ISAR/libmdbx
3
0
Fork 0
mirror of https://github.com/isar/libmdbx.git synced 2025-10-24 00:28:56 +08:00
Code Issues Packages Projects Releases Wiki Activity

mdbx: some micro-optimizations.

Browse Source
This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
2022-08-07 12:10:36 +03:00
parent d8f0c9dc44
commit 096d6a9bd6
2 changed files with 26 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/osal.c
View File

@@ -2034,10 +2034,10 @@ mdbx_osal_16dot16_to_monotime(uint32_t seconds_16dot16) {
MDBX_INTERNAL_FUNC uint32_t mdbx_osal_monotime_to_16dot16(uint64_t monotime) {
static uint64_t limit;
if (unlikely(monotime > limit)) {
if (limit != 0)
if (likely(limit != 0))
return UINT32_MAX;
limit = mdbx_osal_16dot16_to_monotime(UINT32_MAX - 1);
if (monotime > limit)
if (unlikely(monotime > limit))
return UINT32_MAX;
}
const uint32_t ret =
@@ -2048,7 +2048,9 @@ MDBX_INTERNAL_FUNC uint32_t mdbx_osal_monotime_to_16dot16(uint64_t monotime) {
#else
(uint32_t)(monotime * 128 / 1953125);
#endif
return likely(ret || monotime == 0) ? ret : /* fix underflow */ 1;
if (likely(ret > 0))
return ret;
return monotime > 0 /* fix underflow */;
}
MDBX_INTERNAL_FUNC uint64_t mdbx_osal_monotime(void) {
@@ -2091,7 +2093,7 @@ static void bootid_shake(bin128_t *p) {
p->d = e + p->a;
}
static void bootid_collect(bin128_t *p, const void *s, size_t n) {
__cold static void bootid_collect(bin128_t *p, const void *s, size_t n) {
p->y += UINT64_C(64526882297375213);
bootid_shake(p);
for (size_t i = 0; i < n; ++i) {