor "black" title "linear"
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/benchmark/warp/offline.dat	Tue Feb 11 18:41:20 2014 +0900
@@ -0,0 +1,8 @@
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/benchmark/warp/online.dat	Tue Feb 11 18:41:20 2014 +0900
@@ -0,0 +1,8 @@
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
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@@ -0,0 +1,667 @@
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/benchmark/warp/warp.plt	Tue Feb 11 18:41:20 2014 +0900
@@ -0,0 +1,8 @@
+set terminal postscript eps
+set output "warp.eps"
+
+set xrange [1:8]
+set xlabel "number of cpus"
+set ylabel "req/s"
+
+plot "online.dat" using 1:2 with linespoints linewidth 1 linecolor rgbcolor "red" title "online", "offline.dat" using 1:2 with linespoints linewidth 1 linecolor rgbcolor "blue" title "offline"
--- a/paper/benchmark/write7.8/write.eps	Tue Feb 11 14:14:33 2014 +0900
+++ b/paper/benchmark/write7.8/write.eps	Tue Feb 11 18:41:20 2014 +0900
@@ -1,7 +1,7 @@
 %!PS-Adobe-2.0 EPSF-2.0
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 %%Creator: gnuplot 4.6 patchlevel 3
-%%CreationDate: Mon Feb 10 08:46:09 2014
+%%CreationDate: Tue Feb 11 14:49:11 2014
 %%DocumentFonts: (atend)
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@@ -433,7 +433,7 @@
   /Author (amothic)
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-  /CreationDate (Mon Feb 10 08:46:09 2014)
+  /CreationDate (Tue Feb 11 14:49:11 2014)
   /DOCINFO pdfmark
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@@ -553,6 +553,7 @@
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--- a/paper/benchmark/write7.8/write.plt	Tue Feb 11 14:14:33 2014 +0900
+++ b/paper/benchmark/write7.8/write.plt	Tue Feb 11 18:41:20 2014 +0900
@@ -5,4 +5,4 @@
 set xlabel "number of cpus"
 set ylabel "speedup"
 
-plot "write.dat" using 1:2 with lines linewidth 2 linecolor rgbcolor "red" title "write", "write_with_qa.dat" using 1:2 with lines linewidth 2 linecolor rgbcolor "navy" title "write with affinity", "linear.dat" using 1:2 with lines linewidth 2 linecolor rgbcolor "black" title "linear"
+plot "write.dat" using 1:2 with linespoint linewidth 2 linecolor rgbcolor "red" title "write", "write_with_qa.dat" using 1:2 with linespoint linewidth 2 linecolor rgbcolor "navy" title "write with affinity", "linear.dat" using 1:2 with lines linewidth 2 linecolor rgbcolor "black" title "linear"
--- a/paper/chapter4.tex	Tue Feb 11 14:14:33 2014 +0900
+++ b/paper/chapter4.tex	Tue Feb 11 18:41:20 2014 +0900
@@ -1,6 +1,7 @@
 \chapter{性能評価}\label{ch:bench}
-本章では, 非破壊的木構造データベース Jungle がマルチコアプロセッサで性能向上を果たせるのか確認する. 
-また, 実用的なWebサービスが提供できるのか確認するために Web 掲示板サービスを開発し, Java との比較を行う. 
+　本章では, 非破壊的木構造データベース Jungle がマルチコアプロセッサで性能向上を果たせるのか確認する. 
+また, 実用的なWebサービスが提供できるのか確認するために Web 掲示板サービスを開発し, 読み込みと書き込みの性能測定を行う.
+最後に開発した Web 掲示板サービスを利用して, Java との比較を行う. 
 
 \section{計測環境}
 マルチコアプロセッサでの性能を確認するためコア数の多いサーバを用いる. 
@@ -8,8 +9,8 @@
 ブレードサーバの仕様を表\ref{tab:server_spec}に示す. 
 
 論理コアは, Intel のハイパースレッディング機能のことである. 
-ハイパースレッディングは, １つのプロセッサをあたかも２つのプロセッサであるかのように扱う技術であり, 
-同時に演算器などを利用することはできないため性能が２倍になるわけではないが, 概ね20 \%程度クロックあたりの性能が向上すると言われている. 
+ハイパースレッディングは, 1 つのプロセッサをあたかも 2 つのプロセッサであるかのように扱う技術であり, 
+同時に演算器などを利用することはできないため性能が 2 倍になるわけではないが, 概ね20 \%程度クロックあたりの性能が向上すると言われている. 
 
 \begin{table}[!htbp]
 \begin{center}
@@ -26,15 +27,11 @@
 \label{tab:server_spec}
 \end{table}
 
-非破壊的木構造データベース Jungle の並列読み込みと並列書き込みの性能の計測には１台, 
-Web 掲示板 サービスを用いた Java との性能比較には２台のブレードサーバを利用する. 
-2 台使用するのは, サーバと負荷をかけるクライアントを別々に実行するためである. 
-
 \subsubsection{Haskell および Java のバージョン}
 Haskell のコンパイラには The Glasgow Haskell Compiler（GHC）を使用する. 
 GHC は, Haskell で最も広く使われているコンパイラである\cite{ghc}. 
-ソフトウェア・トランザクショナル・メモリをサポートするなど, 並列プログラミングのためのHaskellの拡張が行われている. 
-GHC は, 並列実行時のIOマネージャーが改良されているため, Release candidate versionである7.8を用いる\cite{iomanager}.
+ソフトウェア・トランザクショナル・メモリをサポートするなど, 並列プログラミングのためにHaskellの拡張が行われている. 
+GHC の安定版は 7.6.3 だが, 並列実行時のIOマネージャーが改良されているため, リリース候補版である7.8を用いる\cite{iomanager}.
 
 Haskell および Java のバージョンを表\ref{tab:compiler}に示す. 
 
@@ -58,10 +55,8 @@
 
 \subsubsection{計測方法}
 ブレードサーバ上で, Jungle で作成した木構造を並列に読み込んで性能計測を行う. 
-まず, Jungle を利用して木構造を作成する. 
 並列に実行する際に, 読み込みに負荷がかかるように木構造はある程度の大きさとする. 
-今回は木の深さが 8, ノードの数が約 80 万の大きさの木構造を使用する. 
-
+今回は木の深さが 8, ノードの数が約 80 万の大きさの木構造を使用する.  
 木構造を読み込み, ノードの数を数えるタスクを 1,000 個作成し並列実行する. 
 非破壊的木構造は, 木構造に変更を加えても他の読み込みのタスクに影響を与えない. 
 そのことを確認するために, 木構造は各タスクに渡す前に無作為にノードを追加する. 
@@ -78,6 +73,7 @@
 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うまくスケジューリングされないためだと考えられる.
 
@@ -104,7 +100,8 @@
 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. 
+親和性機能を使った場合, 6スレッド以降で性能差が出る理由として, 6 コアCPUを 2 個積んでいることが考えられる.
+スレッドがCPUをまたいでスケジューリングされなくなるため, 親和性機能を使うことで性能が向上するのだと考えられる.
 
 \begin{figure}[!htbp]
   \begin{center}
@@ -114,11 +111,15 @@
   \label{fig:benchmark_read}
 \end{figure}
 
+非破壊的木構造データベース Jungle は 12 スレッドで 10.37 倍の性能向上が得ることができる.
+読み込みにおいて, スケールするデータベースであると言える.
+
+
 \section{書き込みの性能計測}
 非破壊的木構造データベース Jungle を用いて, マルチコアプロセッサ上で並列に書き込みを行い, 線形に性能向上ができるか調査する. 
 
 \subsubsection{計測方法}
-ブレードサーバ上で, Jungle に木構造を並列に書き込んで性能計測を行う. 
+ブレードサーバ上で, Jungle に並列に書き込みを行い性能計測を行う. 
 木の深さが 6, ノードの数が約 1 万の大きさの木構造を作成しJungle に登録するタスクを 1,000 個作成し, 並列に実行する. 
 書き込んだ木構造はノードの数が整合しているかどうか確認する. その後正確に書き込まれてるタスクの数を出力する. 
 Haskell は遅延評価のため, 出力などを挟むことで評価が行われるようにしなければならない. 
@@ -153,9 +154,6 @@
 Jungle へ木の登録する際に他のスレッドから登録があった場合, ソフトウェア・トランザクショナル・メモリが処理をやり直すため, 並列度が下がっていると考えられる.
 速度向上が親和性機能を使った8スレッド実行時の 3.96 倍で頭打ちになっている.
 
-非破壊的木構造データベース Jungle は, 書き込みは並列化率が低くなってしまう.
-読み込みが高速なため, 書き込みより読み込みが多用されるシステムに向いているといえる. 
-
 \begin{figure}[!htbp]
  \begin{center}
   \includegraphics[width=100mm]{./images/write.pdf}
@@ -164,15 +162,18 @@
  \label{fig:benchmark_write}
 \end{figure}
 
+非破壊的木構造データベース Jungle の書き込みは, 読み込みと比べて並列化率が低い.
+読み込みが高速なため, 書き込みより読み込みが多用されるシステムに向いていると言える.
+
 \clearpage
 \section{Web サービスに組み込んでの性能評価}
 並列データベース Jungle が実用的なWeb サービスを提供できるのか調査する. 
-Web掲示板サービスに組み込んで, 性能測定を行った. 
+Web掲示板サービス開発し, 性能測定ツール weighttp \cite{weighttp} を用いて性能測定を行った. 
 
 \subsection{Web 掲示板サービスの実装}
 木構造データベース Jungle と Haskell の HTTP サーバ Warp\cite{warp} を用いて Web 掲示板サービスを開発する. 
 Warp を用いたWeb サービスの構築法については付録に記載する. 
-Warp は, ハイパースレッディングの効果がなくハイパースレッディング利用時に遅くなるため, 12 スレッドまでの計測とする. 
+Warp は, ハイパースレッディングの効果がなくハイパースレッディング利用時に遅くなるため, ハイパースレッディングは利用しない.
 
 Warp は並列に実行可能であり, 並列に実行している Warp に対して, Jungle を繋げるだけで Jungle を並列に動かすことができる. 
 掲示板におけるデータベースへの書き込みは, 板の作成と, 板への書き込みがある. 
@@ -194,160 +195,124 @@
 \label{tab:bbs_func}
 \end{table}
 
+Warp は並列 HTTP サーバであるが, 計測環境ではネットワークがボトルネックとなってしまう.
+ネットワークのボトルネックがどれぐらいあるのか調査するために, アクセスした際に "hello, world" という文字列を返すだけのプログラムを作成し測定する. 
+ネットワークを介さずに性能測定する場合, 性能測定ツール weighttp に 3 スレッド利用するため, Warp で利用するのは 8 スレッドまでとする.
+weighttpの設定は, リクエストの総数 100 万, 同時に接続するコネクションの数 1,000, 実行時のスレッド数 3, HTTP Keep-Alivesを有効とする. 
+結果を表\ref{tab:warp}に示す.
+
+\begin{table}[!htbp]
+\begin{center}
+\begin{tabular}{|c||r|r|} \hline
+  CPU数 & ネットワーク介す & ネットワークを介さない \\ \hline
+  1 & 44,008 req/s & 44,504 req/s \\\hline
+  2 & 57,396 req/s & 95,760 req/s \\\hline
+  4 & 60,593 req/s & 179,791 req/s \\\hline
+  6 & 57,159 req/s & 241,240 req/s \\\hline
+  8 & 59,697 req/s & 264,231 req/s \\\hline
+\end{tabular}
+\end{center}
+\caption{Warp の 性能測定結果}
+\label{tab:warp}
+\end{table}
+
+1 秒間あたりどれだけのリクエストを捌けるかという指標で比較を行う.
+大きければ大きいほど性能が良い.
+ネットワークを介する場合と介さない場合で, 8 コア時に4.4倍の性能差がある.
+
+ネットワークを介さない場合は, 線形にスケールしている（図\ref{fig:warp_benchmark}）.
+ネットワークを介した場合, およそ 60,000 req/s 程度で頭打ちとなってしまっている.
+
 \begin{figure}[!htbp]
  \begin{center}
-  \includegraphics[width=90mm]{./images/request.pdf}
+  \includegraphics[width=100mm]{./images/warp.pdf}
  \end{center}
- \caption{Warp を用いたWeb掲示板サービス}
+ \caption{Warp の 性能測定結果}
+ \label{fig:warp_benchmark}
+\end{figure}
+
+Web掲示板サービスの性能測定には, 並列環境でどのようにスケールするか計測したいため, ネットワークを介さずに実験を行う.
+実験環境を図\ref{fig:request}に示す.
+
+\begin{figure}[!htbp]
+ \begin{center}
+   \includegraphics[scale=0.6]{./images/request.pdf}
+ \end{center}
+ \caption{実験環境}
  \label{fig:request}
 \end{figure}
 
 
-\subsection{読み込み}
+\subsection{読み込みと書き込み}
 \subsubsection{計測方法}
-掲示板に対して読み込みを行い, 負荷をかける. 
-掲示板を立ち上げるサーバと, 性能測定ツール weighttp\cite{weighttp} を用いて負荷をかけるサーバの 2 台ブレードサーバを用いて測定を行った. 
-
-weighttpの設定は, リクエストの総数 100 万, 同時に接続するコネクションの数 2,000, 実行時のスレッド数 10, HTTP Keep-Alivesを有効とする. 
+掲示板に対して読み込みと書き込みを行い, 負荷をかける. 
+weighttpの設定は, リクエストの総数 100 万, 同時に接続するコネクションの数 1,000, 実行時のスレッド数 3, HTTP Keep-Alivesを有効とする. 
 
 \subsubsection{計測結果}
 
-掲示板の読み込みの計測結果を表\ref{tab:bbs_read}に示す. 
-
-並列で実行した場合, 実行時間が短くなっているが性能向上率が低いことが分かる. 
-シングルスレッドで実行した場合と比較して, 12 スレッドで 2.14 倍の性能向上が見られる. 
-これは HTTP サーバ Warp がボトルネックとなってしまっているためだと考えられる. 
-
-Warp のボトルネックがどれぐらいあるのか調査するために, アクセスした際に "hello, world" という文字列を返すだけのプログラムを作成し測定する. 
-結果を表\ref{tab:warp}に示す. 
-1 スレッドで実行した場合は, Jungle と組み合わせた掲示板より速い. 
-しかし, スレッド数が増えていくと掲示板の読み込みとあまり結果が変わらなくなってしまう. 
-Warp は現状あまり並列化効果がでていない. 
+掲示板の読み込みと書き込みの計測結果を表\ref{tab:bbs_read}および図\ref{fig:bbs}に示す. 
+少ないスレッド数の場合に, 読み込みより書き込みのスループットが高いのは, 読み込みにあるデータベースの内容をHTML形式に変換する作業がないためだと考えられる.
 
-\begin{table}[!htbp]
-\begin{center}
-\begin{tabular}{|c||r|} \hline
-CPU数 & 実行時間 \\ \hline
-1 & 60.72 s\\ \hline
-2 & 37.74 s\\ \hline
-4 & 28.97 s\\ \hline
-8 & 27.73 s\\ \hline
-12 & 28.33 s\\ \hline
-\end{tabular}
-\end{center}
-\caption{掲示板を利用した読み込みの計測結果}
-\label{tab:bbs_read}
-\end{table}
+性能向上率を読み込みと書き込みで比較する.
+読み込みは, シングルスレッドで実行した場合と比較して, 8 スレッドで 6.18 倍の性能向上が見られる. 
+書き込みは, シングルスレッドで実行した場合と比較して, 8 スレッドで 3.93 倍の性能向上が見られる. 
+この結果は, 並列データベース Jungle が書き込みに比べて読み込みが高速であると示した Jungle 単体での実験結果と一致する.
+
 
 \begin{table}[!htbp]
 \begin{center}
-\begin{tabular}{|c||r|} \hline
-CPU数 & 実行時間 \\ \hline
-1 & 49.28 s\\ \hline
-2 & 35.45 s\\ \hline
-4 & 25.70 s\\ \hline
-8 & 27.90 s\\ \hline
-12 & 29.23 s\\ \hline
+\begin{tabular}{|c||r|r|} \hline
+  CPU数 & 読み込み & 書き込み \\ \hline
+  1 & 22,624 req/s & 28,552 req/s \\ \hline
+  2 & 43,083 req/s & 53,765 req/s \\ \hline
+  4 & 92,548 req/s & 98,691 req/s \\ \hline
+  6 & 119,310 req/s & 99,009 req/s \\ \hline
+  8 & 139,965 req/s & 112,212 req/s \\ \hline
 \end{tabular}
 \end{center}
-\caption{Warpの計測結果}
-\label{tab:warp}
+\caption{掲示板を利用した読み込みと書き込みの計測結果}
+\label{tab:bbs_read}
 \end{table}
 
-Web サービスを用いて実験する場合, データベースだけがボトルネックとなるように負荷をかけるのは難しい. 
-ただ単にデータを大きくするだけでは, 文字列をHTMLに変換するコストが大きくなってしまうためである. 
-
-\subsection{書き込み}
-\subsubsection{計測方法}
-掲示板に対して書き込みを行い, 負荷をかける. 
-掲示板を立ち上げるサーバと, weighttpを用いて負荷をかけるサーバの 2 台ブレードサーバを用いて測定を行った. 
-
-weighttpでは, GET しかできないためURLのクエリ文字列でデータを書き込めるようにWeb掲示板サービスを変更した. 
-weighttp起動時のオプションは, 読み込みと同じである. 
-\subsubsection{計測結果}
-
-掲示板の書き込みの計測結果を表\ref{tab:bbs_write}に示す. 
-並列で実行した場合, 実行時間が短くなっているが性能向上率が低いことが分かる. 
-シングルスレッドで実行した場合と比較して, 12 スレッドで 1.65 倍の性能向上が見られる. 
-読み込みに比べて, 書き込みのほうが全体的に遅くなっている. 
-
-\begin{table}[!htbp]
-\begin{center}
-\begin{tabular}{|c||r|} \hline
-CPU数 & 実行時間 \\ \hline
-1 & 54.16 s\\ \hline
-2 & 36.71 s\\ \hline
-4 & 31.74 s\\ \hline
-8 & 31.58 s\\ \hline
-10 & 32.64 s\\ \hline
-12 & 32.68 s\\ \hline
-\end{tabular}
-\end{center}
-\caption{掲示板を利用した書き込みの計測結果}
-\label{tab:bbs_write}
-\end{table}
+\begin{figure}[!htbp]
+ \begin{center}
+  \includegraphics[width=100mm]{./images/bbs.pdf}
+ \end{center}
+ \caption{掲示板を利用した読み込みと書き込みの計測結果}
+ \label{fig:bbs}
+\end{figure}
 
 \subsection{Javaを用いた非破壊的木構造データベースとの比較}
-非破壊的木構造データベースは, Haskell 版と Java 版の2つ存在する. 
+非破壊的木構造データベースは, Haskell 版と Java 版が存在する. 
 Web 掲示板サービスを両方の言語で実装し, 比較を行う. 
 Haskell ではフロントエンドとして Warp を利用したが, Java では Jetty を利用する. 
 Jetty のバージョンは 6.1.26 を用いる. 
 
-Haskell 版と Java 版の Web 掲示板サービスをブレードサーバ上で実行し, 
-weightttpで負荷をかけ100万リクエストを処理するのにかかる時間を計測する. 
+Haskell 版と Java 版の Web 掲示板サービスをブレードサーバ上で実行する. 
+実際の利用を想定して計測を行うため, ブレードサーバをもう1台用意し, ネットワークを介して weightttpで負荷をかける.
+10 スレッドから, 1 スレッドあたり 100 並列にリクエストを投げ, 合計100万リクエストを処理するのにかかる時間を計測する. 
 Haskell と Java の測定結果を表\ref{tab:compare}に示す. 
 
 \begin{table}[!htbp]
 \begin{center}
 \begin{tabular}{|c||r|r|} \hline
   測定 & Haskell & Java \\ \hline \hline
-  読み込み & 28.33 s & 53.13 s \\ \hline
-  書き込み & 32.68 s & 76.4 s \\ \hline
+  読み込み & 16.31 s & 53.13 s \\ \hline
+  書き込み & 20.17 s & 76.4 s \\ \hline
 \end{tabular}
 \end{center}
 \caption{HaskellとJavaの比較}
 \label{tab:compare}
 \end{table}
 
-Haskell 版は, Java 版と比較して読み込みで 1.87 倍, 書き込みで 2.3 倍の性能差が出ている. 
-
-書き込みが読み込みより性能差が出ている理由として遅延評価が考えられる. 
-Haskell では書き込みを行う際, 完全に評価せず thunk として積み上げていく. 
-thunkとは, 未評価の式を追跡するのに使われるものである. 
-遅延評価は, グラフ簡約があるため先行評価より簡約ステップ数が増えることはない. 
-また, 不要な計算が省かれるので簡約ステップ数が少なくなることもある. 
-しかし, 計算の所用領域が増えてしまうのが難点で, 
-ハードウェアが効率的に利用できるメモリの範囲内に収まらなければ即時評価より実行時間が遅くなってしまうことがあるので注意が必要である. 
-本実験では, 潤沢にメモリを割り当てているためそういった問題は起きない. 
-
-\subsection{書き込みごとに読み込みを行った場合}
-書き込みごとに毎回読み込みを挟むことで, 遅延評価ではなく即時評価させる. 
-計測結果を表\ref{tab:write_read}に示す. 
+Haskell 版は, Java 版と比較して読み込みで 3.25 倍, 書き込みで 3.78 倍の性能差が出ている. 
+Haskell は 実用的な Web サービスが開発できる.
 
-\begin{table}[!htbp]
-\begin{center}
-\begin{tabular}{|c||r|} \hline
-CPU数 & 実行時間 \\ \hline
-1 & 141.40 s\\ \hline
-2 & 70.87 s\\ \hline
-4 & 54.32 s\\ \hline
-8 & 55.13 s\\ \hline
-12 & 58.60 s\\ \hline
-\end{tabular}
-\end{center}
-\caption{書き込みを行うたびに読み込みを挟んだ場合の計測結果}
-\label{tab:write_read}
-\end{table}
+\subsubsection{Haskell の生産性}
+Haskell 版 Jungle が公開している関数の数は 18 で, コード行数は284行である.
+Java を用いた Jungle の実装は, 3390行で, Haskell の実装は 1/12 程度のサイズとなっている.
 
-結果が明らかに遅くなっている. 
-12 スレッドで実行した際,  Java との書き込みの性能差は, 1.30 倍である. 
-シングルスレッドで実行した場合と比較した場合, 12 スレッドで 2.40 倍の性能向上が見られる. 
+コード行数が短くなった要因としては, Haskellが独自の再帰的データ構造の定義を言語としてサポートしていることや, 
+関数が参照透過性を持つため再利用が行いやすい上に, 関数を結合することが可能ということが考えられる.
 
-\section{Haskell の生産性}
-Java を用いた Jungle の実装と比較して, コード行数が約 3000 行から約 300 行へと短くなった. 
-
-Haskell では, 独自のデータ型を作成することができる. 
-再帰的なデータ構造の定義も容易である. 
-また, Haskellは参照透過性を持つため, コードの再利用が行い易く, 関数同士の結合も簡単である. 
-
-同じ機能を実装する場合でも, Java と比較してコード行数が短くなり生産性が向上する. 
+同じ機能を実装する場合でも, Haskell は Java と比較してコード行数が短くなり生産性が向上する. 
Binary file paper/images/bbs.pdf has changed
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/images/bbs.xbb	Tue Feb 11 18:41:20 2014 +0900
@@ -0,0 +1,8 @@
+%%Title: ./bbs.pdf
+%%Creator: extractbb 20130405
+%%BoundingBox: 0 0 360 252
+%%HiResBoundingBox: 0.000000 0.000000 360.000000 252.000000
+%%PDFVersion: 1.4
+%%Pages: 1
+%%CreationDate: Tue Feb 11 15:42:04 2014
+
Binary file paper/images/read.pdf has changed
--- a/paper/images/read.xbb	Tue Feb 11 14:14:33 2014 +0900
+++ b/paper/images/read.xbb	Tue Feb 11 18:41:20 2014 +0900
@@ -4,5 +4,5 @@
 %%HiResBoundingBox: 0.000000 0.000000 360.000000 252.000000
 %%PDFVersion: 1.4
 %%Pages: 1
-%%CreationDate: Mon Feb 10 08:47:17 2014
+%%CreationDate: Tue Feb 11 14:49:50 2014
 
--- a/paper/images/request.graffle	Tue Feb 11 14:14:33 2014 +0900
+++ b/paper/images/request.graffle	Tue Feb 11 18:41:20 2014 +0900
@@ -53,15 +53,22 @@
 	<array>
 		<dict>
 			<key>Bounds</key>
-			<string>{{199, 283.5}, {53, 34}}</string>
+			<string>{{350, 194}, {93, 17}}</string>
 			<key>Class</key>
 			<string>ShapedGraphic</string>
 			<key>FitText</key>
 			<string>YES</string>
 			<key>Flow</key>
 			<string>Resize</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>12</real>
+			</dict>
 			<key>ID</key>
-			<integer>18</integer>
+			<integer>45</integer>
 			<key>Shape</key>
 			<string>Rectangle</string>
 			<key>Style</key>
@@ -92,8 +99,7 @@
 {\colortbl;\red255\green255\blue255;}
 \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
 
-\f0\fs28 \cf0 HTTP\
-Request}</string>
+\f0\fs28 \cf0 HTTP Request}</string>
 				<key>VerticalPad</key>
 				<integer>0</integer>
 			</dict>
@@ -104,11 +110,14 @@
 			<key>Class</key>
 			<string>LineGraphic</string>
 			<key>ID</key>
-			<integer>17</integer>
+			<integer>44</integer>
 			<key>Points</key>
 			<array>
-				<string>{148, 317.5}</string>
-				<string>{333.00000019542364, 317.5}</string>
+				<string>{381, 138}</string>
+				<string>{450, 138}</string>
+				<string>{450, 236}</string>
+				<string>{310, 236}</string>
+				<string>{310, 236}</string>
 			</array>
 			<key>Style</key>
 			<dict>
@@ -118,8 +127,6 @@
 					<string>FilledArrow</string>
 					<key>Legacy</key>
 					<true/>
-					<key>LineType</key>
-					<integer>1</integer>
 					<key>TailArrow</key>
 					<string>0</string>
 					<key>Width</key>
@@ -129,11 +136,11 @@
 		</dict>
 		<dict>
 			<key>Bounds</key>
-			<string>{{23, 165}, {125, 278}}</string>
+			<string>{{249, 101}, {130, 74}}</string>
 			<key>Class</key>
 			<string>ShapedGraphic</string>
 			<key>ID</key>
-			<integer>14</integer>
+			<integer>43</integer>
 			<key>Shape</key>
 			<string>Rectangle</string>
 			<key>Style</key>
@@ -143,24 +150,449 @@
 					<key>Draws</key>
 					<string>NO</string>
 				</dict>
-				<key>stroke</key>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1265
+\cocoascreenfonts1{\fonttbl\f0\fnil\fcharset128 HiraKakuProN-W3;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 weighttp}</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{127, 437}, {100, 22}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>Vertical</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>ID</key>
+			<integer>42</integer>
+			<key>Shape</key>
+			<string>FlattenedRectangle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1265
+\cocoascreenfonts1{\fonttbl\f0\fnil\fcharset128 HiraKakuProN-W3;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs24 \cf0 Core}</string>
+				<key>VerticalPad</key>
+				<integer>2</integer>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0.10000000000000001, 0}, {0.80000000000000004, 1}}</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{127, 406}, {100, 22}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>Vertical</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>ID</key>
+			<integer>41</integer>
+			<key>Shape</key>
+			<string>FlattenedRectangle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1265
+\cocoascreenfonts1{\fonttbl\f0\fnil\fcharset128 HiraKakuProN-W3;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs24 \cf0 Core}</string>
+				<key>VerticalPad</key>
+				<integer>2</integer>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0.10000000000000001, 0}, {0.80000000000000004, 1}}</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{127, 375}, {100, 22}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>Vertical</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>ID</key>
+			<integer>40</integer>
+			<key>Shape</key>
+			<string>FlattenedRectangle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
 				<dict>
-					<key>Pattern</key>
-					<integer>4</integer>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1265
+\cocoascreenfonts1{\fonttbl\f0\fnil\fcharset128 HiraKakuProN-W3;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs24 \cf0 Core}</string>
+				<key>VerticalPad</key>
+				<integer>2</integer>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0.10000000000000001, 0}, {0.80000000000000004, 1}}</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{127, 344}, {100, 22}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>Vertical</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>ID</key>
+			<integer>39</integer>
+			<key>Shape</key>
+			<string>FlattenedRectangle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1265
+\cocoascreenfonts1{\fonttbl\f0\fnil\fcharset128 HiraKakuProN-W3;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs24 \cf0 Core}</string>
+				<key>VerticalPad</key>
+				<integer>2</integer>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0.10000000000000001, 0}, {0.80000000000000004, 1}}</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{127, 313}, {100, 22}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>Vertical</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>ID</key>
+			<integer>38</integer>
+			<key>Shape</key>
+			<string>FlattenedRectangle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1265
+\cocoascreenfonts1{\fonttbl\f0\fnil\fcharset128 HiraKakuProN-W3;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs24 \cf0 Core}</string>
+				<key>VerticalPad</key>
+				<integer>2</integer>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0.10000000000000001, 0}, {0.80000000000000004, 1}}</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{127, 282}, {100, 22}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>Vertical</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>ID</key>
+			<integer>37</integer>
+			<key>Shape</key>
+			<string>FlattenedRectangle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
 				</dict>
 			</dict>
 			<key>Text</key>
 			<dict>
 				<key>Text</key>
 				<string>{\rtf1\ansi\ansicpg1252\cocoartf1265
-\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+\cocoascreenfonts1{\fonttbl\f0\fnil\fcharset128 HiraKakuProN-W3;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs24 \cf0 Core}</string>
+				<key>VerticalPad</key>
+				<integer>2</integer>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0.10000000000000001, 0}, {0.80000000000000004, 1}}</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{127, 251}, {100, 22}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>Vertical</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>ID</key>
+			<integer>36</integer>
+			<key>Shape</key>
+			<string>FlattenedRectangle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1265
+\cocoascreenfonts1{\fonttbl\f0\fnil\fcharset128 HiraKakuProN-W3;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs24 \cf0 Core}</string>
+				<key>VerticalPad</key>
+				<integer>2</integer>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0.10000000000000001, 0}, {0.80000000000000004, 1}}</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{127, 220}, {100, 22}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>Vertical</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>ID</key>
+			<integer>35</integer>
+			<key>Shape</key>
+			<string>FlattenedRectangle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1265
+\cocoascreenfonts1{\fonttbl\f0\fnil\fcharset128 HiraKakuProN-W3;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs24 \cf0 Core}</string>
+				<key>VerticalPad</key>
+				<integer>2</integer>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0.10000000000000001, 0}, {0.80000000000000004, 1}}</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{127, 189}, {100, 22}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>Vertical</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>ID</key>
+			<integer>34</integer>
+			<key>Shape</key>
+			<string>FlattenedRectangle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1265
+\cocoascreenfonts1{\fonttbl\f0\fnil\fcharset128 HiraKakuProN-W3;}
 {\colortbl;\red255\green255\blue255;}
 \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
 
-\f0\fs36 \cf0 Blade Server}</string>
+\f0\fs24 \cf0 Core}</string>
+				<key>VerticalPad</key>
+				<integer>2</integer>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0.10000000000000001, 0}, {0.80000000000000004, 1}}</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{127, 158}, {100, 22}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>Vertical</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>ID</key>
+			<integer>32</integer>
+			<key>Shape</key>
+			<string>FlattenedRectangle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1265
+\cocoascreenfonts1{\fonttbl\f0\fnil\fcharset128 HiraKakuProN-W3;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs24 \cf0 Core}</string>
+				<key>VerticalPad</key>
+				<integer>2</integer>
 			</dict>
-			<key>TextPlacement</key>
-			<integer>0</integer>
+			<key>TextRelativeArea</key>
+			<string>{{0.10000000000000001, 0}, {0.80000000000000004, 1}}</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{127, 127}, {100, 22}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>Vertical</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>ID</key>
+			<integer>27</integer>
+			<key>Shape</key>
+			<string>FlattenedRectangle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1265
+\cocoascreenfonts1{\fonttbl\f0\fnil\fcharset128 HiraKakuProN-W3;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs24 \cf0 Core}</string>
+				<key>VerticalPad</key>
+				<integer>2</integer>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0.10000000000000001, 0}, {0.80000000000000004, 1}}</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{127, 96}, {100, 22}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>Vertical</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>ID</key>
+			<integer>24</integer>
+			<key>Shape</key>
+			<string>FlattenedRectangle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1265
+\cocoascreenfonts1{\fonttbl\f0\fnil\fcharset128 HiraKakuProN-W3;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs24 \cf0 Core}</string>
+				<key>VerticalPad</key>
+				<integer>2</integer>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0.10000000000000001, 0}, {0.80000000000000004, 1}}</string>
 		</dict>
 		<dict>
 			<key>Class</key>
@@ -169,8 +601,8 @@
 			<integer>12</integer>
 			<key>Points</key>
 			<array>
-				<string>{454, 317.5}</string>
-				<string>{380, 317.5}</string>
+				<string>{384, 308.5}</string>
+				<string>{310, 308.5}</string>
 			</array>
 			<key>Style</key>
 			<dict>
@@ -191,7 +623,7 @@
 		</dict>
 		<dict>
 			<key>Bounds</key>
-			<string>{{330, 212}, {50, 212}}</string>
+			<string>{{254.5, 189}, {50, 239}}</string>
 			<key>Class</key>
 			<string>ShapedGraphic</string>
 			<key>ID</key>
@@ -219,7 +651,7 @@
 		</dict>
 		<dict>
 			<key>Bounds</key>
-			<string>{{454, 291}, {79, 54}}</string>
+			<string>{{384, 282}, {79, 54}}</string>
 			<key>Class</key>
 			<string>ShapedGraphic</string>
 			<key>ID</key>
@@ -256,7 +688,7 @@
 		</dict>
 		<dict>
 			<key>Bounds</key>
-			<string>{{303, 165}, {246, 278}}</string>
+			<string>{{118, 61}, {364, 407}}</string>
 			<key>Class</key>
 			<string>ShapedGraphic</string>
 			<key>ID</key>
@@ -339,7 +771,7 @@
 	<key>MasterSheets</key>
 	<array/>
 	<key>ModificationDate</key>
-	<string>2014-02-03 20:55:51 +0000</string>
+	<string>2014-02-11 06:08:02 +0000</string>
 	<key>Modifier</key>
 	<string>Daichi TOMA</string>
 	<key>NotesVisible</key>
Binary file paper/images/request.pdf has changed
--- a/paper/images/request.xbb	Tue Feb 11 14:14:33 2014 +0900
+++ b/paper/images/request.xbb	Tue Feb 11 18:41:20 2014 +0900
@@ -1,8 +1,8 @@
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 %%Creator: extractbb 20130405
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 %%Pages: 1
-%%CreationDate: Tue Feb  4 05:58:20 2014
+%%CreationDate: Tue Feb 11 15:08:57 2014
 
Binary file paper/images/warp.pdf has changed
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/images/warp.xbb	Tue Feb 11 18:41:20 2014 +0900
@@ -0,0 +1,8 @@
+%%Title: ./warp.pdf
+%%Creator: extractbb 20130405
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+%%HiResBoundingBox: 0.000000 0.000000 360.000000 252.000000
+%%PDFVersion: 1.4
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+
Binary file paper/images/write.pdf has changed
--- a/paper/images/write.xbb	Tue Feb 11 14:14:33 2014 +0900
+++ b/paper/images/write.xbb	Tue Feb 11 18:41:20 2014 +0900
@@ -4,5 +4,5 @@
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 %%PDFVersion: 1.4
 %%Pages: 1
-%%CreationDate: Mon Feb 10 08:47:14 2014
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Binary file paper/master_paper.pdf has changed