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3.84 kB
| # 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 Adagrad(Optimizer1State): | |
| def __init__( | |
| self, | |
| params, | |
| lr=1e-2, | |
| lr_decay=0, | |
| weight_decay=0, | |
| initial_accumulator_value=0, | |
| eps=1e-10, | |
| optim_bits=32, | |
| args=None, | |
| min_8bit_size=4096, | |
| percentile_clipping=100, | |
| block_wise=True, | |
| ): | |
| if not 0.0 <= lr: | |
| raise ValueError("Invalid learning rate: {}".format(lr)) | |
| if not 0.0 <= weight_decay: | |
| raise ValueError( | |
| "Invalid weight_decay value: {}".format(weight_decay) | |
| ) | |
| if not 0.0 <= eps: | |
| raise ValueError("Invalid epsilon value: {}".format(eps)) | |
| if initial_accumulator_value != 0.0: | |
| raise ValueError("Initial accumulator value != 0.0 not supported!") | |
| if lr_decay != 0.0: | |
| raise ValueError("Lr Decay != 0.0 not supported!") | |
| super(Adagrad, self).__init__( | |
| "adagrad", | |
| params, | |
| lr, | |
| (0.0, 0.0), | |
| eps, | |
| weight_decay, | |
| optim_bits, | |
| args, | |
| min_8bit_size, | |
| percentile_clipping, | |
| block_wise, | |
| ) | |
| class Adagrad8bit(Optimizer1State): | |
| def __init__( | |
| self, | |
| params, | |
| lr=1e-2, | |
| lr_decay=0, | |
| weight_decay=0, | |
| initial_accumulator_value=0, | |
| eps=1e-10, | |
| optim_bits=8, | |
| args=None, | |
| min_8bit_size=4096, | |
| percentile_clipping=100, | |
| block_wise=True, | |
| ): | |
| if not 0.0 <= lr: | |
| raise ValueError("Invalid learning rate: {}".format(lr)) | |
| if not 0.0 <= weight_decay: | |
| raise ValueError( | |
| "Invalid weight_decay value: {}".format(weight_decay) | |
| ) | |
| if not 0.0 <= eps: | |
| raise ValueError("Invalid epsilon value: {}".format(eps)) | |
| if initial_accumulator_value != 0.0: | |
| raise ValueError("Initial accumulator value != 0.0 not supported!") | |
| if lr_decay != 0.0: | |
| raise ValueError("Lr Decay != 0.0 not supported!") | |
| assert block_wise | |
| super(Adagrad8bit, self).__init__( | |
| "adagrad", | |
| params, | |
| lr, | |
| (0.0, 0.0), | |
| eps, | |
| weight_decay, | |
| 8, | |
| args, | |
| min_8bit_size, | |
| percentile_clipping, | |
| block_wise, | |
| ) | |
| class Adagrad32bit(Optimizer1State): | |
| def __init__( | |
| self, | |
| params, | |
| lr=1e-2, | |
| lr_decay=0, | |
| weight_decay=0, | |
| initial_accumulator_value=0, | |
| eps=1e-10, | |
| optim_bits=32, | |
| args=None, | |
| min_8bit_size=4096, | |
| percentile_clipping=100, | |
| block_wise=True, | |
| ): | |
| if not 0.0 <= lr: | |
| raise ValueError("Invalid learning rate: {}".format(lr)) | |
| if not 0.0 <= weight_decay: | |
| raise ValueError( | |
| "Invalid weight_decay value: {}".format(weight_decay) | |
| ) | |
| if not 0.0 <= eps: | |
| raise ValueError("Invalid epsilon value: {}".format(eps)) | |
| if initial_accumulator_value != 0.0: | |
| raise ValueError("Initial accumulator value != 0.0 not supported!") | |
| if lr_decay != 0.0: | |
| raise ValueError("Lr Decay != 0.0 not supported!") | |
| super(Adagrad32bit, self).__init__( | |
| "adagrad", | |
| params, | |
| lr, | |
| (0.0, 0.0), | |
| eps, | |
| weight_decay, | |
| 32, | |
| args, | |
| min_8bit_size, | |
| percentile_clipping, | |
| block_wise, | |
| ) | |