95 lines
3.2 KiB
C++
95 lines
3.2 KiB
C++
/***************************************************************************************************
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* Copyright (c) 2017 - 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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#include "cutlass_unit_test.h"
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#include <cutlass/trace.h>
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#include <iostream>
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#include <cute/tensor.hpp>
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using namespace cute;
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template <class Layout, class KerLayout>
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void
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test_postconditions(Layout const& layout, KerLayout const& ker_layout)
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{
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EXPECT_EQ(size(ker_layout), size(layout) / size(filter(layout)));
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for (int i = 0; i < size(ker_layout); ++i) {
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//printf("%3d: %3d %3d\n", i, int(ker_layout(i)), int(layout(ker_layout(i))));
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EXPECT_EQ(layout(ker_layout(i)), 0);
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}
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}
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template <class Layout>
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void
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test_nullspace(Layout const& layout)
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{
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auto ker_layout = nullspace(layout);
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CUTLASS_TRACE_HOST("ker(" << layout << ")\n" << " => \n" << ker_layout);
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CUTLASS_TRACE_HOST("Composition: " << coalesce(composition(layout, ker_layout)) << std::endl);
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test_postconditions(layout, ker_layout);
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}
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TEST(CuTe_core, Layout_nullspace)
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{
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CUTLASS_TRACE_HOST("-------------------------------");
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CUTLASS_TRACE_HOST("NULLSPACE" );
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CUTLASS_TRACE_HOST("-------------------------------");
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{
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auto layout = Layout<Shape<_2,_2,_2>,Stride<_0,_0,_0>>{};
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test_nullspace(layout);
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}
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{
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auto layout = Layout<Shape<_7,_5,_16>,Stride<_0,_0,_0>>{};
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test_nullspace(layout);
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}
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{
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auto layout = Layout<Shape<_2,_2,_2>,Stride<_1,_0,_2>>{};
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test_nullspace(layout);
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}
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{
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auto layout = Layout<Shape<_7,_5,_16>,Stride<_3,_1,_0>>{};
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test_nullspace(layout);
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}
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}
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