2c2
< * Copyright (c) 2014-2015 Advanced Micro Devices, Inc.
---
> * Copyright (c) 2014-2017 Advanced Micro Devices, Inc.
17,19c17,19
< * 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.
---
> * 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.
33c33,34
< * Author: Sooraj Puthoor
---
> * Authors: Sooraj Puthoor,
> * Anthony Gutierrez
36,37c37,38
< #ifndef __RR_SCHEDULING_POLICY_HH__
< #define __RR_SCHEDULING_POLICY_HH__
---
> #ifndef __GPU_COMPUTE_RR_SCHEDULING_POLICY_HH__
> #define __GPU_COMPUTE_RR_SCHEDULING_POLICY_HH__
39,42d39
< #include <inttypes.h>
<
< #include <cstddef>
< #include <utility>
45c42,43
< #include "base/logging.hh"
---
> #include "gpu-compute/scheduling_policy.hh"
> #include "gpu-compute/wavefront.hh"
47,50c45,46
< class Wavefront;
<
< // Round-Robin pick among the list of ready waves
< class RRSchedulingPolicy
---
> // round-robin pick among the list of ready waves
> class RRSchedulingPolicy final : public __SchedulingPolicy<RRSchedulingPolicy>
53c49,51
< RRSchedulingPolicy() : scheduleList(nullptr) { }
---
> RRSchedulingPolicy()
> {
> }
55,56c53,58
< Wavefront* chooseWave();
< void bindList(std::vector<Wavefront*> *list);
---
> static Wavefront*
> __chooseWave(std::vector<Wavefront*> *sched_list)
> {
> panic_if(!sched_list->size(), "RR scheduling policy sched list is "
> "empty.\n");
> Wavefront *selected_wave(nullptr);
58,62c60,73
< private:
< // List of waves which are participating in scheduling.
< // This scheduler selects one wave from this list based on
< // round robin policy
< std::vector<Wavefront*> *scheduleList;
---
> /**
> * For RR policy, select the wave that is at the front of
> * the list. The selected wave is popped out from the schedule
> * list immediately after selection to avoid starvation. It
> * is the responsibility of the module invoking the RR scheduler
> * to make sure it is scheduling eligible waves are added to the
> * back of the schedule list.
> */
> selected_wave = sched_list->front();
> panic_if(!selected_wave, "No wave found by RR scheduling policy.\n");
> sched_list->erase(sched_list->begin());
>
> return selected_wave;
> }
65c76
< #endif // __RR_SCHEDULING_POLICY_HH__
---
> #endif // __GPU_COMPUTE_RR_SCHEDULING_POLICY_HH__