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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 CPU_REF_LRN_HPP
#define CPU_REF_LRN_HPP
#include <assert.h>
#include "c_types_map.hpp"
#include "type_helpers.hpp"
#include "utils.hpp"
#include "cpu_lrn_pd.hpp"
#include "cpu_primitive.hpp"
namespace mkldnn {
namespace impl {
namespace cpu {
template <impl::data_type_t data_type>
struct ref_lrn_fwd_t: public cpu_primitive_t {
struct pd_t: public cpu_lrn_fwd_pd_t {
using cpu_lrn_fwd_pd_t::cpu_lrn_fwd_pd_t;
DECLARE_COMMON_PD_T("ref:any", ref_lrn_fwd_t);
status_t init() {
using namespace format_tag;
bool ok = true
&& is_fwd()
&& src_md()->data_type == data_type
&& attr()->has_default_values();
if (!ok) return status::unimplemented;
dat_tag_ = memory_desc_matches_one_of_tag(
*src_md(), nChw16c, nChw8c, nchw, nhwc);
return status::success;
}
format_tag_t dat_tag_;
};
ref_lrn_fwd_t(const pd_t *apd): cpu_primitive_t(apd) {}
typedef typename prec_traits<data_type>::type data_t;
virtual status_t execute(const exec_ctx_t &ctx) const override {
using namespace format_tag;
switch (pd()->dat_tag_) {
case nChw16c: execute_forward<nChw16c>(ctx); break;
case nChw8c: execute_forward<nChw8c>(ctx); break;
case nchw: execute_forward<nchw>(ctx); break;
case nhwc: execute_forward<nhwc>(ctx); break;
default: execute_forward<any>(ctx);
}
return status::success;
}
private:
template<format_tag_t tag>
void execute_forward(const exec_ctx_t &ctx) const;
const pd_t *pd() const { return (const pd_t *)primitive_t::pd(); }
};
template <impl::data_type_t data_type>
struct ref_lrn_bwd_t: public cpu_primitive_t {
struct pd_t: public cpu_lrn_bwd_pd_t {
using cpu_lrn_bwd_pd_t::cpu_lrn_bwd_pd_t;
DECLARE_COMMON_PD_T("ref:any", ref_lrn_bwd_t);
status_t init() {
using namespace format_tag;
using namespace alg_kind;
bool ok = true
&& !is_fwd()
&& utils::one_of(desc()->alg_kind, lrn_across_channels
/*, lrn_within_channel */) // not supported yet
&& utils::everyone_is(data_type,
src_md()->data_type,
diff_src_md()->data_type)
&& attr()->has_default_values();
if (!ok) return status::unimplemented;
dat_tag_ = memory_desc_matches_one_of_tag(
*src_md(), nChw16c, nChw8c, nchw, nhwc);
return status::success;
}
format_tag_t dat_tag_;
};
ref_lrn_bwd_t(const pd_t *apd): cpu_primitive_t(apd) {}
typedef typename prec_traits<data_type>::type data_t;
virtual status_t execute(const exec_ctx_t &ctx) const override {
using namespace format_tag;
switch (pd()->dat_tag_) {
case nChw16c: execute_backward<nChw16c>(ctx); break;
case nChw8c: execute_backward<nChw8c>(ctx); break;
case nchw: execute_backward<nchw>(ctx); break;
case nhwc: execute_backward<nhwc>(ctx); break;
default: execute_backward<any>(ctx);
}
return status::success;
}
private:
template<format_tag_t tag>
void execute_backward(const exec_ctx_t &ctx) const;
const pd_t *pd() const { return (const pd_t *)primitive_t::pd(); }
};
}
}
}
#endif
// vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s
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