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/***************************************************************************************************
* Copyright (c) 2017 - 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
**************************************************************************************************/
/*! \file
\brief Template for generic CUTLASS kernel.
*/
#pragma once
// __grid_constant__ was introduced in CUDA 11.7.
#if ((__CUDACC_VER_MAJOR__ >= 12) || ((__CUDACC_VER_MAJOR__ == 11) && (__CUDACC_VER_MINOR__ >= 7)))
# define CUTLASS_GRID_CONSTANT_SUPPORTED
#endif
// __grid_constant__ can be enabled only on SM70+
#if defined(CUTLASS_GRID_CONSTANT_SUPPORTED) && defined(__CUDA_ARCH__) && (__CUDA_ARCH__ >= 700)
# define CUTLASS_GRID_CONSTANT_ENABLED
#endif
#if ! defined(CUTLASS_GRID_CONSTANT)
# if defined(CUTLASS_GRID_CONSTANT_ENABLED)
# define CUTLASS_GRID_CONSTANT __grid_constant__
# else
# define CUTLASS_GRID_CONSTANT
# endif
#endif
////////////////////////////////////////////////////////////////////////////////
namespace cutlass {
////////////////////////////////////////////////////////////////////////////////
/// Generic CUTLASS kernel template.
template <typename Operator>
CUTLASS_GLOBAL
void Kernel(typename Operator::Params params) {
// Dynamic shared memory base pointer
extern __shared__ int SharedStorageBase[];
// Declare pointer to dynamic shared memory.
typename Operator::SharedStorage *shared_storage =
reinterpret_cast<typename Operator::SharedStorage *>(SharedStorageBase);
Operator op;
op(params, *shared_storage);
}
/// Generic CUTLASS kernel template.
template <typename Operator>
CUTLASS_GLOBAL
void Kernel2(typename Operator::Params params) {
// Dynamic shared memory base pointer
extern __shared__ int SharedStorageBase[];
// Declare pointer to dynamic shared memory.
typename Operator::SharedStorage *shared_storage =
reinterpret_cast<typename Operator::SharedStorage *>(SharedStorageBase);
Operator::invoke(params, *shared_storage);
}
////////////////////////////////////////////////////////////////////////////////
//
// 3.0 specific launch
//
////////////////////////////////////////////////////////////////////////////////
/// Generic CUTLASS kernel template.
template <typename Operator>
CUTLASS_GLOBAL
#ifdef __CUDACC__
// Enclosing this in __CUDACC__ suppresses MSVC warnings.
__launch_bounds__(Operator::MaxThreadsPerBlock, Operator::MinBlocksPerMultiprocessor)
#endif // __CUDACC__
void device_kernel(CUTLASS_GRID_CONSTANT typename Operator::Params const params)
{
// Dynamic shared memory base pointer
extern __shared__ char smem[];
Operator op;
op(params, smem);
}
////////////////////////////////////////////////////////////////////////////////
} /// namespace cutlass
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