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71 lines
2.8 KiB
C++
71 lines
2.8 KiB
C++
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015-2022 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/adjust_allocation.hpp>
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#include <migraphx/instruction.hpp>
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#include <migraphx/program.hpp>
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#include <migraphx/make_op.hpp>
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#include <migraphx/iterator_for.hpp>
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#include <migraphx/ranges.hpp>
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namespace migraphx {
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inline namespace MIGRAPHX_INLINE_NS {
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void adjust_allocation::apply(module& m) const
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{
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for(auto ins : iterator_for(m))
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{
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// skip instruction with no input
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if(ins->inputs().empty())
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continue;
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// Skip target-independent operators
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if(ins->get_operator().is_context_free())
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continue;
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auto alias_ins = instruction::get_output_alias(ins, true);
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if(alias_ins->name() != model.name() and alias_ins->name() != "@param")
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continue;
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// shape allocated is different from actual shape
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// of the instruction, reallocate and replace the previous one
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if(alias_ins->get_shape() == ins->get_shape())
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continue;
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auto alloc_ins = m.insert_instruction(ins, model.allocate(ins->get_shape()));
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m.replace_instruction(alias_ins, alloc_ins);
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// If the memory is an output parameter then copy the memory to the parameter
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if(alias_ins->name() == "@param")
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{
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auto copy = m.insert_instruction(std::next(ins), make_op(model.copy()), ins, alias_ins);
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auto tail = range(std::next(copy), m.end());
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for(auto i : iterator_for(tail))
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{
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if(contains(i->inputs(), ins))
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instruction::replace_argument(i, ins, copy);
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}
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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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