ISAR/libmdbx
3
0
Fork 0
mirror of https://github.com/isar/libmdbx.git synced 2025-10-31 03:29:01 +08:00
Code Issues Packages Projects Releases Wiki Activity

mdbx: mdbx_node_search() micro-optimization.

Browse Source 
Change-Id: I48064ca284aa89b16e418afdc20d09c5dd6e5cba
This commit is contained in:
Leonid Yuriev
2021-03-19 00:17:14 +03:00
parent dcb806302f
commit b3798a9116
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/core.c
View File

@@ -12454,7 +12454,8 @@ static MDBX_node *__hot mdbx_node_search(MDBX_cursor *mc, const MDBX_val *key,
IS_LEAF(mp) ? "leaf" : "branch", IS_SUBP(mp) ? "sub-" : "",
mp->mp_pgno);
int low = IS_LEAF(mp) ? 0 : 1;
STATIC_ASSERT(P_BRANCH == 1);
int low = mp->mp_flags & P_BRANCH;
int high = nkeys - 1;
*exactp = false;
if (unlikely(high < low)) {