// Copyright (c) OpenMMLab. All rights reserved.

#pragma once
#include "src/fastertransformer/utils/Tensor.h"
#include <cuda_runtime.h>
#include <sstream>
#include <string>
#include <vector>

namespace fastertransformer {

enum QuantPolicy {
    kNone = 0x00,
    // reserve 0x01 and 0x02 for backward compatibility
    kReserve1 = 0x01,
    kReserve2 = 0x02,
    // quantize cache kv
    kCacheKVInt8 = 0x04,
};

enum CmpMode {
    kCmpNone,
    kCmpRead,
    kCmpWrite,
};

extern CmpMode compare_mode;

template<typename T>
void Compare(T* ptr, size_t size, std::string key, CmpMode mode, cudaStream_t stream);

template<typename T>
void CheckNan(const T* ptr, size_t size, std::string key, cudaStream_t stream);

namespace detail {

template<typename T>
std::string to_string(T x)
{
    return std::to_string(x);
}

inline std::string to_string(std::string x)
{
    return x;
}

}  // namespace detail

template<typename... Args>
std::string Concat(std::string key, Args&&... args)
{
    std::vector<std::string> args_str{detail::to_string((Args &&) args)...};
    for (const auto& s : args_str) {
        key.append("_");
        key.append(s);
    }
    return key;
}

std::string format(const std::pair<std::string, Tensor>& p);

size_t curandStateGetSize();

bool isDebug();

}  // namespace fastertransformer