Transformer L18 Depth4 CC-Gate LIBERO no-LoRA fullVLM
30k-step LIBERO finetuned checkpoint for the Transformer action-mixer ablation with pooled ctxD gated conditioning.
Checkpoint
- OpenPI config:
pi05_transformer_ctxd18_gated_fullvlm_libero_5090 - Experiment:
icra_nolora_fullvlm_transformer_gated_l18_depth4_cosine5e5_5e6_b16_acc1_seed42_resub - Step:
30000 - Initializer:
pi05_base_pytorch - Adaptation: full VLM / full vision / full action path, no LoRA
- VLM prefix: L18
- Mixer: Transformer depth4
- Context interface: CC-Gate, pooled ctxD gate
- Training: batch 16, grad accumulation 1, seed 42
- LR schedule: cosine from
5e-5to5e-6over 30k steps - LIBERO eval: seed 7, 50 trials per task, 10 denoising steps
LIBERO Results
| Mixer | Context | Spatial | Object | Goal | LIBERO-10 | Average | Action expert core | Train time | Median latency |
|---|---|---|---|---|---|---|---|---|---|
| Transformer | CC-Gate | 82.8 | 90.6 | 86.8 | 82.6 | 85.7 | 0.030B | 13.69 h | 74.22 ms |
Use
--config-name pi05_transformer_ctxd18_gated_fullvlm_libero_5090
--checkpoint-dir /path/to/checkpoint
The checkpoint includes the LIBERO norm stats under assets/physical-intelligence/libero.