Restore the block length and add a comment.

2004-10-01 15:25:53 +00:00 · 2004-10-01 15:25:53 +00:00 · 77e8bf1ca4
parent 4ca4c7c8cc
commit 77e8bf1ca4
1 changed files with 7 additions and 1 deletions
--- a/Modules/collectionsmodule.c
+++ b/Modules/collectionsmodule.c
@ -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.