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author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 14 Oct 2014 19:17:35 +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 charset='utf-8'>
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5 <title>Presen</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 <!-- style sheet links -->
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21 <link rel="stylesheet/less" href="themes/blank/projection.css.less" media="screen,projection">
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22 <link rel="stylesheet/less" href="themes/blank/screen.css.less" media="screen">
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23 <link rel="stylesheet/less" href="themes/blank/print.css.less" media="print">
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24
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25 <link rel="stylesheet/less" href="blank.css.less" media="screen,projection">
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26
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27 <!-- Notes about less css support
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28 - all less stylesheets (*.css.less) need to get listed/loaded first (before the less.js script)
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29 - find more info about less.js online @ http://lesscss.org
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30
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31 ***** NOTE:
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32 less.js browser script currently won’t work if you’re using Google Chrome
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33 and the path to your page starts with "file:///" due to a known Chrome issue.
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34 (In the developer/js console you will see:
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35 XMLHttpRequest cannot load file:///../s6/shared/projection.css.less.
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36 Cross origin requests are only supported for HTTP.)
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37 -->
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38
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39 <!-- add js libs (less, jquery) -->
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40 <script src="js/less-1.1.4.min.js"></script>
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41 <script src="js/jquery-1.7.min.js"></script>
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42
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43 <!-- S6 JS -->
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44 <script src="js/jquery.slideshow.js"></script>
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45 <script src="js/jquery.slideshow.counter.js"></script>
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46 <script src="js/jquery.slideshow.controls.js"></script>
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47 <script src="js/jquery.slideshow.footer.js"></script>
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48 <script src="js/jquery.slideshow.autoplay.js"></script>
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49 <script>
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50 $(document).ready( function() {
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51 Slideshow.init();
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52
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53 // Example 2: Start Off in Outline Mode
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54 // Slideshow.init( { mode: 'outline' } );
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55
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56 // Example 3: Use Custom Transition
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57 // Slideshow.transition = transitionScrollUp;
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58 // Slideshow.init();
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59
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60 // Example 4: Start Off in Autoplay Mode with Custom Transition
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61 // Slideshow.transition = transitionScrollUp;
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62 // Slideshow.init( { mode: 'autoplay' } );
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63 } );
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64 </script>
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65
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66 </head>
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67 <body>
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68
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69 <div class="layout">
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70 <div id="header"></div>
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71 <div id="footer">
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72 <div align="right">
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73 <img src="images/concurrency.png" width="200">
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74 </div>
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75 </div>
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76 </div>
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77
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78 <div class="presentation">
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79
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80 <!-- add slides here; example -->
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81
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82 <div class='slide cover'>
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83 <table width="90%" height="90%" border="0" align="center">
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84 <tr>
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85 <td><div align="center">
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86 <h1><font color="#808db5">CbC におけるデータセグメントの設計</font></h1>
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87 </div></td>
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88 </tr>
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89 <tr>
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90 <td><div align="left">
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91 Kaito Tokumori
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92 <script>
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93 var date = new Date();
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94 var year = date.getFullYear();
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95 var month = date.getMonth();
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96 var day = date.getDate();
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97
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98 var monthList = new Array("January","February","March","April","May","June",
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99 "July","August","September","October","November","December");
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100
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101 document.write(monthList[month]+" "+day+", "+year);
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102
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103 </script>
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104 <hr style="color:#ffcc00;background-color:#ffcc00;text-align:left;border:none;width:300%;height:0.2em;">
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105 </div></td>
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106 </tr>
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107 </table>
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108 </div>
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109
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110 <div class='slide'>
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111 <h3>研究目的</h3>
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112 <p>当研究室ではプログラムをコードセグメント、データセグメントという単位を用いて書くという手法を提案している。その手法を用いてプログラミングを行う言語として"CbC"の開発を行っており、これはCの下位の言語である。CbCにおいてコードセグメント間の移動はgoto文を用いた軽量継続によって行われ、これはTail Call Eliminationという最適化の強制によって実現される。</p>
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113 <p>本研究過去に開発されたmicro-c,GCC版のコンパイラに続くLLVM/Clang上でのCbCコンパイラの開発を行う。</p>
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114 </div>
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115
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116 <div class='slide'>
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117 <h3>今週の Task</h3>
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118 <p>Data Segment をどうするか</p>
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119 </div>
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120
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121 <div class='slide'>
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122 <h3>Data Segment</h3>
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123 <ul>
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124 <li>処理対象となるデータの単位.
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125 <li>Code Segment の待ち合わせ制御は Data Segment に依存する.
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126 <li>Data Segment の外部表現は message pack を使う.
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127 <li>priority による処理順序の切り替えが可能.
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128 </ul>
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129 </div>
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130
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131 <div class='slide'>
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132 <h3>Data Segment</h3>
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133 <ul>
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134 <li>CbC にもData Segment Manager に相当するものが必要かどうか.
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135 <li>Data に依存して Code が動くようにすることを考えると Code Segment の Manager も必要.
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136 <li>Data Segment の定義, 記述方法.
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137 <li>Data Segment へのアクセス.
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138 </ul>
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139 </div>
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140
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141 <div class='slide'>
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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142 <h3>Data Segment の定義と記述</h3>
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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143 <ul>
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144 <li>C/C++ 向けの message pack はこんな感じ
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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145 </ul>
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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146 <pre class='code'>
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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147 int main(void) {
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148
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149 /* creates buffer and serializer instance. */
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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150 msgpack_sbuffer* buffer = msgpack_sbuffer_new();
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151 msgpack_packer* pk = msgpack_packer_new(buffer, msgpack_sbuffer_write);
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152
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153 /* serializes ["Hello", "MessagePack"]. */
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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154 msgpack_pack_array(pk, 2);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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155 msgpack_pack_raw(pk, 5);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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156 msgpack_pack_raw_body(pk, "Hello", 5);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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157 msgpack_pack_raw(pk, 11);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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158 msgpack_pack_raw_body(pk, "MessagePack", 11);
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159
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160 /* deserializes it. */
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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161 msgpack_unpacked msg;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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162 msgpack_unpacked_init(&msg);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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163 bool success = msgpack_unpack_next(&msg, buffer->data, buffer->size, NULL);
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164
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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165 /* prints the deserialized object. */
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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166 msgpack_object obj = msg.data;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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167 msgpack_object_print(stdout, obj); /*=> ["Hello", "MessagePack"] */
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168
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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169 /* cleaning */
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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170 msgpack_sbuffer_free(buffer);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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171 msgpack_packer_free(pk);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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172 } </pre>
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173 </div>
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174
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175 <div class='slide'>
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176 <h3>Data Segment の定義と記述</h3>
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177 <ul>
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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178 <li>もうちょっと触りやすくしたい
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179 <li>通常は構造体にしておけばアクセスが楽.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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180 </ul>
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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181 <pre class='code'>
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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182 __code cs(ids, ods) {
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183
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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184 // data segment definition
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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185 __data dsType {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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186 int no;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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187 char* msg[2];
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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188 };
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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189 dsType data1 = {5, {"Hello", "DataSegment"}}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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190 // access
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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191 ds.no = 0;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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192 printf("msg: %s %s",ds.msg[0],ds.msg[1]);
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193
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194 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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195 </pre>
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196 </div>
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197
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198 <div class='slide'>
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199 <h3>Data Segment と Message pack</h3>
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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200 <ul>
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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201 <li>コンパイラ的にはデータセグメントを構造体のように扱うようAST構築しておいて外にだすときに message pack にすればいいんじゃないかな。
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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202 <li>外にだすとき, massage pack にするなら出るとき入るときに変換が必要.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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203 <li>そういう新しい構文が必要なんじゃないか.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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204 </ul>
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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205 </div> <!-- presentation -->
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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206 </body>
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207 </html>