dol/examples/example4/example4.xml

   1 <?xml version="1.0" encoding="UTF-8"?>
   2 <processnetwork xmlns="http://www.tik.ee.ethz.ch/~shapes/schema/PROCESSNETWORK" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.tik.ee.ethz.ch/~shapes/schema/PROCESSNETWORK
   3 http://www.tik.ee.ethz.ch/~shapes/schema/processnetwork.xsd" name="MatrixMult">
   4
   5   <variable value="2" name="N"/> <!-- number of rows/columns of square matrix -->
   6
   7   <!-- instantiate processes -->
   8   <!-- process for generating matrices -->
   9   <process name="input_generator">
  10     <iterator variable="i" range="N">
  11       <iterator  variable="row" range="N">
  12         <iterator variable="col" range="N">
  13           <port type="output" name="matrixA">
  14             <append function="row"/>
  15             <append function="col"/>
  16             <append function="i"/>
  17           </port>
  18           <port type="output" name="matrixB">
  19             <append function="row"/>
  20             <append function="col"/>
  21             <append function="i"/>
  22           </port>
  23         </iterator>
  24       </iterator>
  25     </iterator>
  26     <iterator variable="i" range="N * N">
  27       <port type="output" name="zeroinput">
  28         <append function="i"/>
  29       </port>
  30     </iterator>
  31     <source type="c" location="generator.c"/>
  32   </process>
  33
  34   <!-- process to collect result -->
  35   <process name="output_consumer">
  36     <iterator  variable="row" range="N">
  37       <iterator variable="col" range="N">
  38         <port type="input" name="matrixC">
  39           <append function="row"/>
  40           <append function="col"/>
  41         </port>
  42       </iterator>
  43     </iterator>
  44     <source type="c" location="consumer.c"/>
  45   </process>
  46
  47   <!-- processes to compute result -->
  48   <iterator variable="i" range="N">
  49     <iterator variable="row" range="N">
  50       <iterator variable="col" range="N">
  51         <process name="addmult">
  52           <append function="i"/>
  53           <append function="row"/>
  54           <append function="col"/>
  55           <port type="input" name="factor1"/>
  56           <port type="input" name="factor2"/>
  57           <port type="input" name="summand"/>
  58           <port type="output" name="sum"/>
  59           <source type="c" location="addmult.c"/>
  60         </process>
  61       </iterator>
  62     </iterator>
  63   </iterator>
  64
  65
  66   <!-- instantiate channels -->
  67   <!-- channels for matrices -->
  68   <iterator variable="i" range="N">
  69     <iterator variable="row" range="N">
  70       <iterator variable="col" range="N">
  71         <sw_channel type="fifo" size="8" name="matrixAchannel">
  72           <append function="i"/>
  73           <append function="row"/>
  74           <append function="col"/>
  75           <port type="input" name="in"/>
  76           <port type="output" name="out"/>
  77         </sw_channel>
  78         <sw_channel type="fifo" size="8" name="matrixBchannel">
  79           <append function="i"/>
  80           <append function="row"/>
  81           <append function="col"/>
  82           <port type="input" name="in"/>
  83           <port type="output" name="out"/>
  84         </sw_channel>
  85       </iterator>
  86     </iterator>
  87   </iterator>
  88
  89   <!-- channels for zeros -->
  90   <iterator variable="i" range="N">
  91     <iterator variable="row" range="N">
  92       <sw_channel type="fifo" size="8" name="zerochannel">
  93         <append function="i"/>
  94         <append function="row"/>
  95         <port type="input" name="in"/>
  96         <port type="output" name="out"/>
  97       </sw_channel>
  98     </iterator>
  99   </iterator>
 100
 101   <!-- channels for result -->
 102   <iterator variable="row" range="N">
 103     <iterator variable="col" range="N">
 104       <sw_channel type="fifo" size="8" name="resultchannel">
 105         <append function="row"/>
 106         <append function="col"/>
 107         <port type="input" name="in"/>
 108         <port type="output" name="out"/>
 109       </sw_channel>
 110     </iterator>
 111   </iterator>
 112
 113   <!-- channels between processes -->
 114   <iterator variable="i" range="N">
 115     <iterator variable="row" range="N">
 116       <iterator variable="col" range="N - 1">
 117         <sw_channel type="fifo" size="8" name="addmultchannel">
 118           <append function="i"/>
 119           <append function="row"/>
 120           <append function="col"/>
 121           <port type="input" name="in"/>
 122           <port type="output" name="out"/>
 123         </sw_channel>
 124       </iterator>
 125     </iterator>
 126   </iterator>
 127
 128
 129   <!-- instantiate connections -->
 130   <!-- connect the input_generator to the "matrix" and zero channels -->
 131   <iterator variable="i" range="N">
 132     <iterator variable="row" range="N">
 133       <iterator variable="col" range="N">
 134         <connection name="tomatrixAchannel">
 135           <append function="row"/>
 136           <append function="col"/>
 137           <append function="i"/>
 138           <origin name="input_generator">
 139             <port name="matrixA">
 140               <append function="row"/>
 141               <append function="col"/>
 142               <append function="i"/>
 143             </port>
 144           </origin>
 145           <target name="matrixAchannel">
 146             <append function="i"/>
 147             <append function="row"/>
 148             <append function="col"/>
 149             <port name="in"/>
 150           </target>
 151         </connection>
 152
 153         <connection name="tomatrixBchannel">
 154           <append function="row"/>
 155           <append function="col"/>
 156           <append function="i"/>
 157           <origin name="input_generator">
 158             <port name="matrixB">
 159               <append function="row"/>
 160               <append function="col"/>
 161               <append function="i"/>
 162             </port>
 163           </origin>
 164           <target name="matrixBchannel">
 165             <append function="i"/>
 166             <append function="row"/>
 167             <append function="col"/>
 168             <port name="in"/>
 169           </target>
 170         </connection>
 171       </iterator>
 172
 173       <connection name="tozerochannel">
 174         <append function="i * N + row"/>
 175         <origin name="input_generator">
 176           <port name="zeroinput">
 177             <append function="i * N + row"/>
 178           </port>
 179         </origin>
 180         <target name="zerochannel">
 181           <append function="i"/>
 182           <append function="row"/>
 183           <port name="in"/>
 184         </target>
 185       </connection>
 186     </iterator>
 187   </iterator>
 188
 189   <!-- connect the "matrix" and "zero" channels to the addmults -->
 190   <iterator variable="i" range="N">
 191     <iterator variable="row" range="N">
 192       <iterator variable="col" range="N">
 193         <!-- connection for matrix A -->
 194         <connection name="matrixA_connection">
 195           <append function="i"/>
 196           <append function="row"/>
 197           <append function="col"/>
 198           <origin name="matrixAchannel">
 199             <append function="i"/>
 200             <append function="row"/>
 201             <append function="col"/>
 202             <port name="out"/>
 203           </origin>
 204           <target name="addmult">
 205             <append function="i"/>
 206             <append function="row"/>
 207             <append function="col"/>
 208             <port name="factor1"/>
 209           </target>
 210         </connection>
 211
 212         <!-- connection for matrix B -->
 213         <!-- note the order of appends for matrixBchannel -->
 214         <connection name="matrixB_connection">
 215           <append function="i"/>
 216           <append function="row"/>
 217           <append function="col"/>
 218           <origin name="matrixBchannel">
 219             <append function="row"/>
 220             <append function="col"/>
 221             <append function="i"/>
 222             <port name="out"/>
 223           </origin>
 224           <target name="addmult">
 225             <append function="i"/>
 226             <append function="row"/>
 227             <append function="col"/>
 228             <port name="factor2"/>
 229           </target>
 230         </connection>
 231       </iterator>
 232
 233       <!-- zero input connections to addmults -->
 234       <connection name="zero_connection">
 235         <append function="i"/>
 236         <append function="row"/>
 237         <origin name="zerochannel">
 238           <append function="i"/>
 239           <append function="row"/>
 240           <port name="out"/>
 241         </origin>
 242         <target name="addmult">
 243           <append function="i"/>
 244           <append function="row"/>
 245           <append function="0"/>
 246           <port name="summand"/>
 247         </target>
 248       </connection>
 249     </iterator>
 250   </iterator>
 251
 252   <!-- connections from output of addmults to "addmult" channels -->
 253   <iterator variable="i" range="N">
 254     <iterator variable="row" range="N">
 255       <iterator variable="col" range="N - 1">
 256         <connection name="fromaddmult">
 257           <append function="i"/>
 258           <append function="row"/>
 259           <append function="col"/>
 260           <origin name="addmult">
 261             <append function="i"/>
 262             <append function="row"/>
 263             <append function="col"/>
 264             <port name="sum"/>
 265           </origin>
 266           <target name="addmultchannel">
 267             <append function="i"/>
 268             <append function="row"/>
 269             <append function="col"/>
 270             <port name="in"/>
 271           </target>
 272         </connection>
 273       </iterator>
 274     </iterator>
 275   </iterator>
 276
 277   <!-- connections from "addmult" channels to input of addmults -->
 278   <iterator variable="i" range="N">
 279     <iterator variable="row" range="N">
 280       <iterator variable="col" range="N - 1">
 281         <connection name="toaddmult">
 282           <append function="i"/>
 283           <append function="row"/>
 284           <append function="col + 1"/>
 285           <origin name="addmultchannel">
 286             <append function="i"/>
 287             <append function="row"/>
 288             <append function="col"/>
 289             <port name="out"/>
 290           </origin>
 291           <target name="addmult">
 292             <append function="i"/>
 293             <append function="row"/>
 294             <append function="col + 1"/>
 295             <port name="summand"/>
 296           </target>
 297         </connection>
 298       </iterator>
 299     </iterator>
 300   </iterator>
 301
 302   <!-- connections from addmults to "result" channels -->
 303   <iterator variable="row" range="N">
 304     <iterator variable="col" range="N">
 305       <connection name="tomatrixCchannel">
 306         <append function="row"/>
 307         <append function="col"/>
 308         <origin name="addmult">
 309           <append function="col"/>
 310           <append function="row"/>
 311           <append function="N-1"/>
 312           <port name="sum"/>
 313         </origin>
 314         <target name="resultchannel">
 315           <append function="row"/>
 316           <append function="col"/>
 317           <port name="in"/>
 318         </target>
 319       </connection>
 320     </iterator>
 321   </iterator>
 322
 323   <!-- connections from "result" channels to output_consumer -->
 324   <iterator variable="row" range="N">
 325     <iterator variable="col" range="N">
 326       <connection name="frommatrixCchannel">
 327         <append function="row"/>
 328         <append function="col"/>
 329         <origin name="resultchannel">
 330           <append function="row"/>
 331           <append function="col"/>
 332           <port name="out"/>
 333         </origin>
 334         <target name="output_consumer">
 335           <port name="matrixC">
 336             <append function="row"/>
 337             <append function="col"/>
 338           </port>
 339         </target>
 340       </connection>
 341     </iterator>
 342   </iterator>
 343
 344 </processnetwork>