From ec64e1d7bd230a172abfc37724d16af92d5fd37d Mon Sep 17 00:00:00 2001
From: Roberto Raggi <roberto.raggi@nokia.com>
Date: Thu, 2 Sep 2010 16:44:58 +0200
Subject: [PATCH] Tune the symbol and the literal tables.
---
src/shared/cplusplus/LiteralTable.h | 12 ++++++++++--
src/shared/cplusplus/Scope.cpp | 4 ++--
2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/src/shared/cplusplus/LiteralTable.h b/src/shared/cplusplus/LiteralTable.h
index 1c85c6f13a0..f95b79a7e6f 100644
--- a/src/shared/cplusplus/LiteralTable.h
+++ b/src/shared/cplusplus/LiteralTable.h
@@ -138,7 +138,11 @@ public:
_Literal *literal = new _Literal(chars, size);
if (++_literalCount == _allocatedLiterals) {
- _allocatedLiterals += 32;
+ if (! _allocatedLiterals)
+ _allocatedLiterals = 4;
+ else
+ _allocatedLiterals <<= 1;
+
_literals = (_Literal **) std::realloc(_literals, sizeof(_Literal *) * _allocatedLiterals);
}
@@ -161,7 +165,11 @@ protected:
if (_buckets)
std::free(_buckets);
- _allocatedBuckets += 32;
+ if (! _allocatedBuckets)
+ _allocatedBuckets = 4;
+ else
+ _allocatedBuckets <<= 1;
+
_buckets = (_Literal **) std::calloc(_allocatedBuckets, sizeof(_Literal *));
_Literal **lastLiteral = _literals + (_literalCount + 1);
diff --git a/src/shared/cplusplus/Scope.cpp b/src/shared/cplusplus/Scope.cpp
index bc5eeb90bbc..b500f178cb8 100644
--- a/src/shared/cplusplus/Scope.cpp
+++ b/src/shared/cplusplus/Scope.cpp
@@ -105,7 +105,7 @@ private:
void rehash();
private:
- enum { DefaultInitialSize = 11 };
+ enum { DefaultInitialSize = 4 };
Scope *_owner;
Symbol **_symbols;
@@ -147,7 +147,7 @@ void SymbolTable::enterSymbol(Symbol *symbol)
symbol->_scope = _owner;
_symbols[_symbolCount] = symbol;
- if (_symbolCount >= _hashSize * 0.6)
+ if (_symbolCount * 5 >= _hashSize * 3)
rehash();
else {
const unsigned h = hashValue(symbol);
--
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