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/*******************************************************************************
* Copyright 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 PRIMITIVE_ITERATOR_HPP
#define PRIMITIVE_ITERATOR_HPP
#include "mkldnn.h"
#include "c_types_map.hpp"
#include "engine.hpp"
#include "primitive_desc.hpp"
#include "type_helpers.hpp"
struct mkldnn_primitive_desc_iterator: public mkldnn::impl::c_compatible {
using pd_create_f = mkldnn::impl::engine_t::primitive_desc_create_f;
mkldnn_primitive_desc_iterator(mkldnn::impl::engine_t *engine, const mkldnn::impl::op_desc_t *op_desc,
const mkldnn::impl::primitive_attr_t *attr, const mkldnn::impl::primitive_desc_t *hint_fwd_pd)
: idx_(-1), engine_(engine), pd_(nullptr), op_desc_(op_desc)
, attr_(attr ? *attr : mkldnn::impl::primitive_attr_t()), hint_fwd_pd_(hint_fwd_pd)
, impl_list_(engine_->get_implementation_list()), last_idx_(0)
{
while (impl_list_[last_idx_] != nullptr) ++last_idx_;
}
~mkldnn_primitive_desc_iterator() { if (pd_) delete pd_; }
bool operator==(const mkldnn::impl::primitive_desc_iterator_t& rhs) const
{ return idx_ == rhs.idx_ && engine_ == rhs.engine_; }
bool operator!=(const mkldnn::impl::primitive_desc_iterator_t& rhs) const
{ return !operator==(rhs); }
mkldnn::impl::primitive_desc_iterator_t end() const
{ return mkldnn_primitive_desc_iterator(engine_, last_idx_); }
mkldnn::impl::primitive_desc_iterator_t &operator++() {
if (pd_) { delete pd_; pd_ = nullptr; }
while (++idx_ != last_idx_) {
auto s = impl_list_[idx_](&pd_, op_desc_, &attr_, engine_,
hint_fwd_pd_);
if (s == mkldnn::impl::status::success) break;
}
return *this;
}
mkldnn::impl::primitive_desc_t *operator*() const {
if (*this == end() || pd_ == nullptr) return nullptr;
return pd_->clone();
}
protected:
int idx_;
mkldnn::impl::engine_t *engine_;
mkldnn::impl::primitive_desc_t *pd_;
const mkldnn::impl::op_desc_t *op_desc_;
const mkldnn::impl::primitive_attr_t attr_;
const mkldnn::impl::primitive_desc_t *hint_fwd_pd_;
const pd_create_f *impl_list_;
int last_idx_;
private:
mkldnn_primitive_desc_iterator(mkldnn::impl::engine_t *engine, int last_idx)
: idx_(last_idx), engine_(engine), pd_(nullptr)
, op_desc_(nullptr), hint_fwd_pd_(nullptr)
, impl_list_(nullptr), last_idx_(last_idx) {}
};
#endif
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