Cosmos3-Edge-Policy-DROID โ€” FastWAM two-pass v3 (RoboLab ์ฆ๊ฑฐ ๊ธฐ๋ฐ˜ ๋ ˆ์‹œํ”ผ ์ˆ˜์ •), step 36000

geonmin-kim/Cosmos3-Edge-Policy-DROID-FastWAM-v1-step25000(RoboLab 27.1%, ์ตœ๊ณ  FastWAM)์—์„œ warm startํ•œ two-pass FastWAM fine-tune (v3) ์ค‘๊ฐ„ ์ฒดํฌํฌ์ธํŠธ์ž…๋‹ˆ๋‹ค. ๊ณ„ํš๋œ 100000 iter ์ค‘ 36% ์ง€์ ์ด๋ฉฐ ํ•™์Šต์€ ๊ณ„์† ์ง„ํ–‰ ์ค‘์ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ํ‰๊ฐ€์šฉ ์Šค๋ƒ…์ƒท์ด์ง€ ์ตœ์ข… ์‚ฐ์ถœ๋ฌผ์ด ์•„๋‹™๋‹ˆ๋‹ค.

  • step๋ณ„ ํ•˜์œ„ ํด๋”(step36000/)์— ๋ˆ„์ . ๋ฃจํŠธ README๋Š” ๊ฐ€์žฅ ์ตœ๊ทผ step์„ ๊ฐ€๋ฆฌํ‚ต๋‹ˆ๋‹ค.
  • EMA ๊ฐ€์ค‘์น˜ ๊ธฐ์ค€ export, training state ์—†์Œ โ€” pretrained model ํŒŒ์ผ๋งŒ.

v1lr/v2์—์„œ ๋ฌด์—‡์„ ๋ฐ”๊ฟจ๊ณ  ์™œ

RoboLab ๋ฒค์น˜๋งˆํฌ(12 ํƒœ์Šคํฌ ร— 8 arm, n=96) ๊ฒฐ๊ณผ๊ฐ€ ๊ทผ๊ฑฐ์ž…๋‹ˆ๋‹ค.

arm ์„ฑ๊ณต GRIPPER_HIT_TABLE / ์—ํ”ผ์†Œ๋“œ
nvidia baseline (full WAM) 35/96 (36.5%) 4.5
FastWAM v1 25k (lr 1e-5) 26/96 (27.1%) 6.3
FastWAM v1lr 10k (lr 2e-4) 7/96 45.7

v1lr(lr 2e-4 + ์•ก์…˜ ๋ธŒ๋ฆฟ์ง€ 5ร—)์€ 1500 ์Šคํ…๋ถ€ํ„ฐ 7~8%๋กœ ๋ฌด๋„ˆ์ง€๊ณ  ํ…Œ์ด๋ธ” ์ถฉ๋Œ์ด 10๋ฐฐ โ€” ํ•™์Šต๋ฅ  ๊ณผ๋‹ค๋กœ ์‚ฌ์ „ํ•™์Šต ํ‘œํ˜„์ด ํŒŒ๊ดด๋œ ํŒจํ„ด์ž…๋‹ˆ๋‹ค. v2๋Š” v1lr์˜ lr์„ ์ƒ์†ํ•˜๋ฏ€๋กœ ๊ฐ™์€ ์œ„ํ—˜์„ ์•ˆ๊ณ  ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.

ํ•ญ๋ชฉ v1lr / v2 v3
base nvidia base / v2-step3000 v1-step25000 (๊ฑด๊ฐ•ํ•œ lr ์ด๋ ฅ)
lr 2e-4, ๋ธŒ๋ฆฟ์ง€ 5ร— 1e-5, ๋ธŒ๋ฆฟ์ง€ 5ร— (์œ ํšจ 5e-5๋Š” ์ƒˆ๋กœ ์ ์‘๋œ ์ž‘์€ ๋ชจ๋“ˆ์—๋งŒ)
warm-up 250 1000 (์ˆ˜๋ ด ์ฒดํฌํฌ์ธํŠธ์—์„œ ์žฌ์‹œ์ž‘)
๋ฐ์ดํ„ฐ v2: DROID + IsaacSim 3:1 DROID๋งŒ (success+failure, keep_ranges)
GPU / ๋ฐฐ์น˜ 4 GPU, ๋ฐฐ์น˜ 64 2 GPU, grad_accum 2 โ†’ ๋ฐฐ์น˜ 64 ์œ ์ง€

sim์„ ๋บ€ ์ด์œ : 2 GPU์—์„œ๋Š” RankPartitionedDataLoader๊ฐ€ 3:1์„ 1:1๋กœ๋งŒ ์‹คํ˜„ํ•  ์ˆ˜ ์žˆ์–ด sim ๋น„์ค‘์ด 25%โ†’50%๋กœ ๋‘ ๋ฐฐ๊ฐ€ ๋ฉ๋‹ˆ๋‹ค. sim ๋กœ๋ด‡์€ ํ”„๋ ˆ์ž„๋‹น ์ด๋™๋Ÿ‰์ด DROID์˜ ~6๋ฐฐ๋ผ ์•ก์…˜ ์Šค์ผ€์ผ์„ ํ‚ค์šฐ๋Š” ๋ฐฉํ–ฅ์ด๊ณ , ํ—›์ง‘์Œยทํ…Œ์ด๋ธ” ์ถฉ๋Œ์ด ์ฃผ ์‹คํŒจ ๋ชจ๋“œ์ธ ์ƒํ™ฉ์—์„œ ๊ทธ ์œ„ํ—˜์„ ์ง€๋Š” ๋Œ€์‹  lr ์ˆ˜์ • ํšจ๊ณผ๋งŒ ๊ณ ๋ฆฝํ•ด ๊ด€์ฐฐํ•ฉ๋‹ˆ๋‹ค.

ํ•™์Šต ์„ค์ •

ํ•ญ๋ชฉ ๊ฐ’
experiment action_policy_droid_edge_ft_fastwam_v1lr + optimizer.lr=1e-5 override
two-pass pass B action FM (action_loss_weight=10), pass A vision FM (loss_scale=1)
max_iter 100000 (์ฒดํฌํฌ์ธํŠธ 3,000 iter๋งˆ๋‹ค)
optimizer FusedAdamW, lr 1e-5, action2llm/llm2action/action_modality_embed 5ร—
scheduler LambdaLinear, warm-up 1000, f_max 1.0 โ†’ f_min 0.1 (cycle 25,000)
ํ•™์Šต ๋Œ€์ƒ gen expert + ๋ธŒ๋ฆฟ์ง€ โ€” VLM ๋ฐฑ๋ณธยทVAE ๋™๊ฒฐ
ํ•˜๋“œ์›จ์–ด NVIDIA B300 ร—2, FSDP shard 2, bfloat16, activation checkpointing full

์‚ฌ์šฉ๋ฒ•

from huggingface_hub import snapshot_download
path = snapshot_download("geonmin-kim/Cosmos3-Edge-Policy-DROID-FastWAM-v3", allow_patterns="step36000/*")
ckpt = f"{path}/step36000"
python -m cosmos_framework.scripts.action_policy_server_robolab \
    --checkpoint-path "$ckpt" --port 8000 \
    --format-prompt-as-json True --no-guardrails --drop-generated-vision

ํ‰๊ฐ€์— ๋Œ€ํ•œ ๊ฒฝ๊ณ 

  • loss ๊ณก์„ ์œผ๋กœ ํŒ์ •ํ•˜์ง€ ๋งˆ์‹ญ์‹œ์˜ค โ€” ๋งค์นญํ˜• ๋ชฉ์ ํ•จ์ˆ˜๋ผ ์„ฑ๊ณต/์‹คํŒจ ๋ชจ๋‘ ํ‰ํƒ„ํ•ฉ๋‹ˆ๋‹ค.
  • open-loop MAE๋Š” ์ด ํ”„๋กœ์ ํŠธ์—์„œ ์„ธ ๋ฒˆ ๋ฐฉํ–ฅ์„ ๋ฐ˜๋Œ€๋กœ ๊ฐ€๋ฆฌ์ผฐ์Šต๋‹ˆ๋‹ค. ํŒ์ • ๊ธฐ์ค€์€ RoboLab์ž…๋‹ˆ๋‹ค.
  • n=96์—์„œ ยฑ9pp๋Š” ๋…ธ์ด์ฆˆ ๋ฒ”์œ„์ž…๋‹ˆ๋‹ค. ์ฒดํฌํฌ์ธํŠธ ๋น„๊ต๋Š” ์ ์‘ ์ƒ˜ํ”Œ๋ง(--num-episodes-adaptive 200 --ci-pp-width 0.14)์œผ๋กœ, ์„ ํƒ์€ ๋‹จ์ผ step ๋Œ€์‹  EMA/soup์œผ๋กœ ํ•˜์‹ญ์‹œ์˜ค.
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