116 lines
2.8 KiB
Python
116 lines
2.8 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 Optimizer1State
|
|
|
|
|
|
class RMSprop(Optimizer1State):
|
|
def __init__(
|
|
self,
|
|
params,
|
|
lr=1e-2,
|
|
alpha=0.99,
|
|
eps=1e-8,
|
|
weight_decay=0,
|
|
momentum=0,
|
|
centered=False,
|
|
optim_bits=32,
|
|
args=None,
|
|
min_8bit_size=4096,
|
|
percentile_clipping=100,
|
|
block_wise=True,
|
|
):
|
|
if alpha == 0:
|
|
raise NotImplementedError(
|
|
f"RMSprop with alpha==0.0 is not supported!"
|
|
)
|
|
if centered:
|
|
raise NotImplementedError(f"Centered RMSprop is not supported!")
|
|
super(RMSprop, self).__init__(
|
|
"rmsprop",
|
|
params,
|
|
lr,
|
|
(alpha, momentum),
|
|
eps,
|
|
weight_decay,
|
|
optim_bits,
|
|
args,
|
|
min_8bit_size,
|
|
percentile_clipping,
|
|
block_wise,
|
|
)
|
|
|
|
|
|
class RMSprop8bit(Optimizer1State):
|
|
def __init__(
|
|
self,
|
|
params,
|
|
lr=1e-2,
|
|
alpha=0.99,
|
|
eps=1e-8,
|
|
weight_decay=0,
|
|
momentum=0,
|
|
centered=False,
|
|
args=None,
|
|
min_8bit_size=4096,
|
|
percentile_clipping=100,
|
|
block_wise=True,
|
|
):
|
|
if alpha == 0:
|
|
raise NotImplementedError(
|
|
f"RMSprop with alpha==0.0 is not supported!"
|
|
)
|
|
if centered:
|
|
raise NotImplementedError(f"Centered RMSprop is not supported!")
|
|
super(RMSprop8bit, self).__init__(
|
|
"rmsprop",
|
|
params,
|
|
lr,
|
|
(alpha, momentum),
|
|
eps,
|
|
weight_decay,
|
|
8,
|
|
args,
|
|
min_8bit_size,
|
|
percentile_clipping,
|
|
block_wise,
|
|
)
|
|
|
|
|
|
class RMSprop32bit(Optimizer1State):
|
|
def __init__(
|
|
self,
|
|
params,
|
|
lr=1e-2,
|
|
alpha=0.99,
|
|
eps=1e-8,
|
|
weight_decay=0,
|
|
momentum=0,
|
|
centered=False,
|
|
args=None,
|
|
min_8bit_size=4096,
|
|
percentile_clipping=100,
|
|
block_wise=True,
|
|
):
|
|
|
|
if alpha == 0:
|
|
raise NotImplementedError(
|
|
f"RMSprop with alpha==0.0 is not supported!"
|
|
)
|
|
if centered:
|
|
raise NotImplementedError(f"Centered RMSprop is not supported!")
|
|
super(RMSprop32bit, self).__init__(
|
|
"rmsprop",
|
|
params,
|
|
lr,
|
|
(alpha, momentum),
|
|
eps,
|
|
weight_decay,
|
|
32,
|
|
args,
|
|
min_8bit_size,
|
|
percentile_clipping,
|
|
block_wise,
|
|
)
|