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Skip async mode for standalone executor #45599

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Aug 31, 2022
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31 changes: 14 additions & 17 deletions python/paddle/fluid/executor.py
Original file line number Diff line number Diff line change
Expand Up @@ -1552,17 +1552,22 @@ def _can_use_interpreter_core(program, place):
UserWarning)
return False

compiled = isinstance(program, compiler.CompiledProgram)
compiled = isinstance(program,
compiler.CompiledProgram) or isinstance(
program._graph, compiler.CompiledProgram)
if compiled:
compiled_program = program if isinstance(
program, compiler.CompiledProgram) else program._graph
# Unsupported case 1 : the CompiledProgram is constructed by Graph
if program._program is None:
if compiled_program._program is None:
warnings.warn("Standalone executor is not used for Graph",
UserWarning)
return False

# Unsupported case 2: data parallel
if program._is_data_parallel and len(
program._get_places(place, program._places)) != 1:
if compiled_program._is_data_parallel and len(
compiled_program._get_places(
place, compiled_program._places)) != 1:
warnings.warn(
"Standalone executor is not used for data parallel",
UserWarning)
Expand All @@ -1578,36 +1583,28 @@ def _can_use_interpreter_core(program, place):
return False

# Unsupported case 4: inference
if program._is_inference:
if compiled_program._is_inference:
warnings.warn(
"Standalone executor is not used for inference",
UserWarning)
return False

# Unsupported case 5: CUDA Graph
if program._build_strategy is not None and program._build_strategy.allow_cuda_graph_capture:
if compiled_program._build_strategy is not None and compiled_program._build_strategy.allow_cuda_graph_capture:
warnings.warn(
"Standalone executor is not used for CUDA Graph",
UserWarning)
return False

# Unsupported case 6: distributed
if program._build_strategy is not None and (
program._build_strategy.is_distribution
or program._build_strategy.num_trainers > 1):
# Unsupported case 6: async mode
if compiled_program._build_strategy is not None and compiled_program._build_strategy.async_mode:
warnings.warn(
"Standalone executor is not used for distribution",
"Standalone executor is not used for async mode",
UserWarning)
return False

return use_standalone_executor_for_compiled_program
else:
if isinstance(
program._graph, compiler.CompiledProgram
) and not use_standalone_executor_for_compiled_program:
warnings.warn("Standalone executor is not used for Graph",
UserWarning)
return False
assert isinstance(program, Program)
return True

Expand Down