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67 lines
2.4 KiB
C++
67 lines
2.4 KiB
C++
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015-2023 Advanced Micro Devices, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <migraphx/eliminate_allocation.hpp>
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#include <migraphx/program.hpp>
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#include <migraphx/instruction.hpp>
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#include <migraphx/iterator_for.hpp>
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#include <migraphx/ranges.hpp>
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#include <migraphx/stringutils.hpp>
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#include <migraphx/serialize.hpp>
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#include <migraphx/make_op.hpp>
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namespace migraphx {
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inline namespace MIGRAPHX_INLINE_NS {
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void eliminate_allocation::apply(module& m) const
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{
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assert(alignment > 0);
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std::size_t n = 0;
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std::vector<std::pair<instruction_ref, std::size_t>> allocs;
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for(auto ins : iterator_for(m))
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{
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if(ins->name() != allocation_op)
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continue;
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allocs.emplace_back(ins, n);
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std::size_t size = ins->get_shape().bytes();
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std::size_t padding = (alignment - (size % alignment)) % alignment;
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n += size + padding;
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}
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if(n > 0)
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{
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auto mem = m.add_parameter("memory", shape{shape::int8_type, {n}});
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for(auto&& pp : allocs)
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{
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auto ins = pp.first;
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auto s = ins->get_shape();
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auto offset = pp.second;
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m.replace_instruction(
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ins, make_op("load", {{"shape", to_value(s)}, {"offset", offset}}), mem);
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}
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}
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}
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} // namespace MIGRAPHX_INLINE_NS
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} // namespace migraphx
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