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5032722 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | #!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Wed Jan 29 19:27:33 2025
"""
import optax
import numpy as np
def build_optimizer(args):
config = args.optimizer_config
learning_rate = optax.warmup_cosine_decay_schedule(init_value= config['init_value'],
peak_value= config['peak_value'],
end_value = config['end_value'],
warmup_steps= config['warmup_steps'],
decay_steps= args.num_epochs)
base_optimizer = optax.adamw(learning_rate = learning_rate,
weight_decay = config['weight_decay'])
tx = optax.MultiSteps(opt = base_optimizer,
every_k_schedule = config['every_k_schedule'])
return tx
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