Changeset: ff8549560d5f for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=ff8549560d5f
Modified Files:
gdk/gdk_search.c
Branch: default
Log Message:
imprived determination of BUN width for hash tables:
The width depeneds on the larger of hash-mask & linked list length
(i.d., BAT length), not on the sum of both.
diffs (12 lines):
diff --git a/gdk/gdk_search.c b/gdk/gdk_search.c
--- a/gdk/gdk_search.c
+++ b/gdk/gdk_search.c
@@ -125,7 +125,7 @@ Hash *
HASHnew(Heap *hp, int tpe, BUN size, BUN mask)
{
Hash *h = NULL;
- int width = HASHwidth(mask + size);
+ int width = HASHwidth(MAX(mask,size));
if (HEAPalloc(hp, mask + size, width) < 0)
return NULL;
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