38 lines
2.0 KiB
Python
38 lines
2.0 KiB
Python
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# Copyright (c) Facebook, Inc. and its affiliates.
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#
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# This source code is licensed under the MIT license found in the
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# LICENSE file in the root directory of this source tree.
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import torch
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from bitsandbytes.optim.optimizer import Optimizer1State
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class RMSprop(Optimizer1State):
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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,
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min_8bit_size=4096, percentile_clipping=100, block_wise=True):
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if alpha == 0:
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raise NotImplementError(f'RMSprop with alpha==0.0 is not supported!')
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if centered:
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raise NotImplementError(f'Centered RMSprop is not supported!')
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super(RMSprop, self).__init__('rmsprop', params, lr, (alpha, momentum), eps,
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weight_decay, optim_bits, args, min_8bit_size, percentile_clipping, block_wise)
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class RMSprop8bit(Optimizer1State):
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def __init__(self, params, lr=1e-2, alpha=0.99, eps=1e-8, weight_decay=0, momentum=0, centered=False, args=None,
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min_8bit_size=4096, percentile_clipping=100, block_wise=True):
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if alpha == 0:
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raise NotImplementError(f'RMSprop with alpha==0.0 is not supported!')
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if centered:
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raise NotImplementError(f'Centered RMSprop is not supported!')
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super(RMSprop8bit, self).__init__('rmsprop', params, lr, (alpha, momentum), eps,
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weight_decay, 8, args, min_8bit_size, percentile_clipping, block_wise)
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class RMSprop32bit(Optimizer1State):
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def __init__(self, params, lr=1e-2, alpha=0.99, eps=1e-8, weight_decay=0, momentum=0, centered=False, args=None,
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min_8bit_size=4096, percentile_clipping=100, block_wise=True):
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if alpha == 0:
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raise NotImplementError(f'RMSprop with alpha==0.0 is not supported!')
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if centered:
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raise NotImplementError(f'Centered RMSprop is not supported!')
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super(RMSprop32bit, self).__init__('rmsprop', params, lr, (alpha, momentum), eps,
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weight_decay, 32, args, min_8bit_size, percentile_clipping, block_wise)
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