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actually use the power-of-two assumption, brings it on par with load factor of 0.5

This commit is contained in:
Dmitry Olshansky 2013-03-08 14:15:40 +04:00
parent b9c1928746
commit e5810db4e2
1 changed files with 2 additions and 2 deletions
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4
std/d/lexer.d
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@ -3019,7 +3019,7 @@ struct StringCache
&& is(Unqual!(ElementType!R) : const(ubyte)))
{
uint h = hash(range);
uint bucket = h % index.length;
uint bucket = h & (index.length-1);
Slot *s = index[bucket];
if(s == null)
{
@ -3150,7 +3150,7 @@ private:
Slot*[] index;
size_t uniqueSlots;
enum loadQuot = 1, loadDenom = 3;
enum loadQuot = 1, loadDenom = 2;
// leave some slack for alloctors/GC meta-data
enum chunkSize = 16*1024 - size_t.sizeof*8;