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0ebbe7f 609fa8e 0ebbe7f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | # SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: LicenseRef-NvidiaProprietary
#
# NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
# property and proprietary rights in and to this material, related
# documentation and any modifications thereto. Any use, reproduction,
# disclosure or distribution of this material and related documentation
# without an express license agreement from NVIDIA CORPORATION or
# its affiliates is strictly prohibited.
import torch
def pad_along_last_dim(tensor, size):
pad_size = size - tensor.shape[-1]
if pad_size <= 0:
return tensor
padding = torch.zeros(*tensor.shape[:-1], pad_size, dtype=tensor.dtype, device=tensor.device)
return torch.cat([tensor, padding], dim=-1)
def maybe_truncate_last_dim(tensor, size):
if size >= tensor.shape[-1]:
return tensor
return tensor[..., :size]
return tensor[..., :size]
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