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Reduce memory consumption of parallel_solve

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This commit is contained in:
Alinson S. Xavier
2021-04-30 11:54:55 -05:00
parent 0ba8cc16fd
commit c3d26a1c75
2 changed files with 2 additions and 0 deletions
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1
miplearn/instance/picklegz.py
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@@ -126,6 +126,7 @@ class PickleGzInstance(Instance):
@overrides @overrides
def free(self) -> None: def free(self) -> None:
self.instance = None # type: ignore self.instance = None # type: ignore
self.samples = None # type: ignore
gc.collect() gc.collect()
@overrides @overrides

1
miplearn/solvers/learning.py
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@@ -50,6 +50,7 @@ def _parallel_solve(
instances[idx], instances[idx],
discard_output=discard_outputs, discard_output=discard_outputs,
) )
instances[idx].free()
return stats, instances[idx] return stats, instances[idx]
except Exception as e: except Exception as e:
traceback.print_exc() traceback.print_exc()