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PhoenixHu/
grpo_stable_reasoning_nolow_0722_075_1200steps_lora64_withlow_0723

Name: grpo_stable_reasoning_nolow_0722_075_1200steps_lora64_withlow_0723
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grpo_stable_reasoning_nolow_0722_075_1200steps_lora64_withlow_0723

GRPO RL checkpoints for a SimLingo-style driving VLA (InternVL2-1B + continuous speed-waypoint head).

Variant: nolow pool + low-speed samples re-included (withlow), ratio 0.75, 1200-step schedule, LLM LoRA rank 64.

Each checkpoints/stepNNN.ckpt/pytorch_model.pt = consolidated fp32 state_dict.
.hydra/config.yaml = the training config — required to rebuild the model architecture for eval.

file	step
`checkpoints/step500.ckpt/pytorch_model.pt`	500
`checkpoints/step600.ckpt/pytorch_model.pt`	600
`checkpoints/step1000.ckpt/pytorch_model.pt`	1000

python

import torch
sd = torch.load("checkpoints/step1000.ckpt/pytorch_model.pt", map_location="cpu")

Only steps 500 / 600 / 1000 are published. rollouts.jsonl (RL training telemetry) is not included.