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| author | Raymond Hettinger <python@rcn.com> | 2004-10-01 15:25:53 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2004-10-01 15:25:53 (GMT) |
| commit | 77e8bf1ca48f15780c7724910236d8ebb1da3c33 (patch) | |
| tree | d12b2c2a05973acdeaa4ef3ddf0ba6c05b3a74ef | |
| parent | 4ca4c7c8ccb681067d18fad063a3423fafc4d6f3 (diff) | |
| download | cpython-77e8bf1ca48f15780c7724910236d8ebb1da3c33.zip cpython-77e8bf1ca48f15780c7724910236d8ebb1da3c33.tar.gz cpython-77e8bf1ca48f15780c7724910236d8ebb1da3c33.tar.bz2 | |
Restore the block length and add a comment.
| -rw-r--r-- | Modules/collectionsmodule.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Modules/collectionsmodule.c b/Modules/collectionsmodule.c index 27236d9..e52a6a5 100644 --- 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. |