annotate April_01st.html @ 3:b798246629dd

fix Aug_19th
author Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
date Tue, 19 Aug 2014 20:41:29 +0900
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1 <!DOCTYPE html>
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2 <html>
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3 <head>
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4 <meta http-equiv="content-type" content="text/html;charset=utf-8">
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5 <title>25th,March,2014</title>
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6
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7 <!--
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8 Notes on CSS media types used:
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9
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10 1) projection -> slideshow mode (display one slide at-a-time; hide all others)
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11 2) screen -> outline mode (display all slides-at-once on screen)
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12 3) print -> print (and print preview)
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13
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14 Note: toggle between projection/screen (that is, slideshow/outline) mode using t-key
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15
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16 Questions, comments?
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17 - send them along to the mailinglist/forum online @ http://groups.google.com/group/webslideshow
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18 -->
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19
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20 <!-- styles -->
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21 <style media="screen,projection">
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22
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23 html,
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24 body,
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25 .presentation { margin: 0; padding: 0; }
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26
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27 .slide { display: none;
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28 position: absolute;
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29 top: 0; left: 0;
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30 margin: 0;
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31 border: none;
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32 padding: 2% 4% 0% 4%; /* css note: order is => top right bottom left */
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33 -moz-box-sizing: border-box;
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34 -webkit-box-sizing: border-box;
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35 box-sizing: border-box;
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36 width: 100%; height: 100%; /* css note: lets use border-box; no need to add padding+border to get to 100% */
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37 overflow-x: hidden; overflow-y: auto;
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38 z-index: 2;
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39 }
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40
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41 .slide.current { display: block; } /* only display current slide in projection mode */
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42
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43 .slide .stepcurrent { color: black; }
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44 .slide .step { color: silver; } /* or hide next steps e.g. .step { visibility: hidden; } */
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45
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46 .slide {
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47 /*
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48 background-image: -webkit-linear-gradient(top, blue, aqua, blue, aqua);
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49 background-image: -moz-linear-gradient(top, blue, aqua, blue, aqua);
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50 */
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51 }
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52 </style>
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53
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54 <style media="screen">
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55 .slide { border-top: 1px solid #888; }
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56 .slide:first-child { border: none; }
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57 </style>
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58
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59 <style media="print">
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60 .slide { page-break-inside: avoid; }
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61 .slide h1 { page-break-after: avoid; }
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62 .slide ul { page-break-inside: avoid; }
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63 </style>
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64
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65
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66 <!-- add js lib (jquery) -->
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67 <script src="js/jquery-1.7.min.js"></script>
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68
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69 <!-- S6 JS -->
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70 <script src="js/jquery.slideshow.js"></script>
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71 <script src="js/jquery.slideshow.counter.js"></script>
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72 <script src="js/jquery.slideshow.controls.js"></script>
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73 <script>
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74 $(document).ready( function() {
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75 Slideshow.init();
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76
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77 // Example 2: Start Off in Outline Mode
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78 // Slideshow.init( { mode: 'outline' } );
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79
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80 // Example 3: Use Custom Transition
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81 // Slideshow.transition = transitionScrollUp;
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82 // Slideshow.init();
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83
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84 // Example 4: Start Off in Autoplay Mode with Custom Transition
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85 // Slideshow.transition = transitionScrollUp;
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86 // Slideshow.init( { mode: 'autoplay' } );
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87 } );
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88 </script>
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89
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90 </head>
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91 <body>
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92
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93
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94 <div class="presentation">
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95
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96 <!-- add slides here; example -->
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97 <div id="header">
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98 <h1>Cerium による並列処理向け I/O の設計と実装</h1>
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99 </div>
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100
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101 <div class='cover'>
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102 <h1>今週までの活動</h1>
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103 <ul>
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104 <li>Abstract を作成</li>
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105 <li>word count にて、mmap vs blocked read</li>
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106 </ul>
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107
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108 <h1>事務連絡</h1>
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109 <ul>
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110 <li>名刺を illustrator にて作成・注文</li>
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111 <li>
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112 並列信頼研ロゴステッカーは、業者注文停止のため注文が遅くなる<br>
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113 (再開までにしばらく時間がかかりそう)
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114 </li>
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115 </ul>
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116 </div>
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117
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118
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119 <div id="cover">
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120 <h1>Abstract</h1>
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121 当研究室では、並列プログラミングを容易にするためのフレームワーク、Cerium の開発を行っている。
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122 先行研究では Task の並列化によって処理速度の向上が見られたが、ファイル読み込みの I/O 処理と Task が並列に動作するように実装されていない。
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123 従来はファイル読み込みを mmap で実装していたが、本論文では Blocked Read で実装を行った。Blocked Read とは、あるサイズずつで読み込む処理と、それらに文字列検索を行う処理を分離させるための実装法である。
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124 その実装を行った結果、従来の mmap の実装と比較して 1.55倍ほど速度が向上した。
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125 </p>
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126
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127 <p>
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128 We have developed Cerium that is a parallel programing Framework.
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129 In preceding research, procceing speed improved by concurrency of tasks.
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130 But, Tasks and I/O proccecing
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131 </p>
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132
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133 </div>
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134
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135 <div class='cover'>
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136 <h1>word count で mmap vs Blocked Read</h1>
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137 <p>
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138 firefly 上で実行<br>
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139 2*2.66 GHz, HHD 1TB, memory 16GB<br>
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140 file size : 1GB<br>
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141 cpu num : 12
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142 </p>
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143
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144 <table>
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145 <tr>
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146 <table>
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147 <tr><td>mode</td><td>time(s)</td></tr>
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148 <tr><td>cpu & mmap</td><td>22.98</td></tr>
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149 <tr><td>cpu & blocked read</td><td>13.14</td></tr>
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150 <tr><td>gpu & mmap</td><td>101.40</td></tr>
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151 <tr><td>gpu & blocked read</td><td>90.63</td></tr>
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152 </table>
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153 <tr>
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154 </table>
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155 <ul>
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156 <li></li>
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157 <li></li>
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158 </ul>
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159 </div>
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160
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161 <div>
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162 <h1>名刺作成と注文</h1>
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163 <p>希望者全員の分の名刺の作成と注文を行った。</p>
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164 <p>到着予定日は 新B4、新M1 は4/3 頃、新M2 は4/6頃に到着予定。</p>
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165 </div>
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166
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167 <div id="footer">
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168 <h1>並列信頼研ロゴステッカーについて</h1>
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169 </div>
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170
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171 </div> <!-- presentation -->
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172 </body>
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173 </html>