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22 check-ins related to "two-size-lookaside"
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2020-01-02
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| 22:28 | Add the two-size lookaside memory allocator. Also, reduce the per-entry size of the ExprList object. (check-in: 51665bf0 user: drh tags: trunk) | |
| 22:23 | NEVER() and ALWAYS() macros tagging unreachable branches. (Closed-Leaf check-in: 34b87774 user: drh tags: two-size-lookaside) | |
| 21:41 | Merge the latest enhancements from trunk. (check-in: bd57e6d9 user: drh tags: two-size-lookaside) | |
| 21:30 | Do not allow the zipfile virtual table to start a transaction if no filename has been specified. (check-in: 7405e982 user: drh tags: trunk) | |
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2019-12-31
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| 15:12 | Refactor names. Use "small" instead of "mini" to describe the smaller of the two lookaside memory allocation sizes. (check-in: 88d24498 user: drh tags: two-size-lookaside) | |
| 14:49 | Merge recent enhancements from trunk. (check-in: 39d55579 user: drh tags: two-size-lookaside) | |
| 12:18 | The OP_ResultRow opcode releases the SCopy dependences on all its registers, as the values in those registers will not be reused. (check-in: 1dc83c5d user: drh tags: trunk) | |
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2019-12-13
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| 16:04 | Change the default lookaside configuration to 40 slots of 1200-bytes each. This actually works out to 30 big slots and 93 small slots using the mini-lookaside allocator. We get the same (or better) lookaside coverage but with 72KB less memory per connection. (check-in: 47b71a84 user: drh tags: two-size-lookaside) | |
| 15:48 | Cleanup and performance enhancements for mini-lookaside. (check-in: 74805668 user: drh tags: two-size-lookaside) | |
| 12:14 | Merge fixes from trunk. (check-in: 9c471195 user: drh tags: two-size-lookaside) | |
| 11:42 | Ensure that there is a containing SELECT statement when processing a normal aggregate function as if it were a window function. (check-in: c1014e80 user: drh tags: trunk) | |
| 01:12 | Reduce the size of ExprList to 24-bytes per entry, down from 32-bytes per entry. This helps keep lookaside allocations in the mini-size. (check-in: bda92d92 user: drh tags: two-size-lookaside) | |
| 00:49 | Tie up the loose ends in the ExprList size reduction. (Leaf check-in: 59d0f3af user: drh tags: two-size-lookaside, exprlist-size-reduction) | |
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2019-12-12
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| 22:11 | Work toward reducing the incremental size of an ExprList object to 24-byte per entry, from 32-bytes (on a 64-bit machine). This helps the new mini-lookaside allocator to run better by avoiding excessive reallocs. The current change mostly works, but still has a few loose ends to tie up. This check-in is merely a snapshot to save my work. (check-in: fdda76cf user: drh tags: two-size-lookaside, exprlist-size-reduction) | |
| 20:58 | Reduce the number of call sites to dbMallocRawFinish in the case where n > lookaside.sz (check-in: e392e7f2 user: numist tags: two-size-lookaside) | |
| 20:39 | Fix an issue where malloc could be used to fulfill a small allocation when a large lookaside slot could have beeen used instead. (check-in: 611020e3 user: numist tags: two-size-lookaside) | |
| 20:22 | Change the name of the Expr.a.zName field to zEName, so that it has a name that is distinct from other fields and variables and is hence easier to grep for. (check-in: d3783357 user: drh tags: two-size-lookaside) | |
| 17:17 | Change the size of a mini-lookaside allocation to a macro (MINI_SZ) rather than a magic number (128). (check-in: 5e1949bc user: drh tags: two-size-lookaside) | |
| 16:49 | Merge enhancements from trunk. (check-in: 6cb053f9 user: drh tags: two-size-lookaside) | |
| 15:19 | Factor out the conditional (which is only true for rare errors) from the notValid() function in resolve.c, for a performance improvement and size reduction. Also cause failures to set the Expr node to a NULL operator so that it does not cause problems later in case PRAGMA writable_schema=ON has been set. Test cases in TH3. (check-in: c6af9f65 user: drh tags: trunk) | |
| 02:50 | More efficient implementation of a lookaside allocator that supports mini (in this case, harcoded to 128B) slots. (check-in: b02fdc09 user: numist tags: two-size-lookaside) | |
| 00:20 | Fix goofy string formatting in lemon.c that dates from the K&R-C days. (check-in: 48ba5e5a user: drh tags: trunk) | |