389e493055
* CUTLASS 3.8 Release
* update
* Update README.md
* Revert "Update README.md"
This reverts commit b353e36fe8.
* update
* update
---------
Co-authored-by: Haicheng Wu <57973641+hwu36@users.noreply.github.com>
Co-authored-by: Haicheng Wu <haichengw@nvidia.com>
97 lines
3.1 KiB
C++
97 lines
3.1 KiB
C++
/***************************************************************************************************
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* Copyright (c) 2024 - 2025 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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//
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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/config.hpp>
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#include <cute/numeric/real.hpp>
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namespace cute {
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CUTE_HOST_DEVICE
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void
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add(float2 & c,
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float2 const& a,
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float2 const& b)
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{
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#if defined(CUTE_ARCH_FLOAT2_MATH_ENABLED)
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asm volatile("add.f32x2 %0, %1, %2;\n"
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: "=l"(reinterpret_cast<uint64_t &>(c))
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: "l"(reinterpret_cast<uint64_t const&>(a)),
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"l"(reinterpret_cast<uint64_t const&>(b)));
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#else
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add(c.x, a.x, b.x);
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add(c.y, a.y, b.y);
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#endif
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}
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CUTE_HOST_DEVICE
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void
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mul(float2 & c,
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float2 const& a,
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float2 const& b)
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{
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#if defined(CUTE_ARCH_FLOAT2_MATH_ENABLED)
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asm volatile("mul.f32x2 %0, %1, %2;\n"
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: "=l"(reinterpret_cast<uint64_t &>(c))
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: "l"(reinterpret_cast<uint64_t const&>(a)),
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"l"(reinterpret_cast<uint64_t const&>(b)));
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#else
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mul(c.x, a.x, b.x);
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mul(c.y, a.y, b.y);
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#endif
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}
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CUTE_HOST_DEVICE
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void
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fma(float2 & d,
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float2 const& a,
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float2 const& b,
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float2 const& c)
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{
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#if defined(CUTE_ARCH_FLOAT2_MATH_ENABLED)
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asm volatile("fma.rn.f32x2 %0, %1, %2, %3;\n"
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: "=l"(reinterpret_cast<uint64_t &>(d))
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: "l"(reinterpret_cast<uint64_t const&>(a)),
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"l"(reinterpret_cast<uint64_t const&>(b)),
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"l"(reinterpret_cast<uint64_t const&>(c)));
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#else
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fma(d.x, a.x, b.x, c.x);
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fma(d.y, a.y, b.y, c.y);
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#endif
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}
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} // namespace cute
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