From 7439924891496025edf60c9da6a782f362a50c70 Mon Sep 17 00:00:00 2001 From: Tim Dettmers Date: Tue, 5 Oct 2021 19:16:20 -0700 Subject: Initial commit --- bitsandbytes/optim/lamb.py | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 bitsandbytes/optim/lamb.py (limited to 'bitsandbytes/optim/lamb.py') diff --git a/bitsandbytes/optim/lamb.py b/bitsandbytes/optim/lamb.py new file mode 100644 index 0000000..b8d4b1e --- /dev/null +++ b/bitsandbytes/optim/lamb.py @@ -0,0 +1,29 @@ +# 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. +import apex +from bitsandbytes.optim.optimizer import Optimizer2State + +class LAMB(Optimizer2State): + def __init__(self, params, lr=1e-3, bias_correction=True, betas=(0.9, 0.999), eps=1e-8, + weight_decay=0, amsgrad=False, adam_w_mode=True, optim_bits=32, args=None, + min_8bit_size=4096, percentile_clipping=100, block_wise=False, max_unorm=1.0): + super(LAMB, self).__init__('lamb', params, lr, betas, eps, + weight_decay, optim_bits, args, min_8bit_size, percentile_clipping, block_wise, max_unorm=1.0) + +class LAMB8bit(Optimizer2State): + def __init__(self, params, lr=1e-3, bias_correction=True, betas=(0.9, 0.999), eps=1e-8, + weight_decay=0, amsgrad=False, adam_w_mode=True, args=None, + min_8bit_size=4096, percentile_clipping=100, block_wise=False, max_unorm=1.0): + super(LAMB8bit, self).__init__('lamb', params, lr, betas, eps, + weight_decay, 8, args, min_8bit_size, percentile_clipping, block_wise, max_unorm=1.0) + +class LAMB32bit(Optimizer2State): + def __init__(self, params, lr=1e-3, bias_correction=True, betas=(0.9, 0.999), eps=1e-8, + weight_decay=0, amsgrad=False, adam_w_mode=True, args=None, + min_8bit_size=4096, percentile_clipping=100, block_wise=False, max_unorm=1.0): + super(LAMB32bit, self).__init__('lamb', params, lr, betas, eps, + weight_decay, 32, args, min_8bit_size, percentile_clipping, block_wise, max_unorm=1.0) + + -- cgit v1.2.3