eee8687a9f
Fix harmless compiler warning about signed/unsigned comparison.
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2023-07-21 15:07:56 +00:00
7a2280fe65
Multiple optimizations that try to preserve or infer the zero-terminated
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property of TEXT values. Avoid unnecessary copying of text values destined
to become function parameters. All changes help improve performance of
doing UPDATEs on large JSON values that are indexed multiple ways.
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2023-07-21 15:01:53 +00:00
f9bfc32b73
Performance enhancements to the JSON parser and code generator.
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2023-07-19 23:02:45 +00:00
93b3c1f398
Revise the new JSON parser performance test to make the test run 25 times
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longer, and thus provide a more repeatable number.
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2023-07-19 20:23:34 +00:00
5e4d77fa88
Describe JSON parser performance testing procedure in test/json/README.md
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2023-07-19 19:23:30 +00:00
50834d8b74
Further improvement to JSON parser performance.
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2023-07-19 17:24:36 +00:00
8376ae7295
Further performance enhancements to JSON parsing and rendering. Total
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performance gain for large JSONs so far on this branch is about 11%.
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2023-07-19 15:06:29 +00:00
7a816e771a
Performance optimization for parsing large JSONs that contain lots of text.
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2023-07-19 13:50:31 +00:00
37fd50df1f
Two minor improvements to sum(), one of which was inspired by
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[forum:/forumpost/af5be98dbc|forum post af5be98dbc].
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2023-07-19 09:52:10 +00:00
9246c85b61
Do not use the [/info/609fbb94b8f01d67|viewscan optimization] on a query
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that has only a single loop, as the cost adjustments can cause problems
for outer queries. Proposed fix for the performance regression reported by
[forum:/forumpost/64d36440e473516c|forum post 64d36440e473516c].
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2023-07-18 21:06:19 +00:00
6a9be2cbc7
Improved ".wheretrace" for the VIEWSCAN optimization.
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2023-07-18 20:41:09 +00:00
a5b1f34125
Fix memory leak in fts5 introduced by [def41225].
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2023-07-18 16:29:34 +00:00
263a8e8c0a
Fix a buffer overrun in fts5 that could occur in 'secure-delete' mode when dealing with corrupt database records.
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FossilOrigin-Name: def41225b2f10b0294ab506f28bc87873688d4030f7056839298ff18e058ece5
2023-07-18 13:55:19 +00:00
a02d6d8237
Minor internal cleanups in the OPFS VFS.
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2023-07-14 21:06:00 +00:00
8ba619b5f5
Minor wasm build cleanups.
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2023-07-14 12:21:05 +00:00
f4449dc0ba
Reintroduce WASMFS+OPFS support, albeit as a separate (less portable) WASM build.
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2023-07-13 18:35:48 +00:00
d655290c99
Minor cleanups related to reintroducing wasmfs support.
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2023-07-13 18:13:52 +00:00
bb9549e0be
More work on the wasmfs build and its test apps.
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2023-07-13 17:27:05 +00:00
d51cefd1bb
Get speedtest1 wasmfs variant running again.
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2023-07-13 16:33:45 +00:00
bc6d949aa3
Fix an off-by-one error in tests for cells overflowing the end pages. The
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error is completely harmless for the default page cache, but might cause
problems for application-defined page caches that pack pages tightly
together.
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2023-07-13 14:49:39 +00:00
cc336321f8
Significant surgery on the wasm build on the way to incorporating wasmfs as a first-class build option.
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FossilOrigin-Name: 215c37fce38cf647e073480689b79d952af7eb8165ae08c7f5caed27003fecfc
2023-07-13 14:08:30 +00:00
d41d454fc1
More work on the wasmfs build. Resolve the inconsistent argument type passed to sqlite3InitModule() in such builds.
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2023-07-13 10:41:41 +00:00
0f0e5700ba
Minor cleanups in the wasmfs build.
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2023-07-13 04:54:18 +00:00
01bdff7a1c
Get wasmfs build and its bare-bones test app working again, albeit currently in ES6 mode only.
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2023-07-13 04:26:13 +00:00
81602595a0
Replace 'self' with 'globalThis' in some JS test code.
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2023-07-13 03:46:43 +00:00
5da49ff562
JS: change the default OPFS VFS journal mode from PERSIST to DELETE, as DELETE is faster in current browsers.
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2023-07-13 01:51:16 +00:00
a5512fb179
Remove obsolete ext/wasm/api/sqlite3-wasi.h.
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2023-07-13 01:48:53 +00:00
b3b64179df
Internal JS doc fix.
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2023-07-12 09:30:13 +00:00
a17b04f840
Correct handling of the speedtest1 --without-rowid flag in the HTML front-end to speedtest1.wasm. Reduce default speedtest1-with-OPFS workload size in ext/wasm/index.html to speed up manual testing.
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2023-07-12 09:16:18 +00:00
8a1104940d
Reduce divergence between branches: trunk and wal-shm-exceptions.
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FossilOrigin-Name: d38ed6b1fc6b572997d520c36f256c11404fb1bd5f28acab07466bfc96554a8f
2023-07-11 19:54:17 +00:00
4c40b7b819
Always use the "LL" suffix on 64-bit integer literals.
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2023-07-08 17:42:24 +00:00
bc532ae15f
Fix harmless scan-build warnings.
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2023-07-08 14:27:55 +00:00
50ba4e3efd
Omit the use of memmove() in sqlite3FpDecode() in an attempt to avoid
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spurious warnings from valgrind. Also makes the code slightly smaller and
faster.
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2023-07-07 18:49:08 +00:00
afef7fc136
For the "Valgrind" test scenario, set LONGDOUBLE_TYPE=double as valgrind
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does not correctly emulated extended precision on x64.
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2023-07-07 12:18:26 +00:00
bae91082dd
Add option 2 to SQLITE_TESTCTRL_USELONGDOUBLE to move the setting to its
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defaults. Enhance the CLI and testfixture to make use of this value.
Base the default on sizeof(LONGDOUBLE_TYPE) rather than on sizeof(long double).
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2023-07-07 12:08:22 +00:00
7d0103bb06
Improved handling of integer inputs to the new sum() implementation.
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2023-07-06 20:34:06 +00:00
68c88ea04f
A more precise implementation of sqlite3RealToI64().
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2023-07-06 18:29:15 +00:00
3e1e7aad3d
Fix octet_length() test cases so that they work when the database encoding
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is utf16.
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2023-07-06 17:14:47 +00:00
59f13119cf
Use the Kahan-Babushka-Neumaier algorithm to improve the accuracy of sum().
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2023-07-06 15:44:38 +00:00
26cd8bc1af
Fix minor inaccuracies in the new sum() algorithm.
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2023-07-06 14:45:53 +00:00
45d7562843
Experimental attempt to boost the accuracy of sum() using the
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Kahan-Babuska-Neumaier algorithm.
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2023-07-06 13:19:10 +00:00
3748b7329f
Use "volatile" isntead of "#pragma" to get floating point calculations
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working correctly when compiling with GCC for x86 machines.
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2023-07-06 00:55:06 +00:00
efd0cf87df
This is alternative work-around for the x86 float-point problem that uses
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"volatile" rather than compile-specific #pragmas.
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2023-07-05 22:05:18 +00:00
728650ecb3
Improved comments on the work-around to the GCC x86 floating point wonkiness.
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2023-07-05 19:56:14 +00:00
e68899f1e4
Work around for an apparent GCC bug. See
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[forum:/info/ee7278611394034c|forum post ee7278611394034c] for details.
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2023-07-05 18:59:52 +00:00
85ca6d7ace
Make the order of operations explicit for the error term of Dekker
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double-precision multiply.
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2023-07-05 15:34:30 +00:00
1790ccb98b
Simplification of the dekkerMul2() subroutine.
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2023-07-05 14:42:50 +00:00
6aa5a42beb
Add the ieee754_inc(r,N) function to the ieee754.c extension.
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2023-07-05 12:00:32 +00:00
7623795018
Enhance the sqlite3AtoF() function so that it can operate with or without
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long double and provides accurate results in both cases.
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2023-07-03 18:32:29 +00:00
aa4356da68
Enhance sqlite3AtoF() so that it honors the USELONGDOUBLE test-control.
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Enable the test/atof1.test module on non-intel platforms.
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2023-07-03 18:18:35 +00:00
drh