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/* Copyright (c) 2020 The Neuropod Authors
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.
*/
#pragma once
#include <string>
namespace neuropod
{
typedef int NeuropodDevice;
namespace Device
{
constexpr int CPU = -1;
constexpr int GPU0 = 0;
constexpr int GPU1 = 1;
constexpr int GPU2 = 2;
constexpr int GPU3 = 3;
constexpr int GPU4 = 4;
constexpr int GPU5 = 5;
constexpr int GPU6 = 6;
constexpr int GPU7 = 7;
} // namespace Device
struct RuntimeOptions
{
// Whether or not to use out-of-process execution
// (using shared memory to communicate between the processes)
bool use_ope = false;
// These options are only used if use_ope is set to true
struct OPEOptions
{
// Internally, OPE uses a shared memory allocator that reuses blocks of memory if possible.
// Therefore memory isn't necessarily allocated during each inference cycle as blocks may
// be reused.
//
// If free_memory_every_cycle is set, then unused shared memory will be freed every cycle
// This is useful for simple inference, but for code that is pipelined
// (e.g. generating inputs for cycle t + 1 during the inference of cycle t), this may not
// be desirable.
//
// If free_memory_every_cycle is false, the user is responsible for periodically calling
// neuropod::free_unused_shm_blocks()
bool free_memory_every_cycle = true;
// This option can be used to run the neuropod in an existing worker process
// If this string is empty, a new worker will be started.
std::string control_queue_name;
} ope_options;
// The device to run this Neuropod on.
// Some devices are defined in the namespace above. For machines with more
// than 8 GPUs, passing in an index will also work (e.g. `9` for `GPU9`).
//
// To attempt to run the model on CPU, set this to `Device::CPU`
NeuropodDevice visible_device = Device::GPU0;
// Sometimes, it's important to be able to instantiate a Neuropod without
// immediately loading the model. If this is set to `false`, the model will
// not be loaded until the `load_model` method is called on the Neuropod.
bool load_model_at_construction = true;
// Whether or not to disable shape and type checking when running inference
bool disable_shape_and_type_checking = false;
};
} // namespace neuropod