#pragma once
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#include <ATen/ATen.h>
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namespace at {
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// MemOverlap: Whether or not there is memory overlap
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//
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// NO: Absolutely no memory overlap
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// YES: Absolutely yes memory overlap
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// TOO_HARD: There might be memory overlap, but it was too expensive to compute.
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//
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// NB: Please update the python test for these if you renumber them.
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enum class MemOverlap { NO, YES, TOO_HARD };
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enum class MemOverlapStatus { FULL, PARTIAL, NO, TOO_HARD };
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CAFFE2_API MemOverlap has_internal_overlap(const Tensor& t);
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CAFFE2_API MemOverlap has_internal_overlap(TensorImpl* t);
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CAFFE2_API void assert_no_internal_overlap(const Tensor& t);
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CAFFE2_API void assert_no_internal_overlap(TensorImpl* t);
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MemOverlapStatus get_overlap_status(const Tensor& a, const Tensor& b);
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MemOverlapStatus get_overlap_status(TensorImpl* a, TensorImpl* b);
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void assert_no_partial_overlap(const Tensor& a, const Tensor& b);
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void assert_no_partial_overlap(TensorImpl* a, TensorImpl* b);
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}
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