8000 [Dyamo] Replace unimplemented with unimplemented_v2 for variables/distributed by yanboliang · Pull Request #148500 · pytorch/pytorch · GitHub
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[Dyamo] Replace unimplemented with unimplemented_v2 for variables/distributed #148500

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[Dyamo] Replace unimplemented with unimplemented_v2 for variables/distributed #148500

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20 changes: 17 additions & 3 deletions torch/_dynamo/variables/distributed.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@

from .. import compiled_autograd, variables
from .._trace_wrapped_higher_order_op import trace_wrapped
from ..exc import unimplemented
from ..exc import unimplemented_v2
from ..external_utils import call_module_hooks_from_backward_state
from ..guards import GuardBuilder, install_guard
from ..source import AttrSource
Expand All @@ -56,7 +56,14 @@ class DistributedVariable(VariableTracker):
def __init__(self, value, **kwargs) -> None:
super().__init__(**kwargs)
if not DistributedVariable.is_available():
unimplemented("torch.distributed package is not available!")
unimplemented_v2(
gb_type="torch.distributed package is not available!",
context="",
explanation="The PyTorch package doesn't include torch.distributed when builing from source.",
hints=[
"Set USE_DISTRIBUTED=1 to enable it when building PyTorch from source."
],
)
self.value = value

def python_type(self):
Expand Down Expand Up @@ -339,7 +346,14 @@ def create(
user_pre_hooks: VariableTracker,
):
if not compiled_autograd.compiled_autograd_enabled:
unimplemented("module-level backwards hooks require compiled autograd")
unimplemented_v2(
gb_type="Module-level backwards hooks require compiled autograd.",
context="",
explanation="",
hints=[
"Enable compiled autograd by setting torch._dynamo.config.compiled_autograd = True."
],
)

def _in_graph_bw_hooks(bw_state: BackwardState):
"""
Expand Down
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