231 lines
7.4 KiB
C++
231 lines
7.4 KiB
C++
/***************************************************************************************************
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* Copyright (c) 2023 - 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************************************/
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#pragma once
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#include <cute/config.hpp>
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#include <cute/arch/copy.hpp>
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// Config
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#if (defined(__CUDA_ARCH__) && (__CUDA_ARCH__ >= 900) && (__CUDACC_VER_MAJOR__ >= 12))
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# define CUTE_ARCH_STSM_SM90_ENABLED
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# define CUTE_ARCH_TMA_SM90_ENABLED
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#endif
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#if defined(CUTE_ARCH_TMA_SM90_ENABLED) && \
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((__CUDACC_VER_MAJOR__ > 12) || ((__CUDACC_VER_MAJOR__ == 12) && (__CUDACC_VER_MINOR__ >= 3)))
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# define CUTE_ARCH_DEVICE_MODIFIABLE_TMA_SM90_ENABLED
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#endif
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namespace cute
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{
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struct SM90_U32x1_STSM_N
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{
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using SRegisters = uint32_t[1];
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using DRegisters = uint128_t[1];
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CUTE_HOST_DEVICE static void
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copy(uint32_t const& src,
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uint128_t & smem_dst)
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{
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#if defined(CUTE_ARCH_STSM_SM90_ENABLED)
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uint32_t smem_int_ptr = cast_smem_ptr_to_uint(&smem_dst);
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asm volatile ("stmatrix.sync.aligned.x1.m8n8.shared.b16 [%0], {%1};\n"
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:: "r"(smem_int_ptr),
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"r"(src));
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#else
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CUTE_INVALID_CONTROL_PATH("Trying to use stmatrix without CUTE_ARCH_STSM_SM90_ENABLED.");
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#endif
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}
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};
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struct SM90_U32x2_STSM_N
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{
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using SRegisters = uint32_t[2];
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using DRegisters = uint128_t[1];
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CUTE_HOST_DEVICE static void
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copy(uint32_t const& src0, uint32_t const& src1,
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uint128_t& smem_dst)
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{
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#if defined(CUTE_ARCH_STSM_SM90_ENABLED)
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uint32_t smem_int_ptr = cast_smem_ptr_to_uint(&smem_dst);
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asm volatile ("stmatrix.sync.aligned.x2.m8n8.shared.b16 [%0], {%1, %2};\n"
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:: "r"(smem_int_ptr),
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"r"(src0), "r"(src1));
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#else
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CUTE_INVALID_CONTROL_PATH("Trying to use stmatrix without CUTE_ARCH_STSM_SM90_ENABLED.");
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#endif
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}
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};
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struct SM90_U32x4_STSM_N
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{
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using SRegisters = uint32_t[4];
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using DRegisters = uint128_t[1];
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CUTE_HOST_DEVICE static void
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copy(uint32_t const& src0, uint32_t const& src1, uint32_t const& src2, uint32_t const& src3,
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uint128_t& smem_dst)
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{
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#if defined(CUTE_ARCH_STSM_SM90_ENABLED)
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uint32_t smem_int_ptr = cast_smem_ptr_to_uint(&smem_dst);
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asm volatile ("stmatrix.sync.aligned.x4.m8n8.shared.b16 [%0], {%1, %2, %3, %4};\n"
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:: "r"(smem_int_ptr),
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"r"(src0), "r"(src1), "r"(src2), "r"(src3));
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#else
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CUTE_INVALID_CONTROL_PATH("Trying to use stmatrix without CUTE_ARCH_STSM_SM90_ENABLED.");
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#endif
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}
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};
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struct SM90_U16x2_STSM_T
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{
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using SRegisters = uint32_t[1];
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using DRegisters = uint128_t[1];
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CUTE_HOST_DEVICE static void
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copy(uint32_t const& src,
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uint128_t& smem_dst)
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{
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#if defined(CUTE_ARCH_STSM_SM90_ENABLED)
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uint32_t smem_int_ptr = cast_smem_ptr_to_uint(&smem_dst);
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asm volatile ("stmatrix.sync.aligned.x1.trans.m8n8.shared.b16 [%0], {%1};\n"
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:: "r"(smem_int_ptr),
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"r"(src));
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#else
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CUTE_INVALID_CONTROL_PATH("Trying to use stmatrix without CUTE_ARCH_STSM_SM90_ENABLED.");
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#endif
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}
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};
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struct SM90_U16x4_STSM_T
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{
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using SRegisters = uint32_t[2];
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using DRegisters = uint128_t[1];
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CUTE_HOST_DEVICE static void
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copy(uint32_t const& src0, uint32_t const& src1,
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uint128_t& smem_dst)
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{
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#if defined(CUTE_ARCH_STSM_SM90_ENABLED)
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uint32_t smem_int_ptr = cast_smem_ptr_to_uint(&smem_dst);
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asm volatile ("stmatrix.sync.aligned.x2.trans.m8n8.shared.b16 [%0], {%1, %2};\n"
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:: "r"(smem_int_ptr),
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"r"(src0), "r"(src1));
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#else
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CUTE_INVALID_CONTROL_PATH("Trying to use stmatrix without CUTE_ARCH_STSM_SM90_ENABLED.");
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#endif
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}
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};
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struct SM90_U16x8_STSM_T
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{
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using SRegisters = uint32_t[4];
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using DRegisters = uint128_t[1];
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CUTE_HOST_DEVICE static void
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copy(uint32_t const& src0, uint32_t const& src1, uint32_t const& src2, uint32_t const& src3,
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uint128_t& smem_dst)
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{
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#if defined(CUTE_ARCH_STSM_SM90_ENABLED)
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uint32_t smem_int_ptr = cast_smem_ptr_to_uint(&smem_dst);
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asm volatile ("stmatrix.sync.aligned.x4.trans.m8n8.shared.b16 [%0], {%1, %2, %3, %4};\n"
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:: "r"(smem_int_ptr),
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"r"(src0), "r"(src1), "r"(src2), "r"(src3));
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#else
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CUTE_INVALID_CONTROL_PATH("Trying to use stmatrix without CUTE_ARCH_STSM_SM90_ENABLED.");
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#endif
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}
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};
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//
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// Legacy STSM interfaces that aren't very useful
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//
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template <class T>
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CUTE_HOST_DEVICE
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void
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copy_stsm(T const* const rmem_ptr,
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uint128_t* const smem_ptr)
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{
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uint32_t const* reg_ptr = reinterpret_cast<uint32_t const*>(rmem_ptr);
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// if constexpr
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if (sizeof(T) == 4) {
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SM90_U32x1_STSM_N::copy(reg_ptr[0], smem_ptr[0]);
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}
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else if (sizeof(T) == 8) {
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SM90_U32x2_STSM_N::copy(reg_ptr[0], reg_ptr[1], smem_ptr[0]);
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}
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else if (sizeof(T) == 16) {
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SM90_U32x4_STSM_N::copy(reg_ptr[0], reg_ptr[1], reg_ptr[2], reg_ptr[3], smem_ptr[0]);
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}
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else {
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static_assert(sizeof(T) == 4 || sizeof(T) == 8 || sizeof(T) == 16, "sizeof(T) is not supported");
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}
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}
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template <class T>
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CUTE_HOST_DEVICE
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void
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copy_stsm_trans(T const* const rmem_ptr,
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uint128_t* const smem_ptr)
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{
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uint32_t const* reg_ptr = reinterpret_cast<uint32_t const*>(rmem_ptr);
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// if constexpr
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if (sizeof(T) == 4) {
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SM90_U16x2_STSM_T::copy(reg_ptr[0], smem_ptr[0]);
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}
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else if (sizeof(T) == 8) {
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SM90_U16x4_STSM_T::copy(reg_ptr[0], reg_ptr[1], smem_ptr[0]);
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}
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else if (sizeof(T) == 16) {
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SM90_U16x8_STSM_T::copy(reg_ptr[0], reg_ptr[1], reg_ptr[2], reg_ptr[3], smem_ptr[0]);
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}
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else {
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static_assert(sizeof(T) == 4 || sizeof(T) == 8 || sizeof(T) == 16, "sizeof(T) is not supported");
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}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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} // end namespace cute
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////////////////////////////////////////////////////////////////////////////////////////////////////
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#include <cute/arch/copy_sm90_desc.hpp>
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#include <cute/arch/copy_sm90_tma.hpp>
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////////////////////////////////////////////////////////////////////////////////////////////////////
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