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[AutoScheduler][FIX] Fix exception handling in measure.py #8754

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Merged
junrushao merged 4 commits into from
Aug 17, 2021
+11 −13
Merged

[AutoScheduler][FIX] Fix exception handling in measure.py #8754

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d3957b2
fix exception handling
Aug 15, 2021
d911860
fix linting
Aug 15, 2021
2290084
stringify the exception from MapResult
Aug 16, 2021
babbf2c
use repr instead if str
Aug 16, 2021
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24 changes: 11 additions & 13 deletions python/tvm/auto_scheduler/measure.py
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Original file line number Diff line number Diff line change
Expand Up @@ -659,21 +659,13 @@ def local_build_worker(args):
res : BuildResult
The build result of this Builder thread.
"""
inp, build_func, timeout, verbose = args
inp, build_func, verbose = args
assert build_func == BuildFunc.name, (
"BuildFunc.name: " + BuildFunc.name + ", but args is: " + build_func
)
build_func = BuildFunc.build_func

try:
res = _local_build_worker(inp, build_func, verbose)
# pylint: disable=broad-except
except Exception:
if verbose >= 1:
print(".E", end="", flush=True) # Build error
res = None, [], MeasureErrorNo.COMPILE_HOST, make_traceback_info(), timeout

return res
return _local_build_worker(inp, build_func, verbose)


@tvm._ffi.register_func("auto_scheduler.local_builder.build")
Expand Down Expand Up @@ -707,7 +699,6 @@ def local_builder_build(inputs, timeout, n_parallel, build_func="default", verbo
(
i.serialize(),
build_func,
timeout,
verbose,
)
for i in inputs
Expand All @@ -718,11 +709,18 @@ def local_builder_build(inputs, timeout, n_parallel, build_func="default", verbo
for res in tuple_res:
if res.status == StatusKind.COMPLETE:
results.append(BuildResult(*res.value))
else:
assert res.status == StatusKind.TIMEOUT
elif res.status == StatusKind.TIMEOUT:
if verbose >= 1:
print(".T", end="", flush=True) # Build timeout
results.append(BuildResult(None, [], MeasureErrorNo.BUILD_TIMEOUT, None, timeout))
elif res.status == StatusKind.EXCEPTION:
if verbose >= 1:
print(".E", end="", flush=True) # Build error
results.append(
BuildResult(None, [], MeasureErrorNo.COMPILE_HOST, repr(res.value), timeout)
)
else:
raise ValueError("Result status is not expected. Unreachable branch")

return results

Expand Down