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Overview
| Comment: | Bias the b-tree binary search toward the high end. The common case is to append data and this heuristic makes append run much faster because there are fewer comparisons. (CVS 3740) |
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| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
a9877f616b24737152627841fcbd80cc |
| User & Date: | drh 2007-03-29 04:43:26.000 |
Context
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2007-03-29
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| 05:51 | Change BtreeMoveto so that it can be biased to the right or to the center. Use a right bias when appending and a center bias when searching. This gives about a 15% reduction in calls to sqlite3VdbeRecordCompare. (CVS 3741) (check-in: ad4a6b1a91 user: drh tags: trunk) | |
| 04:43 | Bias the b-tree binary search toward the high end. The common case is to append data and this heuristic makes append run much faster because there are fewer comparisons. (CVS 3740) (check-in: a9877f616b user: drh tags: trunk) | |
| 02:26 | Get LEMON working again when YYSTACKDEPTH is greater than zero. (CVS 3739) (check-in: e72c81dbb3 user: drh tags: trunk) | |
Changes
Changes to src/btree.c.