From 3ac03e448b7673604eb86f619b27521fca55f34d Mon Sep 17 00:00:00 2001
From: zhifu gao <zhifu.gzf@alibaba-inc.com>
Date: 星期四, 21 三月 2024 01:36:39 +0800
Subject: [PATCH] train & finetune llm-asr (#1519)
---
funasr/schedulers/lambdalr_cus.py | 17 ++++++++++++++++-
1 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/funasr/schedulers/lambdalr_cus.py b/funasr/schedulers/lambdalr_cus.py
index 0123cc2..5aad049 100644
--- a/funasr/schedulers/lambdalr_cus.py
+++ b/funasr/schedulers/lambdalr_cus.py
@@ -14,4 +14,19 @@
for base_lr in self.base_lrs
]
else:
- return [base_lr for base_lr in self.base_lrs]
\ No newline at end of file
+ return [base_lr for base_lr in self.base_lrs]
+
+
+class CustomLambdaLR(_LRScheduler):
+ def __init__(self, optimizer, train_config, last_epoch=-1, verbose=False):
+ self.warmup_steps = train_config.warmup_steps
+ self.total_steps = train_config.total_steps
+ super(CustomLambdaLR, self).__init__(optimizer, last_epoch, verbose)
+
+ def get_lr(self):
+ step = self._step_count
+ if step < self.warmup_steps:
+ lr_scale = step / self.warmup_steps
+ else:
+ lr_scale = max(0.0, 1 - (step - self.warmup_steps) / (self.total_steps - self.warmup_steps))
+ return [base_lr * lr_scale for base_lr in self.base_lrs]
--
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