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33 * Authors: Sooraj Puthoor,
37 #ifndef __SCHEDULE_STAGE_HH__
38 #define __SCHEDULE_STAGE_HH__
43 #include "gpu-compute/exec_stage.hh"
44 #include "gpu-compute/scheduler.hh"
45 #include "gpu-compute/scoreboard_check_stage.hh"
47 // Schedule or execution arbitration stage.
48 // From the pool of ready waves in the ready list,
49 // one wave is selected for each execution resource.
50 // The selection is made based on a scheduling policy
55 struct ComputeUnitParams;
60 ScheduleStage(const ComputeUnitParams *params);
62 void init(ComputeUnit *cu);
65 // Stats related variables and methods
66 std::string name() { return _name; }
70 ComputeUnit *computeUnit;
74 // Each execution resource will have its own
75 // scheduler and a dispatch list
76 std::vector<Scheduler> scheduler;
78 // Stores the status of waves. A READY implies the
79 // wave is ready to be scheduled this cycle and
80 // is already present in the readyList
81 std::vector<std::vector<std::pair<Wavefront*, WAVE_STATUS>>*>
84 // List of waves which will be dispatched to
85 // each execution resource. A FILLED implies
86 // dispatch list is non-empty and
87 // execution unit has something to execute
88 // this cycle. Currently, the dispatch list of
89 // an execution resource can hold only one wave because
90 // an execution resource can execute only one wave in a cycle.
91 std::vector<std::pair<Wavefront*, DISPATCH_STATUS>> *dispatchList;
96 #endif // __SCHEDULE_STAGE_HH__