120 lines
4.2 KiB
C++
120 lines
4.2 KiB
C++
/*******************************************************************************
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* Copyright 2016-2018 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*******************************************************************************/
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#ifndef ENGINE_HPP
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#define ENGINE_HPP
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#include "mkldnn.h"
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#include "c_types_map.hpp"
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#include "primitive.hpp"
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#include "utils.hpp"
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/** \brief An abstraction of an execution unit with shared resources
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*
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* Responsibilities:
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* - Provide engine specific memory allocation
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* - Provide engine specific primitive_desc_t creators
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*/
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struct mkldnn_engine: public mkldnn::impl::c_compatible {
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mkldnn_engine(mkldnn::impl::engine_kind_t kind)
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: kind_(kind)
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{}
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virtual ~mkldnn_engine() {}
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/** get kind of the current engine */
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virtual mkldnn::impl::engine_kind_t kind() const { return kind_; }
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/** allocate memory */
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virtual mkldnn::impl::status_t memory_create(
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mkldnn::impl::memory_t **memory,
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const mkldnn::impl::memory_desc_t *md,
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void *handle) = 0;
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/** implementation section (typedefs) */
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// TODO: remove engine?
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typedef mkldnn::impl::status_t (*reorder_primitive_desc_create_f)(
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mkldnn::impl::reorder_pd_t **reorder_pd,
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mkldnn::impl::engine_t *engine,
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const mkldnn::impl::primitive_attr_t *attr,
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mkldnn::impl::engine_t *src_engine,
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const mkldnn::impl::memory_desc_t *src_md,
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mkldnn::impl::engine_t *dst_engine,
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const mkldnn::impl::memory_desc_t *dst_md);
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typedef mkldnn::impl::status_t (*concat_primitive_desc_create_f)(
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mkldnn::impl::concat_pd_t **concat_pd,
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mkldnn::impl::engine_t *engine,
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const mkldnn::impl::primitive_attr_t *attr,
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const mkldnn::impl::memory_desc_t *dst_md,
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int n, int concat_dim,
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const mkldnn::impl::memory_desc_t *src_mds);
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typedef mkldnn::impl::status_t (*sum_primitive_desc_create_f)(
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mkldnn::impl::sum_pd_t **sum_pd,
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mkldnn::impl::engine_t *engine,
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const mkldnn::impl::primitive_attr_t *attr,
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const mkldnn::impl::memory_desc_t *dst_md,
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int n, const float *scales,
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const mkldnn::impl::memory_desc_t *src_mds);
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typedef mkldnn::impl::status_t (*primitive_desc_create_f)(
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mkldnn::impl::primitive_desc_t **, const mkldnn::impl::op_desc_t *,
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const mkldnn::impl::primitive_attr_t *attr,
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mkldnn::impl::engine_t *, const mkldnn::impl::primitive_desc_t *);
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/* implementation section */
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/** return the list of reorder implementations. engine guarantees to return
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* a NULL-terminated list */
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virtual const reorder_primitive_desc_create_f*
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get_reorder_implementation_list() const = 0;
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/** return the list of concat implementations. engine guarantees to return
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* a NULL-terminated list */
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virtual const concat_primitive_desc_create_f*
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get_concat_implementation_list() const = 0;
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/** return the list of sum implementations. engine guarantees to return
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* a NULL-terminated list */
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virtual const sum_primitive_desc_create_f*
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get_sum_implementation_list() const = 0;
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/** return the list of implementations. engine guarantees to return a
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* NULL-terminated list */
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virtual const primitive_desc_create_f* get_implementation_list() const = 0;
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protected:
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mkldnn::impl::engine_kind_t kind_;
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};
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namespace mkldnn {
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namespace impl {
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struct engine_factory_t: public c_compatible {
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virtual size_t count() const = 0;
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virtual engine_kind_t kind() const = 0;
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virtual status_t engine_create(engine_t **engine, size_t index) const = 0;
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};
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}
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}
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#endif
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// vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s
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