gem5  v22.0.0.1
scoreboard_check_stage.hh
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31 
32 #ifndef __SCOREBOARD_CHECK_STAGE_HH__
33 #define __SCOREBOARD_CHECK_STAGE_HH__
34 
35 #include <cstdint>
36 #include <string>
37 #include <unordered_map>
38 #include <utility>
39 #include <vector>
40 
41 #include "base/statistics.hh"
42 #include "base/stats/group.hh"
43 
44 namespace gem5
45 {
46 
47 class ComputeUnit;
48 class ScoreboardCheckToSchedule;
49 class Wavefront;
50 
51 struct ComputeUnitParams;
52 
53 /*
54  * Scoreboard check stage.
55  * All wavefronts are analyzed to see if they are ready
56  * to be executed this cycle. Both structural and data
57  * hazards are considered while marking a wave "ready"
58  * for execution. After analysis, the ready waves are
59  * added to readyList.
60  */
62 {
63  public:
65  {
76  };
77 
78  ScoreboardCheckStage(const ComputeUnitParams &p, ComputeUnit &cu,
79  ScoreboardCheckToSchedule &to_schedule);
81  void exec();
82 
83  // Stats related variables and methods
84  const std::string& name() const { return _name; }
85 
86  private:
87  void collectStatistics(nonrdytype_e rdyStatus);
89  bool ready(Wavefront *w, nonrdytype_e *rdyStatus,
90  int *exeResType, int wfSlot);
92 
99 
100  const std::string _name;
101 
102  protected:
104  {
106 
108  } stats;
109 };
110 
111 } // namespace gem5
112 
113 #endif // __SCOREBOARD_CHECK_STAGE_HH__
gem5::ScoreboardCheckStage::NRDY_VGPR_NRDY
@ NRDY_VGPR_NRDY
Definition: scoreboard_check_stage.hh:72
gem5::ScoreboardCheckStage
Definition: scoreboard_check_stage.hh:61
group.hh
gem5::ScoreboardCheckStage::NRDY_WF_STOP
@ NRDY_WF_STOP
Definition: scoreboard_check_stage.hh:67
gem5::Wavefront
Definition: wavefront.hh:60
gem5::ScoreboardCheckStage::ScoreboardCheckStageStats::ScoreboardCheckStageStats
ScoreboardCheckStageStats(statistics::Group *parent)
Definition: scoreboard_check_stage.cc:281
gem5::ScoreboardCheckStage::NRDY_BARRIER_WAIT
@ NRDY_BARRIER_WAIT
Definition: scoreboard_check_stage.hh:71
gem5::ScoreboardCheckStage::NRDY_WAIT_CNT
@ NRDY_WAIT_CNT
Definition: scoreboard_check_stage.hh:69
gem5::statistics::Vector
A vector of scalar stats.
Definition: statistics.hh:2006
gem5::VegaISA::w
Bitfield< 6 > w
Definition: pagetable.hh:59
gem5::ScoreboardCheckStage::~ScoreboardCheckStage
~ScoreboardCheckStage()
Definition: scoreboard_check_stage.cc:57
gem5::ScoreboardCheckStage::computeUnit
ComputeUnit & computeUnit
Definition: scoreboard_check_stage.hh:91
gem5::ScoreboardCheckStage::nonrdytype_e
nonrdytype_e
Definition: scoreboard_check_stage.hh:64
gem5::ComputeUnit
Definition: compute_unit.hh:201
gem5::ScoreboardCheckStage::collectStatistics
void collectStatistics(nonrdytype_e rdyStatus)
Definition: scoreboard_check_stage.cc:62
gem5::VegaISA::p
Bitfield< 54 > p
Definition: pagetable.hh:70
gem5::ScoreboardCheckStage::NRDY_SGPR_NRDY
@ NRDY_SGPR_NRDY
Definition: scoreboard_check_stage.hh:73
gem5::ScoreboardCheckStage::name
const std::string & name() const
Definition: scoreboard_check_stage.hh:84
statistics.hh
gem5::ScoreboardCheckStage::ScoreboardCheckStage
ScoreboardCheckStage(const ComputeUnitParams &p, ComputeUnit &cu, ScoreboardCheckToSchedule &to_schedule)
Definition: scoreboard_check_stage.cc:48
gem5::ScoreboardCheckStage::mapWaveToExeUnit
int mapWaveToExeUnit(Wavefront *w)
Definition: scoreboard_check_stage.cc:206
gem5::ScoreboardCheckStage::NRDY_ILLEGAL
@ NRDY_ILLEGAL
Definition: scoreboard_check_stage.hh:66
gem5::ScoreboardCheckStage::toSchedule
ScoreboardCheckToSchedule & toSchedule
Interface between scoreboard check and schedule stages.
Definition: scoreboard_check_stage.hh:98
gem5::ScoreboardCheckStage::ready
bool ready(Wavefront *w, nonrdytype_e *rdyStatus, int *exeResType, int wfSlot)
Definition: scoreboard_check_stage.cc:75
gem5::ScoreboardCheckToSchedule
Communication interface between ScoreboardCheck and Schedule stages.
Definition: comm.hh:62
gem5::ScoreboardCheckStage::ScoreboardCheckStageStats::stallCycles
statistics::Vector stallCycles
Definition: scoreboard_check_stage.hh:107
gem5::ScoreboardCheckStage::_name
const std::string _name
Definition: scoreboard_check_stage.hh:100
gem5::statistics::Group
Statistics container.
Definition: group.hh:93
gem5::ScoreboardCheckStage::INST_RDY
@ INST_RDY
Definition: scoreboard_check_stage.hh:74
gem5::ScoreboardCheckStage::NRDY_IB_EMPTY
@ NRDY_IB_EMPTY
Definition: scoreboard_check_stage.hh:68
gem5::ScoreboardCheckStage::NRDY_CONDITIONS
@ NRDY_CONDITIONS
Definition: scoreboard_check_stage.hh:75
gem5::ScoreboardCheckStage::ScoreboardCheckStageStats
Definition: scoreboard_check_stage.hh:103
gem5::ScoreboardCheckStage::NRDY_SLEEP
@ NRDY_SLEEP
Definition: scoreboard_check_stage.hh:70
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37
gem5::ScoreboardCheckStage::exec
void exec()
Definition: scoreboard_check_stage.cc:248
gem5::ScoreboardCheckStage::stats
gem5::ScoreboardCheckStage::ScoreboardCheckStageStats stats

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