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1 -title: Informational infrastructure and management for education in faculty of engineering
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2
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3 -author: Shinji KONO, Associate Professor, University of the Ryukyus
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4
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3
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5 --What I'm going to talk
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6
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7 About our Faculty (Information Engineering, University of the Ryukyus)
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8
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9 Part of my research
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10
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11 Computer system of our faculty
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12
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13 TreeVNC ( our lab's application ) for lecture/seminar
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14
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15
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16 --University of the Ryukyus
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17
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18 local national university
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19 8000 students
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20 Various faculty including Medicine
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21
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22
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23 --Faculty of Information Engineering
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24
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25 https://ie.u-ryukyu.ac.jp/external-information/
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26
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27 60 students per year
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28 Graduate course
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29
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30 --Our research area
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31
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32 Artificial Intelligence
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33 Robotics
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34 Signal Processing
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35 Network System
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36 Parallel Programming
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37 Distributed Programming
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38 Circuit design
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39 VLSI design
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40 Voice recognition
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41 Decision Theory
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42
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43 --My research area
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44
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45 Programming Languages
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46
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47 Parallel Processing
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48
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49 Distributed Computing
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50
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51 Verification of Program
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52
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53 Theory and Implementation of Meta Computation
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54
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55 http://www.ie.u-ryukyu.ac.jp/%7Ekono/papers.html
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56
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57
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58 --My research area (Continuation based C)
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59
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60 <center><img src="fig/csds.svg"></center>
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61
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62 % brew tap ie-developers/ie
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63 % brew install cbc
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64
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65 C with Code Segments, which is a slice of codes.
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66
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67 Code Segments are connected by parameterized goto.
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68
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69 __code code1(int i, int j, __code next(int i, int j)) {
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70 i = i + j;
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71 goto next(i,j);
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72 }
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73
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74 A kind of low level language of C.
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75
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76 --Gears OS
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77
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78 <center><img src="fig/meta.svg"></center>
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79
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80 Normal level code is translated into meta level code in CbC.
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81
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82 __code code1(struct context *c, int i, int j, int *o_i, int *o_j, enum Code next) {
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83 *o_i = i + j;
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84 goto meta(c,next);
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85 }
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86
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87 __code code1_stub(struct context *c) {
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88 int i, j, int *o_i, *o_j; enum Code next;
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89 ... get i, j etc from the data segment of code1
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90 goto code1(c,i, j, o_i, o_j, next);
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91 }
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92
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93 __code meta(struct context *c, enum Code next) {
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94 goto (context->code[next])(context);
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95 }
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96
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97 Quite low level, but various kind of customization can be put in the meta section such as __code meta or stub.
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98
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99 --GPGPU kernel is a Code Segment
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100
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101 Description of a kernel is very similar to a Code Segment, we can use it as a Code Segment.
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102
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103 In Meta Computation,
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104
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105 CUDA management (such as buffer)
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106 Memory management
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107 System call
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108
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109 --Computer System in Faculty of Engineering
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110
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111 <center><img src="fig/ie-sys.pdf"></center>
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112
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113 --Computer System in Faculty of Engineering
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114 4 x 2U PC Server
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115 KVM on GFS2 ( not VMware )
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116 VM management system written in Rail called Akatsuki
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117 Sakura Cloud
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118 GMail (thanks to Google)
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119
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120 We don't have GPU Cluster, but we can access
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121
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122 OIST
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123 Kyusyu University
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124
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125 Very few faculties use GPU Cluster, if we can use GPU VDM...
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126
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127
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128 --Specification
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129
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130 Sever x 2
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131 CPU Intel Xeon E5-2699 v3 (2.30GHz / 18 cores)
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132 CPU 2
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133 Memory 768GB (32GB x 24)
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134 HDD 600GB
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135
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136 Maintenance Server
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137 CPU Intel Core i7-6700 (3.40GHz / 4 cores)
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138 Memory 32GB (8GB x 4)
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139 SDD 240GB
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140 HDD 4TB
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141
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142 SAN iSCSI
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143 HDD SAS 1.2TB × 24 15000rpm RAID 6 19.7TB
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144 NAS
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145 HDD SAS 4.0TB × 24 7200rpm RAID 6 68.5TB x 2
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146
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147
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148 --System usage
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149
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150 Web pages (WordPress)
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151 Services ( DHCP, LDAP)
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152 File Server
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153 hg / git Server
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154 brew cask server
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155 Redmine ( for system management)
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156 Jenkins ( for educational )
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157 Akatsuki ( VM management written in Ruby on Rails)
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158
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159 --Management and maintenance of the system
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160
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161 These systems are managed by our faculties and students.
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162
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163 Design of the systems
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164 Implementation of the systems
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165 Backup
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166 Incident response ( power failure or security flaw )
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167
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168 --Every student has a MacBookPro
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169
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170 From 2002, at that time students buy iBook Dual USB. OS X 10.0.
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171
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172 The only Company supported consumer Unix system.
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173
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174 No nVidia GPU ... (sad) ( it was supported in old MBP or old Mac Pro )
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175
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176 -- TreeVNC
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177
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178 VNC stands for Virtual Network Computing
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179
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180 It is actually a network protocol called RFB ( Remote Frame Buffer )
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181
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182 VNC is usually used in one to one connection, which is not suitable for educational purpose such as lecture or seminar.
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183
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184 Project or Large LCD Display is too far to show the source code. Ex. Students wants to make a screen copy
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185
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186 Switching presenter's display cable of his PC is annoying.
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187
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188 --TreeVNC
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189
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190 <center><img src="fig/MultiNetworkTree.svg"></center>
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191
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192 TreeVNC connect VNC nodes as tree ( as overlay network in an LAN or WAN ), which makes multicast of VNC possible.
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193
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194 It also supports VNC server changes. It has "Share my screen" button, so a presenter can pass the screen to the next presenter.
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195
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196 It is a modification of TighVNC and written in Java.
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197
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198 http://www.cr.ie.u-ryukyu.ac.jp/software/TreeVNC_en.html
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199 --That's all, Thank you
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200
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201 <center><img src="fig/IMG_5814.jpg"></center>
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