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JIT: refactor CSE to allow running greedy ML heuristic in release #98729

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Feb 21, 2024
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JIT: refactor CSE to allow running greedy ML heuristic in release #98729

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3a51fef
JIT: refactor CSE to allow running greedy ML heuristic in release
AndyAyersMS Feb 20, 2024
f43bdcb
fix another issue with greedy; think this just affected order and not…
AndyAyersMS Feb 21, 2024
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1 change: 1 addition & 0 deletions src/coreclr/jit/compiler.h
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Original file line number Diff line number Diff line change
Expand Up @@ -2490,6 +2490,7 @@ class Compiler
friend class CSE_HeuristicRandom;
friend class CSE_HeuristicReplay;
friend class CSE_HeuristicRL;
friend class CSE_HeuristicParameterized;
friend class CSE_Heuristic;
friend class CodeGenInterface;
friend class CodeGen;
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17 changes: 9 additions & 8 deletions src/coreclr/jit/jitconfigvalues.h
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Expand Up @@ -377,6 +377,14 @@ CONFIG_INTEGER(JitConstCSE, W("JitConstCSE"), 0)
#define CONST_CSE_ENABLE_ALL 3
#define CONST_CSE_ENABLE_ALL_NO_SHARING 4

// If nonzero, use the greedy RL policy.
//
CONFIG_INTEGER(JitRLCSEGreedy, W("JitRLCSEGreedy"), 0)

// If nonzero, dump out details of parameterized policy evaluation and
// gradient updates
CONFIG_INTEGER(JitRLCSEVerbose, W("JitRLCSEVerbose"), 0)

#if defined(DEBUG)
// Allow fine-grained controls of CSEs done in a particular method
//
Expand Down Expand Up @@ -415,7 +423,7 @@ CONFIG_STRING(JitReplayCSE, W("JitReplayCSE"))
CONFIG_STRING(JitReplayCSEReward, W("JitReplayCSEReward"))

// When set, specifies the initial parameter string for
// a reinforcement-learning based CSE heuristic.
// the reinforcement-learning based CSE heuristic.
//
// Note you can also set JitReplayCSE and JitReplayCSEPerfScore
// along with this, in which case we are asking for a policy
Expand All @@ -426,16 +434,9 @@ CONFIG_STRING(JitRLCSE, W("JitRLCSE"))
// use in learning.
CONFIG_STRING(JitRLCSEAlpha, W("JitRLCSEAlpha"))

// If nonzero, dump out details of policy evaluation and
// gradient updates
CONFIG_INTEGER(JitRLCSEVerbose, W("JitRLCSEVerbose"), 0)

// If nonzero, dump candidate feature values
CONFIG_INTEGER(JitRLCSECandidateFeatures, W("JitRLCSECandidateFeatures"), 0)

// If nonzero, use the greedy policy with current parameters.
CONFIG_INTEGER(JitRLCSEGreedy, W("JitRLCSEGreedy"), 0)

#endif

///
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