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author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Tue, 14 Jul 2015 17:23:04 +0900
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	<title>Monadに基づくMeta計算を基本とするGears OSの設計</title>
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<body class="list">
	<header class="caption">
		<h1>Monadに基づくMeta計算を基本とするGears OSの設計</h1>
		<p>Tatsuki IHA</p>
	</header>
	<div class="slide cover" id="Cover"><div>
		<section>
			<header>
				<h2>Monadに基づくMeta計算を基本とするGears OSの設計</h2>
				<h3 id="author">Tatsuki IHA</h3>
				<h3 id="profile"></h3>
			</header>
		</section>
	</div></div>

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<div class="slide" id="2"><div>
		<section>
			<header>
				<h1 id="section">研究目的</h1>
			</header>
			<!-- === begin markdown block ===

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                on 2015-05-25 19:51:41 +0900 with Markdown engine kramdown (1.7.0)
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<ul>
  <li>当研究室では, プログラムをコードセグメント, データセグメントを用いた並列フレームワークの開発を行っている.</li>
  <li>Gears OSでは, 並列実行に必要なMetaな機能を関数型言語におけるMonadの原理に基づいて実現する.</li>
  <li>また, Code Segment, Data SegmentそれぞれにMeta Code Segment, Meta Data Segmentを付属させる.</li>
  <li>この研究ではGears OSの機能をCbC(Continuation based C)で実装、評価することを目的とする.</li>
</ul>



		</section>
</div></div>

<div class="slide" id="3"><div>
		<section>
			<header>
				<h1 id="gear-box">Gear Box</h1>
			</header>
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<ul>
  <li>基本はState Diagramで記述</li>
  <li>State DiagramのStateをCode Gear(Code Segment)</li>
  <li>Code Gear間にData Gear(Data Segment)を記述</li>
</ul>



		</section>
</div></div>

<div class="slide" id="4"><div>
		<section>
			<header>
				<h1 id="gear-box-1">Gear Box</h1>
			</header>
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<p><img src="./pictures/GearBoxExample.svg" alt="GearBoxExample" /></p>



		</section>
</div></div>

<div class="slide" id="5"><div>
		<section>
			<header>
				<h1 id="gear-box-2">Gear Box</h1>
			</header>
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<p><img src="./pictures/MetaGearBoxExample.svg" alt="MetaGearBoxExample" /></p>



		</section>
</div></div>

<div class="slide" id="6"><div>
		<section>
			<header>
				<h1 id="synchronized-queue">Synchronized Queue</h1>
			</header>
			<!-- _S9SLIDE_ -->

<p><img src="./pictures/synchronizedQueueSender.svg" alt="GearBoxExample" /></p>



		</section>
</div></div>

<div class="slide" id="7"><div>
		<section>
			<header>
				<h1 id="synchronized-queue-1">Synchronized Queue</h1>
			</header>
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<p><img src="./pictures/synchronizedQueueReceiver.svg" alt="GearBoxExample" /></p>



		</section>
</div></div>

<div class="slide" id="8"><div>
		<section>
			<header>
				<h1 id="synchronized-queue-2">Synchronized Queue</h1>
			</header>
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<ul>
  <li>各Threadに共通のData Gearをもたせる</li>
  <li>Meta Code Segmentでsynchronizedを表現する</li>
  <li>つまり, Meta Code Segmentを書き換えることで実装を変更できる</li>
</ul>



		</section>
</div></div>

<div class="slide" id="9"><div>
		<section>
			<header>
				<h1 id="synchronized-queue-3">Synchronized Queue</h1>
			</header>
			<!-- _S9SLIDE_ -->

<ul>
  <li>CASでの実装
    <ul>
      <li>Meta Put, Meta GetでCasを行い, Data Gearを更新</li>
    </ul>
  </li>
  <li>pthread_mutex_lockでの実装
    <ul>
      <li>Meta Sender, Meta ReciverでData Gearをlock</li>
      <li>Meta Put, Meta Getでunlock</li>
    </ul>
  </li>
  <li>Semphoreでの実装
    <ul>
      <li>読み込み用, 書き込み用のSemphoreを用意</li>
      <li>Meta Put, Meta Getでsem_p, sem_vを行う</li>
    </ul>
  </li>
</ul>



		</section>
</div></div>

<div class="slide" id="10"><div>
		<section>
			<header>
				<h1 id="hoge">hoge</h1>
			</header>
			<!-- _S9SLIDE_ -->


<div class="CodeRay">&lt;pre 'code'&gt;
<table class="CodeRay"><tr>
  <td class="line-numbers"><pre><a href="#n1" name="n1">1</a>
<a href="#n2" name="n2">2</a>
<a href="#n3" name="n3">3</a>
<a href="#n4" name="n4">4</a>
</pre></td>
  <td class="code"><pre>
<span class="keyword">def</span> <span class="function">hello</span>
  puts <span class="string"><span class="delimiter">&quot;</span><span class="content">hoge</span><span class="delimiter">&quot;</span></span>
<span class="keyword">end</span>
</pre></td>
</tr></table>
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		</section>
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