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# 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, is_paged=False):
super().__init__( "adam", params, lr, betas, eps, weight_decay, optim_bits, args, min_8bit_size, percentile_clipping, block_wise, is_paged=is_paged )
class AdamW8bit(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, is_paged=False):
super().__init__( "adam", params, lr, betas, eps, weight_decay, 8, args, min_8bit_size, percentile_clipping, block_wise, is_paged=is_paged )
class AdamW32bit(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, is_paged=False):
super().__init__( "adam", params, lr, betas, eps, weight_decay, 32, args, min_8bit_size, percentile_clipping, block_wise, is_paged=is_paged)
class PagedAdamW(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().__init__( "adam", params, lr, betas, eps, weight_decay, optim_bits, args, min_8bit_size, percentile_clipping, block_wise, is_paged=True)
class PagedAdamW8bit(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().__init__( "adam", params, lr, betas, eps, weight_decay, 8, args, min_8bit_size, percentile_clipping, block_wise, is_paged=True)
class PagedAdamW32bit(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().__init__( "adam", params, lr, betas, eps, weight_decay, 32, args, min_8bit_size, percentile_clipping, block_wise, is_paged=True)
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