2 * Copyright (c) 2014-2017 Advanced Micro Devices, Inc.
5 * For use for simulation and test purposes only
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33 * Authors: Sooraj Puthoor,
37 #ifndef __GPU_COMPUTE_OF_SCHEDULING_POLICY_HH__
38 #define __GPU_COMPUTE_OF_SCHEDULING_POLICY_HH__
42 #include "gpu-compute/scheduling_policy.hh"
43 #include "gpu-compute/wavefront.hh"
45 // oldest first where age is marked by the wave id
46 class OFSchedulingPolicy final : public __SchedulingPolicy<OFSchedulingPolicy>
54 __chooseWave(std::vector<Wavefront*> *sched_list)
56 panic_if(!sched_list->size(), "OF scheduling policy sched list is "
58 // set when policy choose a wave to schedule
59 Wavefront *selected_wave(nullptr);
60 int selected_wave_id = -1;
61 int selected_position = 0;
63 for (int position = 0; position < sched_list->size(); ++position) {
64 Wavefront *cur_wave = sched_list->at(position);
65 int cur_wave_id = cur_wave->wfDynId;
67 // Choosed wave with the lowest wave ID
68 if (selected_wave_id == -1 || cur_wave_id < selected_wave_id) {
69 selected_wave_id = cur_wave_id;
70 selected_wave = cur_wave;
71 selected_position = position;
75 // Check to make sure ready list had at least one schedulable wave
76 panic_if(!selected_wave, "No wave found by OF scheduling policy.\n");
77 sched_list->erase(sched_list->begin() + selected_position);
83 #endif // __GPU_COMPUTE_OF_SCHEDULING_POLICY_HH__