[Interpreter] Tune runtime profiler parameters for turbofan and OSR.

src/interpreter/interpreter.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_INTERPRETER_INTERPRETER_H_
 #define V8_INTERPRETER_INTERPRETER_H_
 
 #include <memory>
 
 // Clients of this interface shouldn't depend on lots of interpreter internals.
@@ skipping 49 matching lines @@
 
   Address dispatch_table_address() {
     return reinterpret_cast<Address>(&dispatch_table_[0]);
   }
 
   Address bytecode_dispatch_counters_table() {
     return reinterpret_cast<Address>(bytecode_dispatch_counters_table_.get());
   }
 
   // TODO(ignition): Tune code size multiplier.
-  static const int kCodeSizeMultiplier = 72;
+  static const int kCodeSizeMultiplier = 32;

[mythria, 2016/10/26 08:17:15]

I reset the code size multiplier in interpreter to 32 and instead added a new
parameter in runtime-profiler to tune turbofan and cranshaft independently.

 
  private:
 // Bytecode handler generator functions.
 #define DECLARE_BYTECODE_HANDLER_GENERATOR(Name, ...) \
   void Do##Name(InterpreterAssembler* assembler);
   BYTECODE_LIST(DECLARE_BYTECODE_HANDLER_GENERATOR)
 #undef DECLARE_BYTECODE_HANDLER_GENERATOR
 
   // Generates code to perform the binary operation via |Generator|.
   template <class Generator>
@@ skipping 105 matching lines @@
   std::unique_ptr<uintptr_t[]> bytecode_dispatch_counters_table_;
 
   DISALLOW_COPY_AND_ASSIGN(Interpreter);
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_INTERPRETER_H_