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Another memory allocator performance optimization.

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FossilOrigin-Name: 6da6f46d0c43e3b68c21f514ddf8ee663c20f249
This commit is contained in:
drh
2014-08-23 19:42:06 +00:00
parent 3bdffddc41
commit b4586f1254
3 changed files with 16 additions and 8 deletions
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12
manifest
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@@ -1,5 +1,5 @@
C Fix\sa\svariable-declaration\safter\scode\sproblem\sin\sbtree.c.\s\sHarmless\sin\nGCC\sand\sCLANG\sbut\sunacceptable\sfor\sMSVC. C Another\smemory\sallocator\sperformance\soptimization.
D 2014-08-23T19:08:09.445 D 2014-08-23T19:42:06.737
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in 5eb79e334a5de69c87740edd56af6527dd219308 F Makefile.in 5eb79e334a5de69c87740edd56af6527dd219308
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -191,7 +191,7 @@ F src/legacy.c 87c92f4a08e2f70220e3b22a9c3b2482d36a134a
F src/lempar.c cdf0a000315332fc9b50b62f3b5e22e080a0952b F src/lempar.c cdf0a000315332fc9b50b62f3b5e22e080a0952b
F src/loadext.c 31c2122b7dd05a179049bbf163fd4839f181cbab F src/loadext.c 31c2122b7dd05a179049bbf163fd4839f181cbab
F src/main.c 900dd06e41d22795cbb23ab0240397f1e2901bf7 F src/main.c 900dd06e41d22795cbb23ab0240397f1e2901bf7
F src/malloc.c 7f26fcedc42b93bb49c4c12a77aa0d891182392e F src/malloc.c 06f8507831d04d2830237bf0c9f2fd04623f9868
F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645 F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
F src/mem1.c c0c990fcaddff810ea277b4fb5d9138603dd5d4b F src/mem1.c c0c990fcaddff810ea277b4fb5d9138603dd5d4b
F src/mem2.c dce31758da87ec2cfa52ba4c5df1aed6e07d8e8f F src/mem2.c dce31758da87ec2cfa52ba4c5df1aed6e07d8e8f
@@ -1188,7 +1188,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32 F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
P f83daa16f65ef35062412e88c214852a4aeb3da2 P 45abd5c0bad2847861f3b26a7040490aa9bb1332
R 964769625a1b08555f23e3f40e4e1b01 R 863f9a5c456ee79d86d610ec7db424be
U drh U drh
Z 8bbf37cac5a7f4ae4955d0f942660ce9 Z 2076d0986bc3817907a655695f4a8b4e

2
manifest.uuid
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@@ -1 +1 @@
45abd5c0bad2847861f3b26a7040490aa9bb1332 6da6f46d0c43e3b68c21f514ddf8ee663c20f249

10
src/malloc.c
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@@ -477,6 +477,14 @@ void sqlite3_free(void *p){
} }
} }
/*
** Add the size of memory allocation "p" to the count in
** *db->pnBytesFreed.
*/
static SQLITE_NOINLINE void measureAllocationSize(sqlite3 *db, void *p){
*db->pnBytesFreed += sqlite3DbMallocSize(db,p);
}
/* /*
** Free memory that might be associated with a particular database ** Free memory that might be associated with a particular database
** connection. ** connection.
@@ -486,7 +494,7 @@ void sqlite3DbFree(sqlite3 *db, void *p){
if( p==0 ) return; if( p==0 ) return;
if( db ){ if( db ){
if( db->pnBytesFreed ){ if( db->pnBytesFreed ){
*db->pnBytesFreed += sqlite3DbMallocSize(db, p); measureAllocationSize(db, p);
return; return;
} }
if( isLookaside(db, p) ){ if( isLookaside(db, p) ){