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perf: more optimize

This commit is contained in:
Hongze Cheng 2022-11-11 13:11:48 +08:00
parent 21dbe7206c
commit 5f97ea3ce1
1 changed files with 3 additions and 4 deletions
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7
source/dnode/vnode/src/tsdb/tsdbMemTable.c
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@ -458,11 +458,10 @@ static void tbDataMovePosTo(STbData *pTbData, SMemSkipListNode **pos, TSDBKEY *p
} }
static FORCE_INLINE int8_t tsdbMemSkipListRandLevel(SMemSkipList *pSl) { static FORCE_INLINE int8_t tsdbMemSkipListRandLevel(SMemSkipList *pSl) {
int8_t level = 1; int8_t level = 1;
int8_t tlevel = TMIN(pSl->maxLevel, pSl->level + 1); int8_t tlevel = TMIN(pSl->maxLevel, pSl->level + 1);
const uint32_t factor = 4;
while ((taosRandR(&pSl->seed) % factor) == 0 && level < tlevel) { while ((taosRandR(&pSl->seed) & 0x3) == 0 && level < tlevel) {
level++; level++;
} }