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[pipeline] revisit device check for pipeline #25207

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Merged
younesbelkada merged 2 commits into from
Jul 31, 2023
Merged

[pipeline] revisit device check for pipeline #25207

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bb82354
revisit device check for pipeline
younesbelkada Jul 31, 2023
6c1af43
let's raise an error.
younesbelkada Jul 31, 2023
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12 changes: 10 additions & 2 deletions src/transformers/pipelines/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -775,12 +775,20 @@ def __init__(
self.modelcard = modelcard
self.framework = framework

# `accelerate` device map
hf_device_map = getattr(self.model, "hf_device_map", None)

if hf_device_map is not None and device is not None:
raise ValueError(
"The model has been loaded with `accelerate` and therefore cannot be moved to a specific device. Please "
"discard the `device` argument when creating your pipeline object."
)

# We shouldn't call `model.to()` for models loaded with accelerate
if self.framework == "pt" and device is not None and not (isinstance(device, int) and device < 0):
self.model.to(device)

if device is None:
# `accelerate` device map
hf_device_map = getattr(self.model, "hf_device_map", None)
if hf_device_map is not None:
# Take the first device used by `accelerate`.
device = next(iter(hf_device_map.values()))
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