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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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*/
/*!
* \file multi_lars.cc
* \brief vectorized LARS coefficient computed from sums of squared weights and grads
* \author Clement Fuji Tsang
*/
#include "./multi_lars-inl.h"
#include "../elemwise_op_common.h"
namespace mxnet {
namespace op {
DMLC_REGISTER_PARAMETER(LARSParam);
NNVM_REGISTER_OP(multi_lars)
.describe(
R"code(Compute the LARS coefficients of multiple weights and grads from their sums of square"
)code" ADD_FILELINE)
.set_num_inputs(4)
.set_num_outputs(1)
.set_attr_parser(ParamParser<LARSParam>)
.set_attr<mxnet::FInferShape>("FInferShape", ElemwiseShape<4, 1>)
.set_attr<nnvm::FInferType>("FInferType", ElemwiseType<4, 1>)
.set_attr<FInferStorageType>("FInferStorageType",
ElemwiseStorageType<4, 1, false, false, false>)
.set_attr<nnvm::FListInputNames>("FListInputNames",
[](const nnvm::NodeAttrs& attrs) {
std::vector<std::string> list_input_names = {
"lrs", "weights_sum_sq", "grads_sum_sq", "wds"};
return list_input_names;
})
.set_attr<FCompute>("FCompute<cpu>", MultiLARS<cpu>)
.add_argument("lrs", "NDArray-or-Symbol", "Learning rates to scale by LARS coefficient")
.add_argument("weights_sum_sq", "NDArray-or-Symbol", "sum of square of weights arrays")
.add_argument("grads_sum_sq", "NDArray-or-Symbol", "sum of square of gradients arrays")
.add_argument("wds", "NDArray-or-Symbol", "weight decays")
.add_arguments(LARSParam::__FIELDS__());
} // namespace op
} // namespace mxnet