#pragma once
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#include <cstring>
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#include <unordered_map>
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#include <c10/core/Allocator.h>
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#include <c10/util/Logging.h>
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#include <c10/util/numa.h>
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// TODO: rename to c10
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C10_DECLARE_bool(caffe2_report_cpu_memory_usage);
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C10_DECLARE_bool(caffe2_cpu_allocator_do_zero_fill);
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C10_DECLARE_bool(caffe2_cpu_allocator_do_junk_fill);
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namespace c10 {
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// Use 64-byte alignment should be enough for computation up to AVX512.
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constexpr size_t gAlignment = 64;
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using MemoryDeleter = void (*)(void*);
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// A helper function that is basically doing nothing.
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C10_API void NoDelete(void*);
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// Fill the data memory region of num bytes with a particular garbage pattern.
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// The garbage value is chosen to be NaN if interpreted as floating point value,
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// or a very large integer.
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C10_API void memset_junk(void* data, size_t num);
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C10_API void* alloc_cpu(size_t nbytes);
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C10_API void free_cpu(void* data);
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// Get the CPU Allocator.
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C10_API at::Allocator* GetCPUAllocator();
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// Sets the CPU allocator to the given allocator: the caller gives away the
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// ownership of the pointer.
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C10_API void SetCPUAllocator(at::Allocator* alloc);
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// Get the Default CPU Allocator
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C10_API at::Allocator* GetDefaultCPUAllocator();
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} // namespace c10
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