gnn_mapper.h

/* Copyright 2019 Stanford University
 *
 * 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 _GNN_MAPPER_H_
#define _GNN_MAPPER_H_

#include "legion.h"
#include "default_mapper.h"

using namespace Legion;
using namespace Legion::Mapping;

class GnnMapper : public DefaultMapper {
public:
  GnnMapper(Machine machine, Runtime *runtime, Processor local);
  ~GnnMapper();
public:
  virtual void select_task_options(const MapperContext ctx,
                                   const Task& task,
                                   TaskOptions& output);
  virtual void slice_task(const MapperContext ctx,
                          const Task& task,
                          const SliceTaskInput& input,
                          SliceTaskOutput& output);
  virtual Memory default_policy_select_target_memory(MapperContext ctx,
                                                     Processor target_proc,
                                                     const RegionRequirement &req);
protected:
  unsigned int numNodes;
  std::vector<TaskSlice> gpuSlices, cpuSlices;
  std::map<unsigned, std::vector<Processor>* > allGPUs, allCPUs;
  std::map<Processor, Memory> memFBs, memZCs;
};

#endif