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10 check-ins using file src/vdbeInt.h version 581b737c

2016-09-30
22:24
Avoid initializing the column-cache section of the Parse object, since entries in the cache will be initialized as they are used, and avoiding the initial memset() saves many CPU cycles. (check-in: 63cf7eaf user: drh tags: trunk)
21:20
Fix an always-true conditional left over from the previous commit. (check-in: ab12fce3 user: drh tags: trunk)
20:22
Fix the Parse.aColCache column cache so that all of the valid entries are in the first Parse.nColCache slots. (check-in: 60285020 user: drh tags: trunk)
19:14
Another simplification to the Parse object. (check-in: c1419727 user: drh tags: trunk)
18:35
Remove unnecessary fields from the Parse object. (check-in: 814e41da user: drh tags: trunk)
17:46
Avoid unnecessary Mem initializations when generating a new sqlite3_stmt object. (check-in: 47ae1cda user: drh tags: trunk)
2016-09-29
20:28
Small size and performance optimization to sqlite3VdbeChangeP5(). (check-in: 3c93c8f5 user: drh tags: trunk)
19:50
Remove the peep-hole optimization of removing OP_Close opcodes that come before OP_Halt, as the extra work of removing those opcodes uses more cycles than just running them. (check-in: 984a96d7 user: drh tags: trunk)
19:27
Size and performance optimization to sqlite3ValueFromExpr() (check-in: 945f82bc user: drh tags: trunk)
15:53
Clarification and typo-fixes in comments. No changes to code. (check-in: e2cd79aa user: drh tags: trunk)