Changes between Version 26 and Version 27 of OpenMPTransformation

Timestamp:

04/25/14 09:37:58 (12 years ago)

Author:

siegel

Comment:

--

OpenMPTransformation

@@ -249 +249 @@
 }}}
 
+=== Translating `reduction` clause ===
+
+{{{
+#pragma omp for reduction(+:x,y)
+for (i=a; i<b; i++) {
+  S
+}
+}}}
+
+=>
+
+{{{
+{
+  CIVL_omp_loop_info info = $omp_ws_arrive_loop(_ws, 23);
+  double _x=0.0, _y=0.0;
+
+  int numIters = info.numIters;
+  for (int _count=0; _count<numIters; j++) {
+    int i = info.iters[_count][0];
+
+    translate(S) but replace x with _x and y with _y;
+  }
+  x += _x;
+  y += _y;
+  // note: do something with POR so it knows the operations above from
+  // different threads commute
+  barrier_and_flush();
+}
+}}}
+
+
 
 === Translating `sections` ===