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/**
 * \file dnn/src/cuda/cutlass/manifest.h
 * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 *
 * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied.
 */

#pragma once

#include <list>
#include <map>
#include <memory>

#include "src/cuda/cutlass/library.h"

///////////////////////////////////////////////////////////////////////////////////////////////////

namespace cutlass {
namespace library {

///////////////////////////////////////////////////////////////////////////////////////////////////

// Forward declaration
class Manifest;

// init and insert all cutlass gemm operations in manifest object (procedurally
// generated using generator.py)
void initialize_all(Manifest& manifest);

/////////////////////////////////////////////////////////////////////////////////////////////////////////

/// List of operations
using OperationVector = std::vector<std::unique_ptr<Operation>>;

///////////////////////////////////////////////////////////////////////////////////////////////////

/// Manifest of CUTLASS Library
class Manifest {
private:
    /// Operation provider
    Provider provider_;

    /// Global list of operations
    OperationVector operations_;

public:
    Manifest(Provider provider = library::Provider::kCUTLASS) : provider_(provider) {}

    /// Top-level initialization
    Status initialize();

    /// Used for initialization
    void reserve(size_t operation_count);

    /// Graceful shutdown
    Status release();

    /// Appends an operation and takes ownership
    void append(Operation* operation_ptr);

    /// Returns an iterator to the first operation
    OperationVector const& operations() const;

    /// Returns a const iterator
    OperationVector::const_iterator begin() const;

    /// Returns a const iterator
    OperationVector::const_iterator end() const;
};

///////////////////////////////////////////////////////////////////////////////////////////////////

}  // namespace library
}  // namespace cutlass

///////////////////////////////////////////////////////////////////////////////////////////////////
