Update gemma_backbone.py for sharding config. #1491
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PTAL again. |
mattdangerw
approved these changes
Mar 12, 2024
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Ack, I will leave the PR here and feel free to merge it when ready. |
abuelnasr0
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Apr 2, 2024
* Update gemma_backbone.py for sharding config. * Update unit test and fix format. * Update sharding spec for gemma based on gemma training.
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This is trying to address the #1464.
The new setting is based on the Gemma training script internally.
Here is some perf benchmark on TPU v3-8:
(Smaller value are better)
===================
base line (current setting):
generate: 1342 ms per 100 token
finetune with lora: 125ms/step
=====================
This PR setting
generate: 1245 ms per 100 token
finetune with lora: 64ms/step