mindspore/model_zoo/official/rl/dqn

• Contents
• DQN Description
• • Model Architecture
  • Dataset
  • Requirements
  • Script Description
  • • Scripts and Sample Code
    • Script Parameter
    • Training Process
    • Evaluation Process
  • Performance
  • • Inference Performance
  • Description of Random Situation
  • ModeZoo Homepage

Contents

• DQN Description
• Model Architecture
• Dataset
• Requirements
• Script Description
  • Script and Sample Code
  • Script Parameters
  • Training Process
  • Evaluation Process
• Model Description
  • Performance
• Description of Random Situation
• ModelZoo Homepage

DQN Description

DQN is the first deep learning model to successfully learn control policies directly from high-dimensional sensory input using reinforcement learning.
Paper Mnih, Volodymyr, Koray Kavukcuoglu, David Silver, Andrei A. Rusu, Joel Veness, Marc G. Bellemare, Alex Graves et al. "Human-level control through deep reinforcement learning." nature 518, no. 7540 (2015): 529-533.

Model Architecture

The overall network architecture of DQN is show below:

Paper

Dataset

Requirements

• Hardware（Ascend/GPU/CPU）

  • Prepare hardware environment with Ascend or GPU processor.

• Framework

  • MindSpore

• For more information, please check the resources below：

  • MindSpore Tutorials
  • MindSpore Python API

• third-party libraries

pip install gym

Script Description

Scripts and Sample Code

├── dqn
  ├── README.md              # descriptions about DQN
  ├── scripts
  │   ├──run_standalone_eval_ascend.sh        # shell script for evaluation with Ascend
  │   ├──run_standalone_eval_gpu.sh         # shell script for evaluation with GPU
  │   ├──run_standalone_train_ascend.sh        # shell script for train with Ascend
  │   ├──run_standalone_train_gpu.sh         # shell script for train with GPU
  ├── src
  │   ├──agent.py             # model agent
  │   ├──config.py           # parameter configuration
  │   ├──dqn.py      # dqn architecture
  ├── train.py               # training script
  ├── eval.py                # evaluation script

Script Parameter

    'gamma': 0.8             # the proportion of choose next state value
    'epsi_high': 0.9         # the highest exploration rate
    'epsi_low': 0.05         # the Lowest exploration rate
    'decay': 200             # number of steps to start learning
    'lr': 0.001              # learning rate
    'capacity': 100000       # the capacity of data buffer
    'batch_size': 512        # training batch size
    'state_space_dim': 4     # the environment state space dim
    'action_space_dim': 2    # the action dim

Training Process

# training example
  python
      Ascend: python train.py --device_target Ascend --ckpt_path ckpt > log.txt 2>&1 &  
      GPU: python train.py --device_target GPU --ckpt_path ckpt > log.txt 2>&1 &  

  shell:
      Ascend: sh run_standalone_train_ascend.sh ckpt
      GPU: sh run_standalone_train_gpu.sh ckpt

Evaluation Process

# evaluat example
  python
      Ascend: python eval.py --device_target Ascend --ckpt_path .ckpt/checkpoint_dqn.ckpt
      GPU: python eval.py --device_target GPU --ckpt_path .ckpt/checkpoint_dqn.ckpt

  shell:
      Ascend: sh run_standalone_eval_ascend.sh .ckpt/checkpoint_dqn.ckpt
      GPU: sh run_standalone_eval_gpu.sh .ckpt/checkpoint_dqn.ckpt

Performance

Inference Performance

Parameters	DQN
Resource	Ascend 910 ；CPU 2.60GHz，192cores；Memory，755G
uploaded Date	03/10/2021 (month/day/year)
MindSpore Version	1.1.0
Training Parameters	batch_size = 512, lr=0.001
Optimizer	RMSProp
Loss Function	MSELoss
outputs	probability
Params (M)	7.3k
Scripts	https://gitee.com/mindspore/mindspore/tree/master/model_zoo/official/rl/dqn

Description of Random Situation

We use random seed in train.py.

ModeZoo Homepage

Please check the official homepage.