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optimize get numa node for single node systems

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This commit is contained in:
daan 2019-11-06 14:17:36 -08:00
parent 3d0a1e249f
commit 2887266063
1 changed files with 3 additions and 2 deletions
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5
src/os.c
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@ -1046,9 +1046,10 @@ int _mi_os_numa_node_count(void) {
int _mi_os_numa_node(mi_os_tld_t* tld) {
UNUSED(tld);
int numa_node = mi_os_numa_nodex();
// never more than the node count and >= 0
int numa_count = _mi_os_numa_node_count();
if (numa_count<=1) return 0; // optimize on single numa node systems: always node 0
// never more than the node count and >= 0
int numa_node = mi_os_numa_nodex();
if (numa_node >= numa_count) { numa_node = numa_node % numa_count; }
if (numa_node < 0) numa_node = 0;
return numa_node;