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Small performance improvement and size reduction in btree.

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FossilOrigin-Name: daa07149c0a0fcb6a6a1ace6020ca68802588ed309f5aaaf99c871088bc46908
This commit is contained in:
drh 2022-11-19 18:17:40 +00:00
parent 8d0d409876
commit 47de1f9e19
3 changed files with 14 additions and 12 deletions
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16
manifest
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@ -1,5 +1,5 @@
C Get\stester1.js\sworking\svia\san\sES6\sworker\smodule\sand\sadd\sthat\svariant\sto\sthe\sdist\szipfile.
D 2022-11-19T16:16:40.998
C Small\sperformance\simprovement\sand\ssize\sreduction\sin\sbtree.
D 2022-11-19T18:17:40.978
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -551,7 +551,7 @@ F ext/wasm/test-opfs-vfs.html 1f2d672f3f3fce810dfd48a8d56914aba22e45c6834e262555
F ext/wasm/test-opfs-vfs.js 44363db07b2a20e73b0eb1808de4400ca71b703af718d0fa6d962f15e73bf2ac
F ext/wasm/tester1-esm.html 821c7a38b4eb753f6f3d7b5cbfda5b36f85466763977f96bff8372621b6b9eb2
F ext/wasm/tester1-worker.html 84d56db05bcea2b294a89ca13c21b76fa0521ca4ac240f0055f1819934c713fc
F ext/wasm/tester1.c-pp.js f4b96977a48cdfc13d477ede6d2f754865e9bcd1a23ce09359c31de41b24ba0d w ext/wasm/tester1.js
F ext/wasm/tester1.c-pp.js f4b96977a48cdfc13d477ede6d2f754865e9bcd1a23ce09359c31de41b24ba0d
F ext/wasm/tester1.html 624ec41cd9f78a1f2b6d7df70aaa7a6394396b1f2455ecbd6de5775c1275b121
F ext/wasm/version-info.c 3b36468a90faf1bbd59c65fd0eb66522d9f941eedd364fabccd72273503ae7d5
F ext/wasm/wasmfs.make 8aa7565f9de8dd3c291ad8c3ceb1a2c67a3eb31a8e531070b25c6c6b1f0278bf
@ -578,7 +578,7 @@ F src/auth.c f4fa91b6a90bbc8e0d0f738aa284551739c9543a367071f55574681e0f24f8cf
F src/backup.c a2891172438e385fdbe97c11c9745676bec54f518d4447090af97189fd8e52d7
F src/bitvec.c 7c849aac407230278445cb069bebc5f89bf2ddd87c5ed9459b070a9175707b3d
F src/btmutex.c 6ffb0a22c19e2f9110be0964d0731d2ef1c67b5f7fabfbaeb7b9dabc4b7740ca
F src/btree.c c98cf491cbb8aa930bc9deb2cf794d2a32005c97c9cde01b7b8a10ef7c3d8451
F src/btree.c 80f29390eedbdac7f0fd3312df1a2df5ecd3c5b55c5e22dab4fc3fc52d5584dd
F src/btree.h 4fcbb0b041013071dd5e9f53c538d49916c092e6ad8842185985e5270a0792de
F src/btreeInt.h 8ce1332edd89dfd2461d561ac10a0ab5601c8e06200cb5230596c3caaf54482e
F src/build.c d3e43e950e4e377c1d451a4862556792acdef1faba14a03f899d30d09731c48b
@ -2057,8 +2057,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
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P 0c2adc6d3547b07e950ae49f07f688f71a21b3ad5a51f16f0e8d49ab91564582
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R 66ae91579f9086a7ec56fccf1b9beb6e
U drh
Z c7f53017341eeb656837188f25a22942
# Remove this line to create a well-formed Fossil manifest.

2
manifest.uuid
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@ -1 +1 @@
90480586f1b2ad82118e19536b095431b8457f294c0afaa9b4f883f184cc804c
daa07149c0a0fcb6a6a1ace6020ca68802588ed309f5aaaf99c871088bc46908

8
src/btree.c
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@ -7239,14 +7239,16 @@ struct CellArray {
** computed.
*/
static void populateCellCache(CellArray *p, int idx, int N){
MemPage *pRef = p->pRef;
u16 *szCell = p->szCell;
assert( idx>=0 && idx+N<=p->nCell );
while( N>0 ){
assert( p->apCell[idx]!=0 );
if( p->szCell[idx]==0 ){
p->szCell[idx] = p->pRef->xCellSize(p->pRef, p->apCell[idx]);
if( szCell[idx]==0 ){
szCell[idx] = pRef->xCellSize(pRef, p->apCell[idx]);
}else{
assert( CORRUPT_DB ||
p->szCell[idx]==p->pRef->xCellSize(p->pRef, p->apCell[idx]) );
szCell[idx]==pRef->xCellSize(pRef, p->apCell[idx]) );
}
idx++;
N--;