mbs-octoml commented on a change in pull request #9038: URL: https://github.com/apache/tvm/pull/9038#discussion_r717093968
########## File path: src/relay/op/annotation/annotation.h ########## @@ -0,0 +1,116 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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. + */ + +/*! + * \file relay/attrs/annotation.h + * \brief Helpers for working with various 'annotation' attributes. + */ +#ifndef TVM_RELAY_OP_ANNOTATION_ANNOTATION_H_ +#define TVM_RELAY_OP_ANNOTATION_ANNOTATION_H_ + +#include <tvm/relay/attrs/annotation.h> +#include <tvm/relay/expr.h> +#include <tvm/relay/function.h> +#include <tvm/runtime/ndarray.h> + +#include <vector> + +namespace tvm { +namespace relay { + +/*! \brief Returns the "on_device" operator. */ +const Op& OnDeviceOp(); + +/*! + * \brief Wraps \p expr in an "on_device" CallNode for \p device_type and \p is_fixed. + */ +Expr OnDevice(Expr expr, DLDeviceType device_type, bool is_fixed); + +/*! + * \brief Wraps \p expr in an "on_device" CallNode for \p device_type and \p is_fixed. However + * returns \p expr directly if: + * - \p device_type is \p kInvalidDeviceType, which signals there are no device annotations + * already in play. + * - \p expr is an operator or primitive function literal. These are device polymorphic. + * - \p expr is a global or local var. These already have an implied device. + * - \p expr is a constructor. There should probably be device polymorphic but are in an + * in-between state at the moment. + */ +Expr OptOnDevice(Expr expr, DLDeviceType device_type, bool is_fixed); + +/*! \brief Result of \p GetOnDeviceProps. */ +struct OnDeviceProps { + Expr body; // = null + DLDeviceType device_type = kInvalidDeviceType; + bool is_fixed = false; + + OnDeviceProps() = default; + + OnDeviceProps(const Expr& body, DLDeviceType deviceType, bool isFixed) + : body(body), device_type(deviceType), is_fixed(isFixed) {} +}; + +/*! + * \brief Returns the body expression, device type and is_fixed field for \p call_node if it is + * an "on_device" CallNode. Otherwise returns the null expression, \p kInvalidDeviceType and \p + * false. + */ +OnDeviceProps GetOnDeviceProps(const CallNode* call_node); + +/*! + * \brief Returns the body expression, device type and is_fixed field for \p expr if it is an + * "on_device" CallNode. Otherwise returns the null expression, \p kInvalidDeviceType and \p false. + */ +OnDeviceProps GetOnDeviceProps(const Expr& expr); + +/*! \brief Returns true if \p expr is an on_device CallNode. */ Review comment: Turns out this is dead code now so nuked. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
