From 5f97ea3ce1d8e48f4fbcc319693539745a602d65 Mon Sep 17 00:00:00 2001 From: Hongze Cheng Date: Fri, 11 Nov 2022 13:11:48 +0800 Subject: [PATCH] perf: more optimize --- source/dnode/vnode/src/tsdb/tsdbMemTable.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/source/dnode/vnode/src/tsdb/tsdbMemTable.c b/source/dnode/vnode/src/tsdb/tsdbMemTable.c index fed02b9d99..654afe1b6a 100644 --- a/source/dnode/vnode/src/tsdb/tsdbMemTable.c +++ b/source/dnode/vnode/src/tsdb/tsdbMemTable.c @@ -458,11 +458,10 @@ static void tbDataMovePosTo(STbData *pTbData, SMemSkipListNode **pos, TSDBKEY *p } static FORCE_INLINE int8_t tsdbMemSkipListRandLevel(SMemSkipList *pSl) { - int8_t level = 1; - int8_t tlevel = TMIN(pSl->maxLevel, pSl->level + 1); - const uint32_t factor = 4; + int8_t level = 1; + int8_t tlevel = TMIN(pSl->maxLevel, pSl->level + 1); - while ((taosRandR(&pSl->seed) % factor) == 0 && level < tlevel) { + while ((taosRandR(&pSl->seed) & 0x3) == 0 && level < tlevel) { level++; }