TheRock/rocm-libraries/projects/rocprim/common/warp_exchange.hpp

// MIT License
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#ifndef COMMON_WARP_EXCHANGE_HPP_
#define COMMON_WARP_EXCHANGE_HPP_

#include <rocprim/config.hpp>

namespace common
{

struct BlockedToStripedOp
{
    template<typename warp_exchange_type, typename T, unsigned int ItemsPerThread>
    ROCPRIM_DEVICE ROCPRIM_INLINE
    void operator()(warp_exchange_type warp_exchange,
                    T (&input_data)[ItemsPerThread],
                    T (&output_data)[ItemsPerThread],
                    typename warp_exchange_type::storage_type& storage) const
    {
        warp_exchange.blocked_to_striped(input_data, output_data, storage);
    }

    template<typename warp_exchange_type, typename T, unsigned int ItemsPerThread>
    ROCPRIM_DEVICE ROCPRIM_INLINE
    void operator()(warp_exchange_type warp_exchange,
                    T (&thread_data)[ItemsPerThread],
                    typename warp_exchange_type::storage_type& storage) const
    {
        warp_exchange.blocked_to_striped(thread_data, thread_data, storage);
    }
};

struct BlockedToStripedShuffleOp
{
    template<typename warp_exchange_type, typename T, unsigned int ItemsPerThread>
    ROCPRIM_DEVICE ROCPRIM_INLINE
    void operator()(warp_exchange_type warp_exchange,
                    T (&input_data)[ItemsPerThread],
                    T (&output_data)[ItemsPerThread],
                    typename warp_exchange_type::storage_type& /*storage*/) const
    {
        warp_exchange.blocked_to_striped_shuffle(input_data, output_data);
    }

    template<typename warp_exchange_type, typename T, unsigned int ItemsPerThread>
    ROCPRIM_DEVICE ROCPRIM_INLINE
    void operator()(warp_exchange_type warp_exchange,
                    T (&thread_data)[ItemsPerThread],
                    typename warp_exchange_type::storage_type& /*storage*/) const
    {
        warp_exchange.blocked_to_striped_shuffle(thread_data, thread_data);
    }
};

struct StripedToBlockedOp
{
    template<typename warp_exchange_type, typename T, unsigned int ItemsPerThread>
    ROCPRIM_DEVICE ROCPRIM_INLINE
    void operator()(warp_exchange_type warp_exchange,
                    T (&input_data)[ItemsPerThread],
                    T (&output_data)[ItemsPerThread],
                    typename warp_exchange_type::storage_type& storage) const
    {
        warp_exchange.striped_to_blocked(input_data, output_data, storage);
    }

    template<typename warp_exchange_type, typename T, unsigned int ItemsPerThread>
    ROCPRIM_DEVICE ROCPRIM_INLINE
    void operator()(warp_exchange_type warp_exchange,
                    T (&thread_data)[ItemsPerThread],
                    typename warp_exchange_type::storage_type& storage) const
    {
        warp_exchange.striped_to_blocked(thread_data, thread_data, storage);
    }
};

struct StripedToBlockedShuffleOp
{
    template<typename warp_exchange_type, typename T, unsigned int ItemsPerThread>
    ROCPRIM_DEVICE ROCPRIM_INLINE
    void operator()(warp_exchange_type warp_exchange,
                    T (&input_data)[ItemsPerThread],
                    T (&output_data)[ItemsPerThread],
                    typename warp_exchange_type::storage_type& /*storage*/) const
    {
        warp_exchange.striped_to_blocked_shuffle(input_data, output_data);
    }

    template<typename warp_exchange_type, typename T, unsigned int ItemsPerThread>
    ROCPRIM_DEVICE ROCPRIM_INLINE
    void operator()(warp_exchange_type warp_exchange,
                    T (&thread_data)[ItemsPerThread],
                    typename warp_exchange_type::storage_type& /*storage*/) const
    {
        warp_exchange.striped_to_blocked_shuffle(thread_data, thread_data);
    }
};

} // namespace common

#endif // COMMON_WARP_EXCHANGE_HPP_