[Python-checkins] python/dist/src/Modules collectionsmodule.c, 1.29, 1.30

[rhettinger at users.sourceforge.net]

Update of /cvsroot/python/python/dist/src/Modules
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv28798

Modified Files:
	collectionsmodule.c 
Log Message:
Restore the block length and add a comment.

Index: collectionsmodule.c
===================================================================
RCS file: /cvsroot/python/python/dist/src/Modules/collectionsmodule.c,v
retrieving revision 1.29
retrieving revision 1.30
diff -u -d -r1.29 -r1.30
--- collectionsmodule.c	1 Oct 2004 15:14:39 -0000	1.29
+++ collectionsmodule.c	1 Oct 2004 15:25:53 -0000	1.30
@@ -7,7 +7,13 @@
    All rights reserved.
 */
 
-#define BLOCKLEN 2
+/* The block length may be set to any number over 1.  Larger numbers
+ * reduce the number of calls to the memory allocator but take more
+ * memory.  Ideally, BLOCKLEN should be set with an eye to the
+ * length of a cache line.  
+ */
+
+#define BLOCKLEN 46
 #define CENTER ((BLOCKLEN - 1) / 2)
 
 /* A `dequeobject` is composed of a doubly-linked list of `block` nodes.