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2026-07-13 13:18:33 +08:00

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# Copyright (c) Microsoft Corporation.
# SPDX-License-Identifier: Apache-2.0
# BSD 3- Clause License Copyright (c) 2023, Tecorigin Co., Ltd. All rights
# reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# Neither the name of the copyright holder nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY,OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
# WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
# OF SUCH DAMAGE.
# DeepSpeed Team
from .builder import SDAAOpBuilder
try:
import torch
except ImportError as e:
pass
class SDAAFusedAdam:
@staticmethod
def multi_tensor_adam(chunk_size, noop_flag_buffer, tensor_lists, lr, beta1, beta2, epsilon, step, adam_w_mode,
bias_correction, weight_decay, *args):
g_tensor_lis, p_tensor_lis, m_tensor_lis, v_tensor_lis = tensor_lists
torch.ops.sdaa.fused_adam(g_tensor_lis, p_tensor_lis, m_tensor_lis, v_tensor_lis, [], beta1, beta2, epsilon,
lr, weight_decay, adam_w_mode, step, bias_correction)
class FusedAdamBuilder(SDAAOpBuilder):
BUILD_VAR = "DS_BUILD_FUSED_ADAM"
NAME = "fused_adam"
def __init__(self):
super().__init__(name=self.NAME)
def absolute_name(self):
return f'deepspeed.ops.adam.{self.NAME}_op'
def sources(self):
return []
def include_paths(self):
return []
def load(self, verbose=True):
return SDAAFusedAdam