#   Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
#
# 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.

config = {
    #==========  remote config ==========
    'server_ip': 'localhost',
    'server_port': 8037,

    #==========  env config ==========
    'env_name': 'PongNoFrameskip-v4',
    'env_dim': 42,

    #==========  learner config ==========
    'train_batch_size': 128,
    'max_predict_batch_size': 16,
    'predict_thread_num': 2,
    't_max': 5,
    'gamma': 0.99,
    'lambda': 1.0,  # GAE

    # learning rate adjustment schedule: (train_step, learning_rate)
    'lr_scheduler': [(0, 0.0005), (100000, 0.0003), (200000, 0.0001)],

    # coefficient of policy entropy adjustment schedule: (train_step, coefficient)
    'entropy_coeff_scheduler': [(0, -0.01)],
    'vf_loss_coeff': 0.5,
    'log_metrics_interval_s': 10,
}