forked from mrq/bitsandbytes-rocm
94 lines
2.0 KiB
Python
94 lines
2.0 KiB
Python
# Copyright (c) Facebook, Inc. and its affiliates.
|
|
#
|
|
# This source code is licensed under the MIT license found in the
|
|
# LICENSE file in the root directory of this source tree.
|
|
from bitsandbytes.optim.optimizer import Optimizer2State
|
|
|
|
|
|
class AdamW(Optimizer2State):
|
|
def __init__(
|
|
self,
|
|
params,
|
|
lr=1e-3,
|
|
betas=(0.9, 0.999),
|
|
eps=1e-8,
|
|
weight_decay=1e-2,
|
|
amsgrad=False,
|
|
optim_bits=32,
|
|
args=None,
|
|
min_8bit_size=4096,
|
|
percentile_clipping=100,
|
|
block_wise=True,
|
|
):
|
|
super(AdamW, self).__init__(
|
|
"adam",
|
|
params,
|
|
lr,
|
|
betas,
|
|
eps,
|
|
weight_decay,
|
|
optim_bits,
|
|
args,
|
|
min_8bit_size,
|
|
percentile_clipping,
|
|
block_wise,
|
|
)
|
|
|
|
|
|
class AdamW8bit(Optimizer2State):
|
|
def __init__(
|
|
self,
|
|
params,
|
|
lr=1e-3,
|
|
betas=(0.9, 0.999),
|
|
eps=1e-8,
|
|
weight_decay=1e-2,
|
|
amsgrad=False,
|
|
args=None,
|
|
min_8bit_size=4096,
|
|
percentile_clipping=100,
|
|
block_wise=True,
|
|
):
|
|
super(AdamW8bit, self).__init__(
|
|
"adam",
|
|
params,
|
|
lr,
|
|
betas,
|
|
eps,
|
|
weight_decay,
|
|
8,
|
|
args,
|
|
min_8bit_size,
|
|
percentile_clipping,
|
|
block_wise,
|
|
)
|
|
|
|
|
|
class AdamW32bit(Optimizer2State):
|
|
def __init__(
|
|
self,
|
|
params,
|
|
lr=1e-3,
|
|
betas=(0.9, 0.999),
|
|
eps=1e-8,
|
|
weight_decay=1e-2,
|
|
amsgrad=False,
|
|
args=None,
|
|
min_8bit_size=4096,
|
|
percentile_clipping=100,
|
|
block_wise=True,
|
|
):
|
|
super(AdamW32bit, self).__init__(
|
|
"adam",
|
|
params,
|
|
lr,
|
|
betas,
|
|
eps,
|
|
weight_decay,
|
|
32,
|
|
args,
|
|
min_8bit_size,
|
|
percentile_clipping,
|
|
block_wise,
|
|
)
|