Add environment variable 'ARCANE_CUDA_MEMORY_HINT_ON_DEVICE' to automatically call 'cudaMemAdvise' on allocated unified memory #1833
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…on de 'cudaMemAdvise()' Si la variable d'environnement ARCANE_CUDA_MEMORY_HINT_ON_DEVICE est positionnée à 1, alors on appelle automatiquement 'cudaMemAdvise' pour la mémoire unifiée en spécifiant qu'on veut effectuer l'allocation sur l'accélérateur.
grospelliergilles
added
enhancement
Codecov ReportAll modified and coverable lines are covered by tests ✅
✅ All tests successful. No failed tests found. Additional details and impacted files@@ Coverage Diff @@
## main #1833 +/- ##
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Coverage 70.24% 70.24%
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Files 2263 2263
Lines 162836 162836
Branches 18771 18771
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+ Hits 114382 114392 +10
+ Misses 41672 41666 -6
+ Partials 6782 6778 -4 ☔ View full report in Codecov by Sentry. |
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This may be used on systems where host can access device memory (i.e. GH200) to prevent copy between host and device memory.