88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// @author raver119@gmail.com
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//
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#ifndef SD_PLATFORMHELPER_H
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#define SD_PLATFORMHELPER_H
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#include <ShapeUtils.h>
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#include <execution/Engine.h>
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#include <graph/Context.h>
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#include <string>
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#include <pointercast.h>
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#include <dll.h>
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namespace nd4j {
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namespace ops {
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namespace platforms {
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/**
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* This abstract class defines methods used by platform-specific helpers implementations
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*/
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class ND4J_EXPORT PlatformHelper {
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protected:
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// target engine for this impl
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samediff::Engine _engine;
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// name of the operation this helper is built for
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std::string _name;
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// hash of the operation this helper is built for
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Nd4jLong _hash;
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public:
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PlatformHelper(const char *name, samediff::Engine engine);
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~PlatformHelper() = default;
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std::string name();
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samediff::Engine engine();
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Nd4jLong hash();
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/**
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* This method checks, if given helper can be used with given input/output/configuration options
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*
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* @param context
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* @return
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*/
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virtual bool isUsable(graph::Context &context) = 0;
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/**
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* This method invokes helper. Typically this method replaces actual op execution
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*
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* @param context
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* @return
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*/
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virtual Nd4jStatus invokeHelper(graph::Context &context) = 0;
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/**
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* Helper method, needed for compatibility with DeclarableOp macros
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* @param ctx
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* @param inputId
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* @return
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*/
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nd4j::NDArray *getZ(graph::Context &ctx, int inputId);
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};
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}
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}
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}
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#endif //SD_PLATFORMHELPER_H
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