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427e007 Use AtomicRead() and AtomicWrite() to access the pcache1_g.bUnderPressure by drh · 5 months ago
ef86b94 Code changes that make it easier to prove that no 32-bit integer overflows by drh · 5 months ago
a592883 Add extra assert() statements to the fixes on this branch. by dan · 1 year ago alignment-fixes
7acf972 Fixes for platforms with 32-bit pointers that require 64-bit values to be aligned. by dan · 1 year ago
bc91738 Add a C-source spell-checking facility. make misspell (on Nix) by larrybr · 2 years, 1 month ago
b53e099 Enhance an assert() to impose for tighter constraints on the operation of pcache. by drh · 2 years, 11 months ago
8c983dd An improved technique for ensuring that the Rekey() operation does not by drh · 2 years, 11 months ago
4e9bf5a Enhance the pcache1 implementation so that during an xRekey operation if by drh · 2 years, 11 months ago
9c3a114 Enhance the b-tree page sorting code to ensure that sqlite3PagerRekey() never by drh · 2 years, 11 months ago
78d15f0 Improved comments in pcache1.c. No changes to code. by drh · 2 years, 11 months ago
c8e9f68 Omit the (undocumented) SQLITE_PCACHE_SEPARATE_HEADER compile-time option. by drh · 3 years ago
f9d349a Fix a compiler warning in pcache1. Reduce the maximum size of a pcache1 by drh · 4 years ago
8a72882 Ensure that the pcache1 cache size does not get so big that it overflows by drh · 4 years ago
1e06c70 Initialize extra field in PgHdr1 to fix an msan complaint. by dan · 4 years, 5 months ago
0f1fa5d Patch to the page cache to avoid harmless pointer arithmetic that due to bugs by drh · 6 years ago
55f66b3 Add new assert() statements in an attempt to help static analyzers avoid by drh · 6 years ago
a082cd7 Fix a race condition that could occur in SQLITE_ENABLE_MEMORY_MANAGEMENT builds when two threads simultaneously open the first two database connections in the process. by dan · 6 years ago
d4de9f7 Fix an obsolete comment and other minor issues from code inspection. by drh · 6 years ago
e385d33 Ensure all bytes of the PgHdr1 structure are initialized. This avoids a valgrind error when running corruptI.test. by dan · 6 years ago
1757fed Adjustments to the page cache to try to avoid harmless TSAN warnings. by drh · 7 years ago
d7a5e49 Back out the expansion of the temporary buffer size from by drh · 7 years ago
d6401e8 Expand the size of the temporary page used during btree rebalancing by a by drh · 7 years ago
de72d2a Remove two lines of unnecessary code, for a very small performance increase by drh · 7 years ago
26505e5 Follow-up to [0bf0fd242b93c3bd30]: only reset the pager when adding a by drh · 7 years ago
617b7b4 Small performance optimization in pcache1. by drh · 8 years ago
52df6f5 Avoid unnecessary mutexes in the pcache1 implementation in the common case by drh · 8 years ago
eabb67f Microoptimization in pcache1.c makes the code slightly smaller and faster. by drh · 8 years ago
4eb8d7f Slightly smaller and faster implementation of pcache1InitBulk(). by drh · 8 years ago
bf96228 Fix the sqlite3_release_memory() interface so that it works even if by drh · 8 years ago
989412a Take care to avoid integer overflow when doing the initial page cache by drh · 9 years ago
f5dbe7f Tweaks to pcache1TruncateUnsafe() to make it slightly smaller and faster and by drh · 9 years ago
d9fabbc Fix pcache1TruncateUnsafe() run faster for the case where iLimit is by drh · 9 years ago
97a7e5e The pcache and the built-in VFSes should not use mutexes when by drh · 9 years ago
9493caf Fix harmless compiler warnings that arise with -DSQLITE_OMIT_LOAD_EXTENSION by drh · 9 years ago
8b0ba7b Make greater use of the SQLITE_WITHIN macro. by drh · 10 years ago
a6082f6 The first argument to SQLITE_CONFIG_PAGECACHE, SQLITE_CONFIG_SCRATCH, and by drh · 10 years ago
b02392e Change sqlite3StatusSet() into sqlite3StatusHighwater() so that only the by drh · 10 years ago
8faee87 Fix compiler warnings. by drh · 10 years ago
0b19c96 Fix a potential NULL pointer deref in the testing logic of pcache1. by drh · 10 years ago
8820250 Fix a possible NULL pointer deref when using SQLITE_ENABLE_MEMORY_MANAGEMENT. by drh · 10 years ago
92af02c Simplification of the LRU list handling in pcache1. by drh · 10 years ago
95a0b37 Change the pcache module to keep track of the total number of references to by drh · 10 years ago
3c0c431 Reduce the number of calls to sqlite3BeginBenignMalloc(). by drh · 10 years ago
0dfbe06 Fix typo in comment. No changes to code. by drh · 10 years ago
939d4bc Fix harmless compiler warnings. by drh · 10 years ago
957026a Defer the bulk pcache1 memory allocation until the first page allocation by drh · 10 years ago
7b341e6 Comment fix. No changes to code. by drh · 10 years ago pcache-bulk-local
52d9f40 Do not do the bulk pcache1 allocations if SQLITE_CONFIG_PAGECACHE specifies by drh · 10 years ago
fd5ae96 No need to test sqlite3GlobalConfig.bCoreMutex when SQLITE_THREADSAFE==0. by drh · 10 years ago
c54357c Simplify the page recycling condition in pcache1. Fix test cases to work by drh · 10 years ago
db7ae89 A unified cache is now only used for SQLITE_ENABLE_MEMORY_MANAGEMENT, or if by drh · 10 years ago
ee70a84 Enhance separate pcache1 to allocate a block of pages from heap on startup, by drh · 10 years ago
01c5c00 Preserve the number of requested PAGECACHE pages even if the memory pointer by drh · 10 years ago
95c91e1 Use tail recursion in pcache1Unpin() to get a small size reduction and by drh · 10 years ago
f5ed7ad Fix harmless compiler warnings. by drh · 10 years ago
982215a Avoid unnecessary mutex usage in pcache1, for a significant speedup. by drh · 10 years ago faster-pcache1-fetch
55a46c9 Add a fast-path implementation of pcache1Fetch() for the common case of by drh · 10 years ago
b230a52 Minor performance optimization in pcache1.c. by drh · 10 years ago
af89fe6 Add the sqlite3_status64() interface. Make the new interface and the legacy by drh · 10 years ago
51dc84e Make SQLITE_CONFIG_PCACHE_HDRSZ accurate (not an over-estimate) on 32-bit by drh · 11 years ago
37c057b Round all object sizes that go into computing SQLITE_CONFIG_PCACHE_HDRSZ up by drh · 11 years ago
def6889 Add the SQLITE_CONFIG_PCACHE_HDRSZ option for sqlite3_config(). by drh · 11 years ago
5bd8af7 Fix a failing test case in index5.test. Also tweak the way cache memory is divided between read-only and dirty pages when using SQLITE_CONFIG_PAGECACHE to reduce IO in some cases. by dan · 11 years ago
60ec914 Fix typos in comments. No code changes. by peter.d.reid · 11 years ago
efbf044 Faster implementation of pcache1Fetch() by drh · 11 years ago
693e671 Fixes for various clang warnings. by drh · 11 years ago
5d56dd2 Enhance the pcache1PinPage() routine so that it called much less often and by drh · 12 years ago
2907030 Add some extra assert() statements to silence a few clang warnings. by dan · 12 years ago
f7b5496 Many small harmless comment changes. Removal of obsolete comments and by drh · 12 years ago
6809c96 Replace a few sqlite3_malloc()+memset() sequences with calls to sqlite3MallocZero(). by dan · 13 years ago
4bd6952 Provide an (undocumented) compile-time option to disable the page cache by drh · 13 years ago
2cbd78b Reduce the size of the MemPage object by about 32 bytes. Other structure by drh · 13 years ago
45d2930 Fix typos in commands. Combine the ExpandBlob and expandBlob macros into one. by drh · 14 years ago
a69085c Change page quantities in pcache1.c to unsigned. by drh · 14 years ago
09419b4 Add the sqlite3_db_release_memory() interface and the shrink_memory pragma. by drh · 14 years ago
81ef0f9 Add a version number to the sqlite3_pcache_methods2 object. Other PCACHE2 by drh · 14 years ago experimental-pcache
e73c914 Minor changes needed to restore full branch test coverage. by drh · 14 years ago
e5c40b1 Update the API documentation for the new pcache2 interface. Change the by drh · 14 years ago
22e21ff Experimental change to the pcache interface to allow page buffers to be allocated separately from their associated container structures. by dan · 14 years ago
b5126dd Remove the SQLITE_PAGECACHE_BLOCKALLOC compilation option. by dan · 14 years ago
8115d5f Simplifications to the SQLITE_PAGECACHE_BLOCKALLOC logic. Reduce the number by drh · 14 years ago
1b53d7d Ifdef out routines in pcache1.c that are used only by drh · 14 years ago
d292570 Experimental change: If SQLITE_PAGECACHE_BLOCKALLOC is defined, instead of allocating pages one at a time, allocate blocks of between 15 and 63 pages in a single allocation. by dan · 14 years ago
9dde7cb Fix a line in pcache1.c where a global data structure is accessed without using the GLOBAL() macro. This causes a subtle malfunction on test systems that use SQLITE_OMIT_WSD. by dan · 14 years ago
15ad92f More mutexes around another sqlite3StatusAdd() call. by drh · 14 years ago
9bf3da8e Add a mutex around an sqlite3StatusAdd() call to prevent the pagecount by drh · 14 years ago
25ca568 Rename the PCache1.mxPinned field to n90pct (since it is 90% of nMax) in order by drh · 14 years ago
1e4040a Fix new compiler warnings in pcache1.c that were introduced by the recent by drh · 14 years ago
41692e9 Shave a few cycles so that performance is better than 3.7.4 in speed tests. by drh · 14 years ago
3a5676c Comment improvements in pcache1.c. No changes to code. by drh · 15 years ago
40f9837 Do not use SQLITE_MUTEX_STATIC_MEM2 since it has been reused as STATIC_OPEN. by drh · 15 years ago
9f8cf9d Here is a completely new implementation of the mutex-free-pcache. This by drh · 15 years ago
94e7bd5 Fix comments, including some documentation comments, in the page cache by drh · 15 years ago
b51d2fa Further tests and changes to make the r-tree module more robust. by dan · 15 years ago
bd2aaf9 Fix some compiler warnings under MSVC. by shaneh · 15 years ago
50d1b5f Remove unnecessary code from malloc.c. Enhance pcache1.c so that is tries by drh · 15 years ago
9d13f11 Comment enhancements and typo fixes in pcache1.c. by drh · 15 years ago
c8f503a Fix the sqlite3_release_memory() interface so that it does not attempt by drh · 15 years ago
29dfbe3 Record the pcache allocation size statistics even for pcache overflow by drh · 15 years ago
558814f Add some 'const' markers to static data that is really constant. by dan · 15 years ago