Changes between Version 5 and Version 6 of OpenCLTransformation

Timestamp:

06/27/14 12:53:39 (12 years ago)

Author:

fuufusuu

Comment:

--

OpenCLTransformation

@@ +1 @@
+Note: err is just an int that will say whether the function executed properly, not part of translation at this time.
+
 This iteration of the transformation is rather basic, with functions broken down into bare essentials. They may be transformed into slightly more complicated functions as time goes on. For now, here is what their equivalents are, using example code:
 
@@ -59 +61 @@
 }}}
 
+err = clEnqueueNDRangeKernel(commands, kernel, 1, NULL, &global, &local, 0, NULL, NULL);
+
+Starts taking all the information gathered and queues up work and workgroups using the specified commands, kernel, global worksize, and local work size.
+
+{{{
+  $proc procs[global/local];
+  for(int i = 0; i < global/local; i++)
+  {
+    param[i].workgroup = i;
+    //procs[i] = $spawn square(param[i].global_id, param[i].input, param[i].output, param[i].count);
+    procs[i] = $spawn worksquare(local, global, param[i]);
+  }
+  
+  for(int i = 0; i < global/local; i++)
+  {
+    $wait(procs[i]);
+  }
+}}}
+
+This method simulates the use of block workgroups
+
+{{{
+void worksquare(size_t local, size_t global, kernel param)
+{
+  for(int i = local * param.workgroup; i < local * param.workgroup + local; i++)
+  {
+    param.local_id = i % local;
+    param.global_id = i;
+    //printf("My workgroup id is %d, my global id is %d, my local id is %d\n", param.workgroup, param.global_id, param.local_id);
+    square(param.workgroup, param.global_id, param.local_id, param.input, param.output, param.count);
+  }
+}
+}}}
+err = clEnqueueReadBuffer( commands, output, CL_TRUE, 0, sizeof(float) * count, results, 0, NULL, NULL );  
+
+Puts the data from a kernel from one of the variables passed in to another variable.
+
+{{{
+  memcpy(results, output, sizeof(int) * count);
+}}}