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Overview
| Comment: | Small size reduction and performance increase in sqlite3DbMallocSize(). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
8a80967f849eed002a701235ed7fb406 |
| User & Date: | drh 2015-09-01 20:09:33 |
Context
|
2015-09-01
| ||
| 22:29 | Performance improvement in sqlite3VarintLen(). (check-in: adf9fefb user: drh tags: trunk) | |
| 20:09 | Small size reduction and performance increase in sqlite3DbMallocSize(). (check-in: 8a80967f user: drh tags: trunk) | |
| 19:51 | Reduce the number of calls to sqlite3BeginBenignMalloc(). (check-in: 0bee6583 user: drh tags: trunk) | |
Changes
Changes to src/malloc.c.
452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 |
** sqlite3Malloc() or sqlite3_malloc().
*/
int sqlite3MallocSize(void *p){
assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
return sqlite3GlobalConfig.m.xSize(p);
}
int sqlite3DbMallocSize(sqlite3 *db, void *p){
if( db==0 ){
assert( sqlite3MemdebugNoType(p, (u8)~MEMTYPE_HEAP) );
assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
return sqlite3MallocSize(p);
}else{
assert( sqlite3_mutex_held(db->mutex) );
if( isLookaside(db, p) ){
return db->lookaside.sz;
}else{
assert( sqlite3MemdebugHasType(p, (MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) );
assert( sqlite3MemdebugNoType(p, (u8)~(MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) );
return sqlite3GlobalConfig.m.xSize(p);
}
}
}
sqlite3_uint64 sqlite3_msize(void *p){
assert( sqlite3MemdebugNoType(p, (u8)~MEMTYPE_HEAP) );
assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
return (sqlite3_uint64)sqlite3GlobalConfig.m.xSize(p);
}
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452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 |
** sqlite3Malloc() or sqlite3_malloc().
*/
int sqlite3MallocSize(void *p){
assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
return sqlite3GlobalConfig.m.xSize(p);
}
int sqlite3DbMallocSize(sqlite3 *db, void *p){
if( db==0 || !isLookaside(db,p) ){
#if SQLITE_DEBUG
if( db==0 ){
assert( sqlite3MemdebugNoType(p, (u8)~MEMTYPE_HEAP) );
assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
}else{
assert( sqlite3MemdebugHasType(p, (MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) );
assert( sqlite3MemdebugNoType(p, (u8)~(MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) );
}
#endif
return sqlite3GlobalConfig.m.xSize(p);
}else{
assert( sqlite3_mutex_held(db->mutex) );
return db->lookaside.sz;
}
}
sqlite3_uint64 sqlite3_msize(void *p){
assert( sqlite3MemdebugNoType(p, (u8)~MEMTYPE_HEAP) );
assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
return (sqlite3_uint64)sqlite3GlobalConfig.m.xSize(p);
}
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