69 lines
2.6 KiB
C++
69 lines
2.6 KiB
C++
/***************************************************************************************************
|
|
* Copyright (c) 2017 - 2023 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 PTX for CTA Reconfiguration
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "cutlass/cutlass.h"
|
|
|
|
#if (defined(__CUDA_ARCH__) && (__CUDA_ARCH__ >= 900) && (__CUDACC_VER_MAJOR__ >= 12))
|
|
#if (defined(__CUDA_ARCH_FEAT_SM90_ALL))
|
|
#define CUDA_CTA_RECONFIG_ACTIVATED 1
|
|
#endif
|
|
#else
|
|
#define CUDA_CTA_RECONFIG_ACTIVATED 0
|
|
#endif
|
|
|
|
namespace cutlass {
|
|
namespace arch {
|
|
|
|
template<uint32_t RegCount>
|
|
CUTLASS_DEVICE
|
|
void warpgroup_reg_alloc(){
|
|
#if CUDA_CTA_RECONFIG_ACTIVATED
|
|
asm volatile( "setmaxnreg.inc.sync.aligned.u32 %0;\n" : : "n"(RegCount) );
|
|
#endif
|
|
}
|
|
|
|
template<uint32_t RegCount>
|
|
CUTLASS_DEVICE
|
|
void warpgroup_reg_dealloc(){
|
|
#if CUDA_CTA_RECONFIG_ACTIVATED
|
|
asm volatile( "setmaxnreg.dec.sync.aligned.u32 %0;\n" : : "n"(RegCount) );
|
|
#endif
|
|
}
|
|
|
|
} // namespace arch
|
|
} // namespace cutlass
|