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[MetaSchedule] Enable subprocess to stdout for DEBUG level #15532

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Merged
Hzfengsy merged 1 commit into from
Aug 12, 2023
Merged

[MetaSchedule] Enable subprocess to stdout for DEBUG level #15532

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7 changes: 6 additions & 1 deletion python/tvm/meta_schedule/runner/local_runner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
# specific language governing permissions and limitations
# under the License.
"""Local Runner"""
import logging
from contextlib import contextmanager
from typing import Callable, List, Optional, Union
import subprocess
Expand Down Expand Up @@ -273,12 +274,16 @@ def __init__(
self.f_run_evaluator = f_run_evaluator
self.f_cleanup = f_cleanup

err_path = subprocess.DEVNULL
if logger.root.level <= logging.DEBUG:
err_path = subprocess.STDOUT

logger.info("LocalRunner: max_workers = 1")
self.pool = PopenPoolExecutor(
max_workers=1, # one local worker
timeout=timeout_sec,
initializer=initializer,
stderr=subprocess.DEVNULL, # suppress the stderr output
stderr=err_path, # suppress the stderr output
)
self._sanity_check()

Expand Down