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Overview
Comment: | Fix the version number of Ubuntu. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
c9e67374a145f5c1e2b54ace0245ae62 |
User & Date: | drh 2014-09-05 12:50:40.848 |
Context
2014-09-08
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12:09 | Add the OpenDocument as SQLite case study. (check-in: 2c57c78315 user: drh tags: trunk) | |
2014-09-05
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12:50 | Fix the version number of Ubuntu. (check-in: c9e67374a1 user: drh tags: trunk) | |
2014-09-01
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18:31 | Further tweaks to the change log for 3.8.7. (check-in: e3957c53b1 user: drh tags: trunk) | |
Changes
Changes to pages/changes.in.
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20 21 22 23 24 25 26 | chng {2014-11-?? (3.8.7)} { <p><b>Performance Enhancements:</b> <li>Dozens of micro-optimizations result in 6.7% fewer CPU cycles needed to do the same amount work. (Measured using [http://valgrind.org/docs/manual/cg-manual.html|cachegrind] on the [http://www.sqlite.org/src/artifact/83f6b3318f7ee|speedtest1.c] workload on | | | 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | chng {2014-11-?? (3.8.7)} { <p><b>Performance Enhancements:</b> <li>Dozens of micro-optimizations result in 6.7% fewer CPU cycles needed to do the same amount work. (Measured using [http://valgrind.org/docs/manual/cg-manual.html|cachegrind] on the [http://www.sqlite.org/src/artifact/83f6b3318f7ee|speedtest1.c] workload on Ubuntu 13.10 x64 with gcc 4.8.1 and -Os. Your performance may vary.) <li>Provide the ability for the sorter to start and use auxiliary helper threads in order to increase real-time response. This feature is off by default and may be enabled using the [PRAGMA threads] command or the [SQLITE_DEFAULT_WORKER_THREADS] compile-time option. <li>Enhance the [skip-scan] optimization so that it is able to skip index terms that occur in the middle of the index, not just as the left-hand side of the index. <li>The query planner is now able to do a better job of understanding constants that |
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