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/*******************************************************************************
* Copyright 2016-2018 Intel Corporation
*
* Licensed 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 "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*******************************************************************************/
#ifndef LRN_PD_HPP
#define LRN_PD_HPP
#include "mkldnn.h"
#include "c_types_map.hpp"
#include "primitive_desc.hpp"
namespace mkldnn {
namespace impl {
struct lrn_fwd_pd_t;
struct lrn_pd_t: public primitive_desc_t {
static constexpr auto base_pkind = primitive_kind::lrn;
lrn_pd_t(engine_t *engine,
const lrn_desc_t *adesc,
const primitive_attr_t *attr,
const lrn_fwd_pd_t *hint_fwd_pd)
: primitive_desc_t(engine, attr, base_pkind)
, desc_(*adesc)
, hint_fwd_pd_(hint_fwd_pd)
, data_md_(desc_.data_desc)
, ws_md_()
{}
const lrn_desc_t *desc() const { return &desc_; }
virtual const op_desc_t *op_desc() const override
{ return reinterpret_cast<const op_desc_t *>(this->desc()); }
virtual void init_info() override { impl::init_info(this, this->info_); }
virtual status_t query(query_t what, int idx, void *result) const override {
switch (what) {
case query::lrn_d:
*(const lrn_desc_t**)result = desc(); break;
default: return primitive_desc_t::query(what, idx, result);
}
return status::success;
}
/* common lrn aux functions */
dim_t MB() const { return data_desc().dims[0]; }
dim_t C() const { return data_desc().dims[1]; }
dim_t D() const { return ndims() >= 5 ? data_desc().dims[ndims() - 3] : 1; }
dim_t H() const { return ndims() >= 4 ? data_desc().dims[ndims() - 2] : 1; }
dim_t W() const { return ndims() >= 3 ? data_desc().dims[ndims() - 1] : 1; }
int ndims() const { return data_desc().ndims; }
bool has_zero_dim_memory() const
{ return memory_desc_wrapper(desc_.data_desc).has_zero_dim(); }
bool is_fwd() const {
return utils::one_of(desc_.prop_kind, prop_kind::forward_training,
prop_kind::forward_inference);
}
protected:
lrn_desc_t desc_;
const lrn_fwd_pd_t *hint_fwd_pd_;
memory_desc_t data_md_;
memory_desc_t ws_md_;
private:
const memory_desc_t &data_desc() const { return desc_.data_desc; }
};
struct lrn_fwd_pd_t: public lrn_pd_t {
typedef lrn_fwd_pd_t base_class;
typedef lrn_fwd_pd_t hint_class;
lrn_fwd_pd_t(engine_t *engine,
const lrn_desc_t *adesc,
const primitive_attr_t *attr,
const lrn_fwd_pd_t *hint_fwd_pd)
: lrn_pd_t(engine, adesc, attr, hint_fwd_pd)
{}
virtual arg_usage_t arg_usage(primitive_arg_index_t arg) const override {
if (arg == MKLDNN_ARG_SRC)
return arg_usage_t::input;
if (arg == MKLDNN_ARG_DST)
return arg_usage_t::output;
if (arg == MKLDNN_ARG_WORKSPACE && (workspace_md() != nullptr))
return arg_usage_t::output;
return primitive_desc_t::arg_usage(arg);
}
virtual const memory_desc_t *src_md(int index = 0) const override
{ return index == 0 ? &data_md_ : nullptr; }
virtual const memory_desc_t *dst_md(int index = 0) const override
{ return index == 0 ? &data_md_ : nullptr; }
virtual const memory_desc_t *workspace_md(int index = 0) const override
{ return index == 0 && !types::is_zero_md(&ws_md_) ? &ws_md_ : nullptr; }
virtual int n_inputs() const override { return 1; }
virtual int n_outputs() const override
{ return 1 + (workspace_md() != nullptr); }
};
struct lrn_bwd_pd_t: public lrn_pd_t {
typedef lrn_bwd_pd_t base_class;
typedef lrn_fwd_pd_t hint_class;
lrn_bwd_pd_t(engine_t *engine,
const lrn_desc_t *adesc,
const primitive_attr_t *attr,
const lrn_fwd_pd_t *hint_fwd_pd)
: lrn_pd_t(engine, adesc, attr, hint_fwd_pd)
, diff_data_md_(desc_.diff_data_desc)
{}
virtual arg_usage_t arg_usage(primitive_arg_index_t arg) const override {
if (utils::one_of(arg, MKLDNN_ARG_SRC, MKLDNN_ARG_DIFF_DST))
return arg_usage_t::input;
if (arg == MKLDNN_ARG_DIFF_SRC)
return arg_usage_t::output;
if (arg == MKLDNN_ARG_WORKSPACE && (workspace_md() != nullptr))
return arg_usage_t::input;
return primitive_desc_t::arg_usage(arg);
}
virtual const memory_desc_t *src_md(int index = 0) const override
{ return index == 0 ? &data_md_ : nullptr; }
virtual const memory_desc_t *diff_dst_md(int index = 0) const override
{ return index == 0 ? &diff_data_md_ : nullptr; }
virtual const memory_desc_t *diff_src_md(int index = 0) const override
{ return index == 0 ? &diff_data_md_ : nullptr; }
virtual const memory_desc_t *workspace_md(int index = 0) const override
{ return index == 0 && !types::is_zero_md(&ws_md_) ? &ws_md_ : nullptr; }
virtual int n_inputs() const override
{ return 2 + (workspace_md() != nullptr); }
virtual int n_outputs() const override { return 1; }
protected:
memory_desc_t diff_data_md_;
};
}
}
#endif
// vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s
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