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On Windows use Triton cache dir per pytest worker #3041

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On Windows use Triton cache dir per pytest worker #3041

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7 changes: 7 additions & 0 deletions python/test/unit/conftest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,3 +24,10 @@ def fresh_triton_cache():
except OSError:
# Ignore errors, such as PermissionError, on Windows
pass


def pytest_configure(config):
worker_id = os.getenv("PYTEST_XDIST_WORKER")
# On Windows, use a dedicated Triton cache per pytest worker to avoid PermissionError.
if os.name == "nt" and worker_id:
os.environ["TRITON_CACHE_DIR"] = tempfile.mkdtemp(prefix="triton-")
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You could use worker_id as a unique identifier in the name of cache directory.

I could, but worker_id won't help to debug potentials issues, since we still need to know unique/random suffix.