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#pragma once
#include "c10/util/Registry.h"
#include "caffe2/core/blob.h"
#include <c10/util/typeid.h>
#include <unordered_map>
namespace caffe2 {
struct BlobStatGetter {
virtual size_t sizeBytes(const Blob& blob) const = 0;
virtual ~BlobStatGetter() {}
};
struct BlobStatRegistry {
private:
std::unordered_map<TypeIdentifier, std::unique_ptr<BlobStatGetter>> map_;
void doRegister(TypeIdentifier id, std::unique_ptr<BlobStatGetter>&& v);
public:
template <typename T, typename Getter>
struct Registrar {
Registrar() {
BlobStatRegistry::instance().doRegister(
TypeMeta::Id<T>(), std::unique_ptr<Getter>(new Getter));
}
};
const BlobStatGetter* get(TypeIdentifier id);
static BlobStatRegistry& instance();
};
#define REGISTER_BLOB_STAT_GETTER(Type, BlobStatGetterClass) \
static BlobStatRegistry::Registrar<Type, BlobStatGetterClass> \
C10_ANONYMOUS_VARIABLE(BlobStatRegistry)
namespace BlobStat {
/**
* Return size in bytes of the blob, if available for a blob of given type.
* If not available, return 0.
*/
TORCH_API size_t sizeBytes(const Blob& blob);
}
}
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