1 files changed, 76 insertions, 0 deletions
diff --git a/src/gpu-compute/of_scheduling_policy.cc b/src/gpu-compute/of_scheduling_policy.cc
new file mode 100644
index 000000000..7f114706a
--- /dev/null
+++ b/src/gpu-compute/of_scheduling_policy.cc
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2014-2015 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * For use for simulation and test purposes only
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Author: Sooraj Puthoor
+ */
+
+#include "gpu-compute/of_scheduling_policy.hh"
+
+#include "gpu-compute/wavefront.hh"
+
+Wavefront*
+OFSchedulingPolicy::chooseWave()
+{
+    // Set when policy choose a wave to schedule
+    bool waveChosen = false;
+    Wavefront *selectedWave = nullptr;
+    int selectedWaveID = -1;
+    uint32_t selectedPosition = 0;
+
+    for (int position = 0; position < scheduleList->size(); ++position) {
+        Wavefront *curWave = scheduleList->at(position);
+        uint32_t curWaveID = curWave->wfDynId;
+
+        // Choosed wave with the lowest wave ID
+        if (selectedWaveID == -1 || curWaveID < selectedWaveID) {
+            waveChosen = true;
+            selectedWaveID = curWaveID;
+            selectedWave = curWave;
+            selectedPosition = position;
+        }
+    }
+
+    // Check to make sure ready list had atleast one schedulable wave
+    if (waveChosen) {
+        scheduleList->erase(scheduleList->begin() + selectedPosition);
+    } else {
+        panic("Empty ready list");
+    }
+
+    return selectedWave;
+}
+
+void
+OFSchedulingPolicy::bindList(std::vector<Wavefront*> *list)
+{
+    scheduleList = list;
+}