mirrors/sqlite
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

The putVarint32() macro does not optimize well. So expand it into in-line

Browse Source 
code in places were performance is an issue.

FossilOrigin-Name: 390c239e53cf936a97b268dce8171f0b17050542ae64735ca8ef375fec2c9544
This commit is contained in:
drh 2022-04-01 21:01:37 +00:00
parent 759e507ce5
commit b47b1f67dc
4 changed files with 23 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
manifest
View File

@ -1,5 +1,5 @@
C Loop\soptimization\sin\sthe\sOP_MakeRecord\sopcode.
D 2022-04-01T20:39:40.291
C The\sputVarint32()\smacro\sdoes\snot\soptimize\swell.\s\sSo\sexpand\sit\sinto\sin-line\ncode\sin\splaces\swere\sperformance\sis\san\sissue.
D 2022-04-01T21:01:37.702
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -492,7 +492,7 @@ F src/auth.c f4fa91b6a90bbc8e0d0f738aa284551739c9543a367071f55574681e0f24f8cf
F src/backup.c a2891172438e385fdbe97c11c9745676bec54f518d4447090af97189fd8e52d7
F src/bitvec.c 7c849aac407230278445cb069bebc5f89bf2ddd87c5ed9459b070a9175707b3d
F src/btmutex.c 8acc2f464ee76324bf13310df5692a262b801808984c1b79defb2503bbafadb6
F src/btree.c d705859e23fbd7b3c6cd5874f973b5c4fa083eab861398aac95bea7de9a7ed07
F src/btree.c 45161c2d5c9527b9c9bbfd7478daf3e0a619cf4bbe3278378aaea3d4b4e4f5b5
F src/btree.h 74d64b8f28cfa4a894d14d4ed64fa432cd697b98b61708d4351482ae15913e22
F src/btreeInt.h 8ce1332edd89dfd2461d561ac10a0ab5601c8e06200cb5230596c3caaf54482e
F src/build.c 4a265d49342cefc95ae739982a6197eae04a9258151f8e0bbe3ff8ab56aab801
@ -624,7 +624,7 @@ F src/upsert.c 8789047a8f0a601ea42fa0256d1ba3190c13746b6ba940fe2d25643a7e991937
F src/utf.c ee39565f0843775cc2c81135751ddd93eceb91a673ea2c57f61c76f288b041a0
F src/util.c 602fe229f32a96ceccae4f40824129669582096f7c355f53dbac156c9fecef23
F src/vacuum.c 6c38ddc52f0619865c91dae9c441d4d48bf3040d7dc1bc5b22da1e45547ed0b3
F src/vdbe.c 0e54be9acfe26e68b94d946cbaf0c8dfe94435e8a506f22ad5550ae4db1d7a0c
F src/vdbe.c ced0c7b4b872bd30b25f40be70c0ecae095b1dafd9510912ed24369b7efef335
F src/vdbe.h a1d0e3b934e835e73edd146f2e7c4eadb711b5c9875c18159a57483fd78e550e
F src/vdbeInt.h 22babf1e585ae7e5c49f2e6442969b88f07bdcc3d154164346d25ef4efa3ebf3
F src/vdbeapi.c 5c498998c99667f16cac2519f2fa439fe46acf99a332b0caa73637fc2ab35c22
@ -1945,8 +1945,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 8a07745aed1d0a4eead55d43f1923597b12371f307ecf5bc19c5a1db9a107a50
R 8f846dfb58734bb88c205139ba75a9df
P 47a61fbd63928021098fbe492283f1afda7c293b3b2706c001192ae4ff1b2cbe
R ade274038cb2118d099723f504530cb1
U drh
Z 0a0d680f496f86b11293db3c46b2ee9c
Z 4ae04a2d928465896e499e8a40353d10
# Remove this line to create a well-formed Fossil manifest.

2
manifest.uuid
View File

@ -1 +1 @@
47a61fbd63928021098fbe492283f1afda7c293b3b2706c001192ae4ff1b2cbe
390c239e53cf936a97b268dce8171f0b17050542ae64735ca8ef375fec2c9544

6
src/btree.c
View File

@ -9314,7 +9314,11 @@ int sqlite3BtreeTransferRow(BtCursor *pDest, BtCursor *pSrc, i64 iKey){
u32 nRem; /* Bytes of data still to copy */
getCellInfo(pSrc);
aOut += putVarint32(aOut, pSrc->info.nPayload);
if( pSrc->info.nPayload<0x80 ){
*(aOut++) = pSrc->info.nPayload;
}else{
aOut += sqlite3PutVarint(aOut, pSrc->info.nPayload);
}
if( pDest->pKeyInfo==0 ) aOut += putVarint(aOut, iKey);
nIn = pSrc->info.nLocal;
aIn = pSrc->info.pPayload;

12
src/vdbe.c
View File

@ -3374,14 +3374,22 @@ case OP_MakeRecord: {
zPayload = zHdr + nHdr;
/* Write the record */
zHdr += putVarint32(zHdr, nHdr);
if( nHdr<0x80 ){
*(zHdr++) = nHdr;
}else{
zHdr += sqlite3PutVarint(zHdr,nHdr);
}
assert( pData0<=pLast );
pRec = pData0;
while( 1 /*exit-by-break*/ ){
serial_type = pRec->uTemp;
/* EVIDENCE-OF: R-06529-47362 Following the size varint are one or more
** additional varints, one per column. */
zHdr += putVarint32(zHdr, serial_type); /* serial type */
if( serial_type<0x80 ){
*(zHdr++) = serial_type;
}else{
zHdr += sqlite3PutVarint(zHdr, serial_type);
}
/* EVIDENCE-OF: R-64536-51728 The values for each column in the record
** immediately follow the header. */
zPayload += sqlite3VdbeSerialPut(zPayload, pRec, serial_type); /* content */