Files
deepmind-research/nfnets/test.py
Louise Deason abc9ba0635 Initial release of "nfnets".
PiperOrigin-RevId: 356975781
2021-02-11 16:42:59 +00:00

36 lines
1.4 KiB
Python

# Copyright 2020 DeepMind Technologies Limited. 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.
# ==============================================================================
"""Quick script to test that experiment can import and run."""
import jax
import jax.numpy as jnp
from nfnets import experiment
config = experiment.get_config()
exp_config = config.experiment_kwargs.config
exp_config.train_batch_size = 2
exp_config.eval_batch_size = 2
exp_config.lr = 0.1
exp_config.fake_data = True
exp_config.model_kwargs.width = 2
print(exp_config.model_kwargs)
xp = experiment.Experiment('train', exp_config, jax.random.PRNGKey(0))
bcast = jax.pmap(lambda x: x)
global_step = bcast(jnp.zeros(jax.local_device_count()))
rng = bcast(jnp.stack([jax.random.PRNGKey(0)] * jax.local_device_count()))
print('Taking a single experiment step for test purposes!')
result = xp.step(global_step, rng)
print(f'Step successfully taken, resulting metrics are {result}')