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[OpenMP] Add memory allocation using hwloc #132843

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Merged
merged 3 commits into from
Apr 2, 2025
Merged

[OpenMP] Add memory allocation using hwloc #132843

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f80b1cc
[OpenMP] Add memory allocation using hwloc
nawrinsu Mar 24, 2025
e90eb18
[OpenMP] Added hwloc API version check
nawrinsu Apr 1, 2025
41c4b57
[OpenMP] Fix hwloc version
nawrinsu Apr 1, 2025
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4 changes: 4 additions & 0 deletions openmp/runtime/src/kmp.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1107,6 +1107,7 @@ extern omp_allocator_handle_t __kmp_def_allocator;
#endif

extern int __kmp_memkind_available;
extern bool __kmp_hwloc_available;

typedef omp_memspace_handle_t kmp_memspace_t; // placeholder

Expand All @@ -1119,6 +1120,9 @@ typedef struct kmp_allocator_t {
kmp_uint64 pool_size;
kmp_uint64 pool_used;
bool pinned;
#if KMP_USE_HWLOC
omp_alloctrait_value_t membind;
#endif
} kmp_allocator_t;

extern omp_allocator_handle_t __kmpc_init_allocator(int gtid,
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1 change: 1 addition & 0 deletions openmp/runtime/src/kmp_affinity.cpp
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Expand Up @@ -1444,6 +1444,7 @@ void KMPAffinity::pick_api() {
if (__kmp_affinity_top_method == affinity_top_method_hwloc &&
__kmp_affinity.type != affinity_disabled) {
affinity_dispatch = new KMPHwlocAffinity();
__kmp_hwloc_available = true;
} else
#endif
{
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