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chore: import upstream snapshot with attribution
2026-07-13 12:32:31 +08:00

58 lines
2.0 KiB
Python

# Copyright (c) 2026 LightSeek Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
"""FlashInfer sampling kernels."""
from tokenspeed_kernel.platform import current_platform
from tokenspeed_kernel.registry import error_fn
min_p_sampling_from_probs = error_fn
softmax = error_fn
top_k_renorm_prob = error_fn
top_k_top_p_sampling_from_probs = error_fn
top_k_top_p_sampling_from_logits = error_fn
top_p_renorm_prob = error_fn
top_p_renorm_probs = error_fn
if current_platform().is_nvidia:
try:
from flashinfer.sampling import (
min_p_sampling_from_probs,
top_k_renorm_prob,
top_k_top_p_sampling_from_logits,
top_k_top_p_sampling_from_probs,
top_p_renorm_prob,
top_p_renorm_probs,
)
except ImportError:
pass
try:
from tokenspeed_kernel.thirdparty.cuda.flashinfer_softmax import softmax
except ImportError:
pass
__all__ = [
"min_p_sampling_from_probs",
"softmax",
"top_k_renorm_prob",
"top_k_top_p_sampling_from_logits",
"top_k_top_p_sampling_from_probs",
"top_p_renorm_prob",
"top_p_renorm_probs",
]