Files
2026-07-13 13:17:40 +08:00

28 lines
706 B
Python

# flake8: noqa
# fmt: off
# __resource_allocation_1_begin__
import ray
from ray import tune
# This workload will use spare cluster resources for execution.
def objective(*args):
ray.data.range(10).show()
# Create a cluster with 4 CPU slots available.
ray.init(num_cpus=4)
# By setting `max_concurrent_trials=3`, this ensures the cluster will always
# have a sparse CPU for Dataset. Try setting `max_concurrent_trials=4` here,
# and notice that the experiment will appear to hang.
tuner = tune.Tuner(
tune.with_resources(objective, {"cpu": 1}),
tune_config=tune.TuneConfig(
num_samples=1,
max_concurrent_trials=3
)
)
tuner.fit()
# __resource_allocation_1_end__
# fmt: on