More eagerly merge compatible environments. #34583
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Specifically, merge environments that are identical except for their dependencies, but where one environment's dependencies are a superset of the others. This will reduce the number of distinct environments of the same type, and the associated materialization costs of moving between them. Ideally this would be done in a runner for environments that are already co-located on the same worker, but that is a further optimization.
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As well as being very different from the low-level execution details found in common.py, there is no need to compile these (whereas the other structures in common.py are critical to optimize for elementwise efficiency).
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claudevdm
approved these changes
Apr 9, 2025
| with tempfile.TemporaryDirectory() as tmpdir: | ||
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| def make_file(basename, content): | ||
| subdir = tempfile.TemporaryDirectory(dir=tmpdir, delete=False).name |
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Looks like a test is failing because of delete=False. Maybe use tempfile.NamedTemporaryFile?
def make_file(basename, content):
> subdir = tempfile.TemporaryDirectory(dir=tmpdir, delete=False).name
E TypeError: __init__() got an unexpected keyword argument 'delete'
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Specifically, merge environments that are identical except for their dependencies, but where one environment's dependencies are a superset of the others.
This will reduce the number of distinct environments of the same type, and the associated materialization costs of moving between them.
Ideally this would be done in a runner for environments that are already co-located on the same worker, but that is a further optimization.
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