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Uses torch._inductor.compile instead of torch.compile in benchmark script to avoid segmentation by Dynamo #1540

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merged 2 commits into from
Dec 11, 2024
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Uses torch._inductor.compile instead of torch.compile in benchmark script to avoid segmentation by Dynamo #1540

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Uses torch._inductor.compile instead of torch.compile in benchmark sc…
kiya00 Dec 11, 2024
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kiya00 Dec 11, 2024
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20 changes: 17 additions & 3 deletions thunder/dynamo/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -780,10 +780,19 @@ def reproducer(
if use_pytest_benchmark:
code_str += f"""import pytest

# NOTE: The reproducer function has already been processed by TorchDynamo.
# If we let it go through TorchDynamo again, it could be segmented further.
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# To avoid this, we directly use Inductor here.
def torch_inductor(fn, inputs):
from torch._inductor import compile as inductor_compile
from torch.fx import symbolic_trace

fx_graph = symbolic_trace(fn)
return inductor_compile(fx_graph, inputs)

bench_executors_dict = {{}}
bench_executors_dict["thunder"]=partial(thunder.jit, {thunder_options_str})
bench_executors_dict["torch.compile"]=torch.compile
bench_executors_dict["dynamo_eager"]=partial(torch.compile, backend="eager")
bench_executors_dict["torch_inductor"]=torch_inductor
bench_executors_dict["eager"]=None
"""
if has_cuda_args:
Expand Down Expand Up @@ -812,7 +821,12 @@ def reproducer(
else:
func_str = f"""{func_str}
mod = DynamoModule()
compiled = mod if executor == None else executor(mod)
if executor == None:
compiled = mod
elif executor == torch_inductor:
compiled = executor(mod, inputs)
else:
compiled = executor(mod)
"""
if not has_cuda_args:
func_str += f"""benchmark(compiled, *inputs)"""
Expand Down
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