LaWAM ยท RoboCerebra

LaWAM ์›๋ณธ pretrained ๋ชจ๋ธ์„ RoboCerebra ๋ฐ์ดํ„ฐ๋กœ SFTํ•œ ๋ชจ๋ธ์„ ๋ฒ„์ „๋ณ„ ํด๋”๋กœ ๋ชจ์•„ ๋‘๋Š” ์ €์žฅ์†Œ์ž…๋‹ˆ๋‹ค. ๋ฒ„์ „๋งˆ๋‹ค ํ•™์Šต ๋ฐ์ดํ„ฐ, ์ฒดํฌํฌ์ธํŠธ, ํ•™์Šต ์„ค์ •, ๋ฐ์ดํ„ฐ ์„ ์ • ๊ธฐ๋ก์ด ํ•ด๋‹น ํด๋” ์•ˆ์— ํ•จ๊ป˜ ์žˆ์Šต๋‹ˆ๋‹ค.

This repository collects LaWAM policies fine-tuned on RoboCerebra, one folder per version. The first version, train100-aug, is trained on 100 whole long-horizon tasks selected from the official RoboCerebra training split (not the benchmark), with texture and distractor-position rendering augmentation, and validated on 20 disjoint held-out training-split tasks. Closed-loop task success has not been measured yet. Checkpoints are in the original LaWAM .pt format.

๋ฒ„์ „ ๋ชฉ๋ก

๋ฒ„์ „ ํด๋” ํ•™์Šต ๋ฐ์ดํ„ฐ ์ฒดํฌํฌ์ธํŠธ (optimizer updates) ์ƒํƒœ
train100-aug train100-aug/ ๊ณต์‹ RoboCerebra training split์—์„œ ๊ณ ๋ฅธ 100๊ฐœ task + ๋ Œ๋”๋ง ์ฆ๊ฐ• 20,000 / 23,000 / 24,000 / 25,000 ํ•™์Šต ์ค‘๊ฐ„ ์ฒดํฌํฌ์ธํŠธ, ์„ฑ๊ณต๋ฅ  ๋ฏธ์ธก์ •
(์ฐธ๊ณ ) Unified SFT 25k ๋ณ„๋„ ์ €์žฅ์†Œ dn5772/LaWAM-RoboCerebra-Unified-SFT-25k lerobot/robocerebra_unified (benchmark ์‹œ์—ฐ ๊ธฐ๋ฐ˜) 25,000 ์™„๋ฃŒ, ์„ฑ๊ณต๋ฅ  ๋ฏธ์ธก์ •

์ด์ „ Unified SFT ๋ชจ๋ธ๊ณผ ๋ฌด์—‡์ด ๋‹ค๋ฅธ๊ฐ€

Unified SFT 25k (๋ณ„๋„ ์ €์žฅ์†Œ) train100-aug (์ด ์ €์žฅ์†Œ)
๋ฐ์ดํ„ฐ ์ถœ์ฒ˜ lerobot/robocerebra_unified@279f0bc qiukingballball/RoboCerebra@5d2e1e3 RoboCerebra_trainset ์›๋ณธ raw HDF5
Benchmark์™€์˜ ๊ด€๊ณ„ RoboCerebraBench 60๊ฐœ case์™€ category ๊ตฌ์„ฑยทcanonical instruction 135๊ฐœ๊ฐ€ ๋™์ผํ•˜๊ณ , ํ™•์ธํ•œ case(Ideal/case1)์˜ trajectory ๋น„๊ต๊ฐ’ 72/72๊ฐ€ ์ •ํ™•ํžˆ ์ผ์น˜. benchmark ์‹œ์—ฐ์—์„œ ๋งŒ๋“  ๋ฐ์ดํ„ฐ๋กœ ๊ธฐ๋ก๋จ training split๋งŒ ์‚ฌ์šฉ. benchmark์™€ ์ •ํ™• ์ผ์น˜ํ•˜๋Š” segmentยท32-frame ๊ตฌ๊ฐ„ 0๊ฑด (์•„๋ž˜ ๊ฒ€์‚ฌ)
๊ทœ๋ชจ 6,660 episodes / 571,116 frames 16,212 episodes / 1,618,854 frames (100 task ร— ์ฆ๊ฐ• ๋ณ€ํ˜•)
Instruction ... orig tex0 ๊ฐ™์€ ๋ณ€ํ˜• tag ํฌํ•จ ๊ณต์‹ subtask ๋ฌธ์žฅ ๊ทธ๋Œ€๋กœ, tag ์—†์Œ
Validation train_split_all=true: validation 66 episodes๊ฐ€ ํ•™์Šต์—๋„ ํฌํ•จ ํ•™์Šต๊ณผ ๊ฒน์น˜์ง€ ์•Š๋Š” ๋ณ„๋„ 20๊ฐœ task, 162 episodes
Action ์ •๊ทœํ™” ํ†ต๊ณ„ unified ๋ฐ์ดํ„ฐ ์ „์ฒด ํ•™์Šต 100 task๋งŒ ์‚ฌ์šฉ
Global batch / ์Šค์ผ€์ค„ 256 / 25k cosine 512 / 60k cosine ์Šค์ผ€์ค„์˜ 25k ์ง€์ 

Unified ๋ชจ๋ธ์„ RoboCerebraBench๋กœ ํ‰๊ฐ€ํ•˜๋ฉด ํ•™์Šต์— ์“ด ์‹œ์—ฐ๊ณผ ๊ฐ™์€ ๊ณ„์—ด์˜ task๋ฅผ ํ‰๊ฐ€ํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค. train100-aug๋Š” benchmark์™€ ๋ถ„๋ฆฌ๋œ training split์œผ๋กœ ํ•™์Šตํ•ด ๋…๋ฆฝ ํ‰๊ฐ€๋ฅผ ๋ชฉ์ ์œผ๋กœ ๋งŒ๋“  ๋ฒ„์ „์ž…๋‹ˆ๋‹ค.


train100-aug

ํ•ญ๋ชฉ ๊ฐ’
์ดˆ๊ธฐ ๋ชจ๋ธ jialei02/lawam_pretrain@62b14a8
์ฝ”๋“œ RLinf/LaWAM@4ea6fda (tracked tree clean) + ๋ฐ์ดํ„ฐ loader wrapper (code/)
ํ•™์Šต ๋ฐ์ดํ„ฐ ๊ณต์‹ training split์˜ 100๊ฐœ long-horizon task โ†’ 1,360 subtask episodes ร— ์ฆ๊ฐ• 12๋ณ€ํ˜•
Validation ํ•™์Šตยทbenchmark์™€ ๊ฒน์น˜์ง€ ์•Š๋Š” training split 20๊ฐœ task, ์ฆ๊ฐ• ์—†์Œ
์ฒดํฌํฌ์ธํŠธ 20,000 / 23,000 / 24,000 / 25,000 optimizer updates, global batch 512
์„ฑ๊ณต๋ฅ  ๋ฏธ์ธก์ •. ์•„๋ž˜ ์ง€ํ‘œ๋Š” ๋ชจ๋‘ offline loss/MSE

1. ์›๋ณธ ๋ฐ์ดํ„ฐ

  • ์ถœ์ฒ˜: qiukingballball/RoboCerebra revision 5d2e1e361bf65aabbe4d18179515f5a10936cc96์˜ RoboCerebra_trainset (Stage-2 raw demo.hdf5 + subtask ์‹œ๊ฐ„ annotation). RLDS export๊ฐ€ ์•„๋‹ˆ๋ผ raw simulator state์—์„œ ์ง์ ‘ ๋‹ค์‹œ ๋ Œ๋”๋งํ–ˆ์Šต๋‹ˆ๋‹ค.
  • ๋ณ€ํ™˜ ๊ธฐ์ค€ ์ฝ”๋“œ: buaa-colalab/RoboCerebra@2573426 rlds_dataset_builder/regenerate_robocerebra_dataset.py์˜ ์ฒ˜๋ฆฌ ๊ทœ์น™์„ ๋”ฐ๋ž์Šต๋‹ˆ๋‹ค.
  • ํ›„๋ณด pool: catalog 1,000 case (coffee_table 796 / kitchen_table 130 / study_table 74) ์ค‘ raw HDF5๊ฐ€ ๊ณต๊ฐœ๋œ 996๊ฐœ. annotation์ด ์ผ๊ด€๋˜์ง€ ์•Š์€ case๋ฅผ ์ˆ˜์ •ํ•˜์ง€ ์•Š๊ณ  ์ œ์™ธํ•ด 958๊ฐœ๊ฐ€ ํ›„๋ณด์ž…๋‹ˆ๋‹ค (42๊ฐœ ์ œ์™ธ: endpoint๊ฐ€ frame ์ˆ˜ ์ดˆ๊ณผ 15, ์ž˜๋ชป๋œ ๋ฒ”์œ„ 20, ๋น„์ฆ๊ฐ€ endpoint 14, ๋น„์—ฐ์† ๊ฒฝ๊ณ„ 13, HDF5 ์—†์Œ 4, TXT/JSON step ์ˆ˜ ๋ถˆ์ผ์น˜ 1; ํ•œ case๊ฐ€ ์—ฌ๋Ÿฌ ์‚ฌ์œ ์— ํ•ด๋‹นํ•  ์ˆ˜ ์žˆ์Œ).

2. 100๊ฐœ task๋ฅผ ๊ณ ๋ฅธ ๊ธฐ์ค€

RoboCerebra ๋…ผ๋ฌธ(NeurIPS 2025) ยง5.1์˜ "100๊ฐœ long task instance๋ฅผ ๊ณ ๋ฅธ ๋’ค temporal annotation์œผ๋กœ ๋‹จ์ผ step sequence๋กœ ๋‚˜๋ˆˆ๋‹ค"๋Š” ํ•™์Šต ํ”„๋กœํ† ์ฝœ์„ ๋”ฐ๋ž์Šต๋‹ˆ๋‹ค. ์ €์ž๋“ค์ด ์‹ค์ œ๋กœ ์“ด 100๊ฐœ ๋ชฉ๋ก๊ณผ ์„ ํƒ ์ฝ”๋“œ๋Š” ๊ณต๊ฐœ๋˜์–ด ์žˆ์ง€ ์•Š์•„, ์•„๋ž˜ ๊ทœ์น™์œผ๋กœ ์ง์ ‘ ๊ณจ๋ž์Šต๋‹ˆ๋‹ค. ์ €์ž ๋ชฉ๋ก์„ ์žฌํ˜„ํ–ˆ๋‹ค๊ณ  ์ฃผ์žฅํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

  1. ์žฅ๋ฉด๋ณ„ ํ• ๋‹น: 1,000-case ๋ถ„ํฌ์— Hamilton ์ตœ๋Œ€์ž‰์—ฌ ๋ฐฐ๋ถ„์„ ์ ์šฉํ•ด coffee_table 80 / kitchen_table 13 / study_table 7.
  2. ์žฅ๋ฉด ์•ˆ ์ˆœ์œ„ (๋‚ด๋ฆผ์ฐจ์ˆœ โ†’ ๋™๋ฅ  ์ฒ˜๋ฆฌ):
    1. subtask ์ˆ˜๊ฐ€ ๋งŽ์€ ์ˆœ
    2. no-op ์ œ๊ฑฐ ํ›„ ๋‚จ๋Š” annotated frame ์ˆ˜๊ฐ€ ๋งŽ์€ ์ˆœ
    3. raw frame ์ˆ˜๊ฐ€ ๋งŽ์€ ์ˆœ
    4. case ๋ฒˆํ˜ธ ์˜ค๋ฆ„์ฐจ์ˆœ
  3. ๋ฌด์ž‘์œ„ ์š”์†Œ๋Š” ์—†์Šต๋‹ˆ๋‹ค. ๋™๋ฅ  ์ฒ˜๋ฆฌ๊ฐ€ ์‹ค์ œ๋กœ ์˜ํ–ฅ์„ ์ค€ ๊ณณ์€ coffee_table๋ฟ์ž…๋‹ˆ๋‹ค (subtask 12๊ฐœ์ธ 45๊ฐœ ์ค‘ 38๊ฐœ ์„ ํƒ).

์ด ๊ทœ์น™์€ subtask๊ฐ€ ๋งŽ์€ ๊ธด task ์ชฝ์œผ๋กœ ์˜๋„์ ์œผ๋กœ ์น˜์šฐ์ณ ์žˆ์Šต๋‹ˆ๋‹ค. ์„ ํƒ๋œ 100๊ฐœ๋Š” 1,360 subtasks / raw 423,113 frames / no-op ์ œ๊ฑฐ ํ›„ 135,845 frames์ด๊ณ , case๋‹น subtask๋Š” 12โ€“23๊ฐœ์ž…๋‹ˆ๋‹ค. ๊ฐ™์€ ์žฅ๋ฉด ํ• ๋‹น์œผ๋กœ ๋ฌด์ž‘์œ„ 100๊ฐœ๋ฅผ ๋ฝ‘์œผ๋ฉด ํ‰๊ท  ์•ฝ 893 subtasks / 90,955 frames์ž…๋‹ˆ๋‹ค.

์„ ํƒ ์ฝ”๋“œ: code/size_longest100_raw_cases.py

์„ ํƒ๋œ 100๊ฐœ task

๊ด„ํ˜ธ ์•ˆ์€ subtask ์ˆ˜์ž…๋‹ˆ๋‹ค. case๋ณ„ frame ์ˆ˜, ์ฆ๊ฐ• ํŒŒ์ผ ์ˆ˜, ์›๋ณธ HDF5 SHA256์€ data/train100_cases.csv์—, 16,212๊ฐœ episode ์ „์ฒด ๋ชฉ๋ก(ํŒŒ์ผยทsubtask ์ˆœ์„œยท๊ธธ์ดยทinstruction)์€ data/train100_episodes.csv์— ์žˆ์Šต๋‹ˆ๋‹ค.

coffee_table (80๊ฐœ, 1,083 subtasks) case502(23), case515(19), case687(18), case663(18), case396(17), case624(17), case513(17), case550(17), case474(17), case220(16), case584(16), case221(16), case473(16), case245(15), case173(15), case539(15), case459(15), case126(15), case563(15), case630(14), case176(14), case781(14), case288(14), case538(14), case144(14), case154(14), case219(14), case573(14), case226(14), case614(14), case391(13), case212(13), case757(13), case631(13), case255(13), case744(13), case794(13), case150(13), case745(13), case427(13), case509(13), case660(13), case562(12), case490(12), case611(12), case395(12), case340(12), case61(12), case330(12), case792(12), case298(12), case751(12), case397(12), case541(12), case110(12), case482(12), case587(12), case407(12), case369(12), case615(12), case440(12), case4(12), case529(12), case113(12), case301(12), case419(12), case697(12), case710(12), case654(12), case503(12), case100(12), case605(12), case510(12), case404(12), case530(12), case290(12), case739(12), case496(12), case152(12), case649(12)

kitchen_table (13๊ฐœ, 181 subtasks) case6(16), case2(16), case34(15), case57(15), case29(14), case69(14), case100(13), case121(13), case120(13), case82(13), case7(13), case46(13), case48(13)

study_table (7๊ฐœ, 96 subtasks) case32(15), case53(14), case37(14), case15(14), case7(13), case28(13), case42(13)

3. Benchmark์™€์˜ ๋…๋ฆฝ์„ฑ ๊ฒ€์‚ฌ

๋น„๊ต ๋Œ€์ƒ: qiukingballball/RoboCerebraBench@4e386b9 60 case / 563 segments.

๊ฒ€์‚ฌ ๋ฒ”์œ„ ๊ฒฐ๊ณผ
ํŒŒ์ผ SHA256 100 case vs 60 case ์ผ์น˜ 0
segment ๋‹จ์œ„ joint7+action7 float32 fingerprint 1,360 vs 563 segments ์ผ์น˜ 0
segment ๋‹จ์œ„ joint7๋งŒ ๋™์ผ ์ผ์น˜ 0
annotation ๊ฒฝ๊ณ„๋ฅผ ๋ฌด์‹œํ•œ stride-1 32-frame ๊ตฌ๊ฐ„ (float64 ์ •ํ™•๊ฐ’, ์†Œ์ˆ˜ 6์ž๋ฆฌ ๋ฐ˜์˜ฌ๋ฆผ) ํ•™์Šต 420,013 vs benchmark 188,750 ๊ตฌ๊ฐ„ ์˜๋ฏธ ์žˆ๋Š” ์ผ์น˜ 0

์ด ๊ฒ€์‚ฌ๋Š” ์ •ํ™•ํ•œ ์ˆ˜์น˜ ๋ณต์ œ๋ฅผ ์ฐพ๋Š” ๊ฒƒ์ด๋ฉฐ, ์˜๋ฏธ์ ์œผ๋กœ ๋น„์Šทํ•œ ์žฅ๋ฉดยท32 frame๋ณด๋‹ค ์งง์€ ๋ณต์ œยท์žฌ๋…นํ™”๊นŒ์ง€ ๋ฐฐ์ œํ•˜์ง€๋Š” ์•Š์Šต๋‹ˆ๋‹ค. RoboCerebra ์ €์ž๋„ GitHub issue #5์—์„œ ์ผ๋ถ€ training ์žฅ๋ฉด์ด ํ‰๊ฐ€ ํ™˜๊ฒฝ๊ณผ ๋งค์šฐ ๊ฐ€๊น๋‹ค๊ณ  ์–ธ๊ธ‰ํ–ˆ์Šต๋‹ˆ๋‹ค.

4. Validation 20๊ฐœ task

  • ์„ ์ •: 958๊ฐœ ํ›„๋ณด์—์„œ ํ•™์Šต 100๊ฐœ๋ฅผ ๋บ€ ๋‚˜๋จธ์ง€ ์ค‘ ์žฅ๋ฉด๋ณ„ coffee 16 / kitchen 3 / study 1๊ฐœ๋ฅผ random.Random(2026)์œผ๋กœ ์„ž์–ด ์•ž์—์„œ๋ถ€ํ„ฐ ๊ณจ๋ž์Šต๋‹ˆ๋‹ค. ํ•™์Šต 100๊ฐœ์™€ benchmark 60๊ฐœ ์ „์ฒด์— ๋Œ€ํ•ด 32-frame joint+action ๊ตฌ๊ฐ„ ์ผ์น˜๊ฐ€ ํ•˜๋‚˜๋ผ๋„ ์žˆ์œผ๋ฉด ๊ฑฐ์ ˆํ•˜๋„๋ก ํ–ˆ๊ณ , ์‹ค์ œ ๊ฑฐ์ ˆ๋œ ํ›„๋ณด๋Š” ์—†์—ˆ์Šต๋‹ˆ๋‹ค. ์ฝ”๋“œ: code/prepare_robocerebra_validation20.py
  • ๊ทœ๋ชจ: 162 episodes / 15,934 frames, case๋‹น subtask 4โ€“10๊ฐœ. ์ฆ๊ฐ• ์—†์ด ์›๋ž˜ textureยท์œ„์น˜(orig_tex0)๋งŒ ๋ Œ๋”๋งํ–ˆ์Šต๋‹ˆ๋‹ค. ์ •๊ทœํ™” ํ†ต๊ณ„ ๊ณ„์‚ฐ์— ์“ฐ์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค.
  • ๋ชฉ๋ก (๊ด„ํ˜ธ๋Š” subtask ์ˆ˜, ์ƒ์„ธ: data/val20_cases.csv, data/val20_episodes.csv)
    • coffee_table: case546(10), case159(8), case681(7), case264(6), case349(10), case718(7), case737(6), case47(9), case506(9), case701(8), case433(7), case691(10), case421(10), case398(8), case547(9), case293(10)
    • kitchen_table: case9(8), case114(6), case81(4)
    • study_table: case68(10)

5. ์ „์ฒ˜๋ฆฌ

๋ Œ๋”๋ง ์ฝ”๋“œ: code/augment_robocerebra_train100.py

ํ•ญ๋ชฉ ์ฒ˜๋ฆฌ
๋ Œ๋”๋ง raw simulator state๋ฅผ ๋ณต์›ํ•ด ๋‹ค์‹œ ๋ Œ๋”๋ง. Panda, OSC_POSE controller, control_freq=20, robosuite 1.4.1, MuJoCo 3.8.1
No-op ์ œ๊ฑฐ ๊ณต์‹ is_noop ๊ทœ์น™: โ€–action[:6]โ€– < 1e-4์ด๊ณ  gripper ๋ช…๋ น์ด ์ง์ „๊ณผ ๊ฐ™์œผ๋ฉด ์ œ๊ฑฐ (423,113 ์ค‘ 287,258 frames ์ œ๊ฑฐ)
Subtask ๋ถ„ํ•  annotation endpoint๋ฅผ ๋‚จ์€ frame ๊ธฐ์ค€์œผ๋กœ ๋งคํ•‘ํ•ด ์ˆœ์„œ๋Œ€๋กœ subtask 1๊ฐœ = episode 1๊ฐœ. ๋ฐ˜๋ณต instruction๋„ ๋ณ„๋„ segment๋กœ ์œ ์ง€
์นด๋ฉ”๋ผ agentview + robot0_eye_in_hand, 256ร—256 RGB, JPEG q95
์ด๋ฏธ์ง€ ๋ฐฉํ–ฅ ๊ณต์‹ RLDS export์™€ ๊ฐ™์ด 180ยฐ ํšŒ์ „์„ 1ํšŒ ์ ์šฉํ•œ ์ƒํƒœ๋กœ ์ €์žฅ
Action ์›๋ณธ 7D OSC_POSE delta ๊ทธ๋Œ€๋กœ: xyz 3 + axis-angle 3 + gripper 1 (โˆ’1 open, +1 close). xyz๋Š” 5.625, ํšŒ์ „์€ 0.225 ๋‹จ์œ„ ๊ฐ’
Instruction ๊ณต์‹ task_description.txt์˜ step ๋ฌธ์žฅ, RLDS builder์ฒ˜๋Ÿผ ๋ ๋งˆ์นจํ‘œ๋งŒ ์ œ๊ฑฐ. ๊ณ ์œ  ๋ฌธ์žฅ 969๊ฐœ
์ฃผํŒŒ์ˆ˜ 20 Hz metadata. no-op ์ œ๊ฑฐ๋กœ ์‹ค์ œ frame ๊ฐ„๊ฒฉ์€ ๋ถˆ๊ท ์ผ (source_frame_index ๋ณด์กด)

6. ๋ฐ์ดํ„ฐ ์ฆ๊ฐ•

๊ฐ task๋ฅผ table texture 3์ข… ร— distractor ๋ฌผ์ฒด ์œ„์น˜ 4์ข… = 12๋ณ€ํ˜•์œผ๋กœ ๋‹ค์‹œ ๋ Œ๋”๋งํ–ˆ์Šต๋‹ˆ๋‹ค. ๊ณต๊ฐœ RoboCerebra ๋ณ€ํ™˜ ์ฝ”๋“œ์˜ ๋ณ€ํ˜• ์ฒด๊ณ„(orig / dxp005 / dyp005 / dym005 ร— tex0โ€“2)๋ฅผ ๋”ฐ๋ž์Šต๋‹ˆ๋‹ค.

์ถ• ๋ณ€ํ˜•
Table texture tex0 martin_novak_wood_table, tex1 Marble062_COL_4K, tex2 table_light_wood (kitchen์€ 512px ๋ฒ„์ „)
Distractor ์œ„์น˜ orig ์›์œ„์น˜, dxp005 x +0.05, dyp005 y +0.05, dym005 y โˆ’0.05 (MuJoCo ์ขŒํ‘œ ๋‹จ์œ„, ๋งค frame์˜ distractor free-joint ์œ„์น˜์— ์ ์šฉ)
  • coffee_table/case615๋Š” raw XML์— distractor joint๊ฐ€ ์—†์–ด texture 3๋ณ€ํ˜•๋งŒ ๋งŒ๋“ค์—ˆ์Šต๋‹ˆ๋‹ค โ†’ 99ร—12 + 1ร—3 = 1,191 HDF5 ํŒŒ์ผ, 16,212 episodes, 1,618,854 frames.
  • ๊ณต๊ฐœ ์ฝ”๋“œ์™€ ๋‹ค๋ฅด๊ฒŒ ์ฒ˜๋ฆฌํ•œ ๋ถ€๋ถ„: study ์žฅ๋ฉด์—์„œ๋Š” ์‹ค์ œ๋กœ ์“ฐ์ด๋Š” tex-desk์— texture๋ฅผ ์ ์šฉํ–ˆ๊ณ  (๊ณต๊ฐœ ์ฝ”๋“œ ๋Œ€์ƒ texture๋Š” ์žฅ๋ฉด์—์„œ ์“ฐ์ด์ง€ ์•Š์•„ ํšจ๊ณผ๊ฐ€ ์—†์Œ), case615๋Š” ๊ธฐ๋ก๋œ joint์™€ ๋งž๋Š” BDDL ์ •์˜๋ฅผ ๊ณจ๋ž์œผ๋ฉฐ, ๋ฐ˜๋ณต subtask๊ฐ€ ๋ฎ์–ด์จ์ง€์ง€ ์•Š๋„๋ก segment๋งˆ๋‹ค ๊ณ ์œ  ID๋ฅผ ๋ถ™์˜€์Šต๋‹ˆ๋‹ค.
  • ์ฃผ์˜: ํ•œ task์˜ 12๋ณ€ํ˜•์€ action์ด ๋ชจ๋‘ ๊ฐ™์Šต๋‹ˆ๋‹ค. 1.6M frames๋Š” 1.6M๊ฐœ์˜ ๋…๋ฆฝ ๋™์ž‘์ด ์•„๋‹ˆ๋ฉฐ, ๊ณ ์œ  ๋™์ž‘ ๊ธฐ์ค€์œผ๋กœ๋Š” 135,845 frames์ž…๋‹ˆ๋‹ค. ๋…ผ๋ฌธ์ด ์ด ์ฆ๊ฐ• ์„ค์ •์„ ์ผ๋‹ค๋Š” ๊ทผ๊ฑฐ๋Š” ์—†์Šต๋‹ˆ๋‹ค.
  • ํŒŒ์ผ๋Ÿฟ(4 case, 39๋ณ€ํ˜•) ๊ฒ€์ฆ 6,234๊ฐœ ํ•ญ๋ชฉ ํ†ต๊ณผ, ์ „์ฒด 1,191 ํŒŒ์ผ readback ํ™•์ธ.

7. ํ•™์Šต ์„ค์ •

ํ•ญ๋ชฉ ๊ฐ’
ํ•™์Šต ๊ธฐ๊ฐ„ 2026-10-07 01:11 KST ์‹œ์ž‘ โ†’ 2026-10-09 13:12 KST 25,000 update ๋„๋‹ฌ (GPU ์ด๋™ยท์ €์žฅยท์žฌ์‹œ์ž‘ ํฌํ•จ)
GPU NVIDIA A100-SXM4-80GB, Accelerate DDP, BF16, SDPA
GPU๋‹น batch / global batch 32 / 512 (GPU ์ˆ˜์— ๋”ฐ๋ผ accumulation์„ ๋ฐ”๊ฟ” ์ „ ๊ตฌ๊ฐ„ 512 ์œ ์ง€)
Optimizer AdamW, betas=(0.9, 0.95), eps=1e-8, weight decay=1e-8, gradient clip 1.0
LR ๋ชจ๋“  group 1e-4, warmup 2,000, cosine_with_min_lr (min 5e-7), ์Šค์ผ€์ค„ ๊ธธ์ด 60,000
์ฒดํฌํฌ์ธํŠธ ์‹œ์  LR 20k: 7.82e-5 ยท 23k: 7.11e-5 ยท 24k: 6.87e-5 ยท 25k: 6.61e-5 (์•„์ง ๊ฐ์‡  ์ดˆ๋ฐ˜)
EMA off
Seed 2026 (rank๋ณ„ seed+rank), ๊ฒฐ์ •์  global anchor sampler
Action ์œ ํšจ horizon 8 (0.4 s ร— 20 Hz), ๋‚ด๋ถ€ padding 50ร—32
์ž…๋ ฅ agentview ํ˜„์žฌยท+7 frame, wrist ํ˜„์žฌ frame, use_state=false, ์ด๋ฏธ์ง€ augmentation off
์ •๊ทœํ™” pose 6์ฐจ์›: ํ•™์Šต 100 task์˜ min/max๋กœ [โˆ’1, 1] min-max. gripper: 0.5 ๊ธฐ์ค€ binary (0=open, 1=close)
๋ชจ๋ธ ๊ตฌ์กฐยทloss ์›๋ณธ LaWAM๊ณผ ๋™์ผ: flow head 16 layers/1024 hidden, perceptual weight 0.1, LAM encoder distill 0.1, repeated_diffusion_steps=2, ์ฒซ 16 LLM layer ์œ ์ง€, embeddingยท๋งˆ์ง€๋ง‰ LLM layer frozen
Parameter ์ด 2,555,179,360 / ํ•™์Šต ๊ฐ€๋Šฅ 1,747,206,144
ํ‰๊ฐ€ 1,000 update๋งˆ๋‹ค, validation frame์— ๊ณ ๋ฅด๊ฒŒ ํผ์ง„ ๊ณ ์ • anchor 2,560๊ฐœ (rank๋‹น 20 batch)
์†Œํ”„ํŠธ์›จ์–ด Python 3.10.20, PyTorch 2.6.0+cu124, Transformers 5.2.0, Accelerate 1.13.0 (์ „์ฒด ๋ชฉ๋ก)

๋ช…๋ชฉ sample ์ˆ˜๋Š” 25,000ร—512 = 12.8M์œผ๋กœ, ์ฆ๊ฐ• ํฌํ•จ frame ๊ธฐ์ค€ ์•ฝ 7.9ํšŒ, ๊ณ ์œ  ๋™์ž‘ frame ๊ธฐ์ค€ ์•ฝ 94ํšŒ ๋ฐ˜๋ณต์— ํ•ด๋‹นํ•ฉ๋‹ˆ๋‹ค.

GPU ๊ตฌ์„ฑ ์ด๋ ฅ

๊ตฌ๊ฐ„ ๋ฌผ๋ฆฌ GPU optimizer updates Accumulation
1โ€“3 4,5,6,7 (4์žฅ) 0 โ†’ 9,763 4
4 0โ€“7 (8์žฅ) 9,763 โ†’ 15,329 2
5โ€“7 0,1,2,3 (4์žฅ) 15,329 โ†’ 19,949 4
8 4,5 (2์žฅ) 19,949 โ†’ 25,000 8

GPU ์ˆ˜๋ฅผ ๋ฐ”๊ฟ€ ๋•Œ๋งˆ๋‹ค modelยทAdamยทschedulerยทRNG ์ „์ฒด ์ƒํƒœ์—์„œ ์ด์–ด์„œ ํ•™์Šตํ–ˆ๊ณ  global batch์™€ data ์ˆœ์„œ ๊ทœ์น™์€ ์œ ์ง€ํ–ˆ์Šต๋‹ˆ๋‹ค. ๋‹ค๋งŒ rank ์ˆ˜์™€ reduction ์ˆœ์„œ๊ฐ€ ๋ฐ”๋€Œ๋ฏ€๋กœ ์ค‘๋‹จ ์—†๋Š” ์‹คํ–‰๊ณผ bitwise ๋™์ผํ•˜์ง€๋Š” ์•Š์Šต๋‹ˆ๋‹ค.

8. ์ฒดํฌํฌ์ธํŠธ์™€ offline ์ง€ํ‘œ

์ฒดํฌํฌ์ธํŠธ Validation action MSE Validation future feature MSE Validation latent distill MSE
steps_20000_pytorch_model.pt 0.015990* 0.053714* 0.062865*
steps_23000_pytorch_model.pt 0.016218* 0.053862* 0.062778*
steps_24000_pytorch_model.pt 0.015641* 0.053753* 0.062055*
steps_25000_pytorch_model.pt ํ‰๊ฐ€ ์—†์Œ โ€“ โ€“

Validation action MSE๋Š” 10-step denoising์œผ๋กœ ๋งŒ๋“  ์ •๊ทœํ™” action๊ณผ ์ •๋‹ต์˜ MSE์ž…๋‹ˆ๋‹ค.

* 19,949 update ์ดํ›„๋Š” GPU 2์žฅ์œผ๋กœ ํ•™์Šตํ•ด ํ‰๊ฐ€ ๋ฒ”์œ„๊ฐ€ ๋‹ค๋ฆ…๋‹ˆ๋‹ค. rank๋‹น ํ‰๊ฐ€ batch๊ฐ€ 20๊ฐœ๋กœ ๊ณ ์ •์ด๋ผ 2์žฅ์—์„œ๋Š” ๊ณ ์ • anchor 2,560๊ฐœ ์ค‘ ์•ž์ชฝ 1,280๊ฐœ๋งŒ ํ‰๊ฐ€๋์Šต๋‹ˆ๋‹ค (4ยท8์žฅ์—์„œ๋Š” 2,560๊ฐœ ์ „๋ถ€). ๊ทธ๋ž˜์„œ 19,000 ์ด์ „ ๊ฐ’๊ณผ ์ง์ ‘ ๋น„๊ตํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค. 25,000์€ ํ•™์Šต ์ข…๋ฃŒ ์ €์žฅ ์‹œ์ ์ด๋ผ ํ‰๊ฐ€๊ฐ€ ์‹คํ–‰๋˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค.

์ „์ฒด 2,560 anchor๋กœ ํ‰๊ฐ€ํ•œ ๊ตฌ๊ฐ„์—์„œ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์•˜์Šต๋‹ˆ๋‹ค (์ „์ฒด ๊ธฐ๋ก: training/metrics.jsonl):

Update 1k 5k 10k 15k 19k
Validation action MSE 0.0191 0.0160 0.0159 0.0156 0.0152
Validation future feature MSE 0.0533 0.0537 0.0556 0.0561 0.0564
Train flow loss (1k ๊ตฌ๊ฐ„ ํ‰๊ท ) 0.0275 0.0138 0.0080 0.0066 0.0057

9. ํ•ด์„ํ•  ๋•Œ ์ฃผ์˜ํ•  ์ 

  • ์„ฑ๊ณต๋ฅ ์€ ์•„์ง ์ธก์ •ํ•˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค. ๋ชจ๋“  ์ˆ˜์น˜๋Š” offline loss/MSE์ด๋ฉฐ, ๋ชจ๋ฐฉํ•™์Šต์—์„œ offline validation loss๋Š” closed-loop ์„ฑ๊ณต๋ฅ ๊ณผ ์ž˜ ๋งž์ง€ ์•Š๋Š” ๊ฒฝ์šฐ๊ฐ€ ๋งŽ์Šต๋‹ˆ๋‹ค.
  • Validation action MSE๋Š” ์•ฝ 5kโ€“7k update ์ดํ›„ ๊ฑฐ์˜ ํ‰ํ‰ํ•ฉ๋‹ˆ๋‹ค (7kโ€“19k ๊ธฐ์šธ๊ธฐ 1,000 update๋‹น โˆ’0.000012, p=0.57). ๊ฐ™์€ ๊ธฐ๊ฐ„ train loss๋Š” ๊ณ„์† ์ค„์—ˆ๊ณ  validation future feature MSE๋Š” ์กฐ๊ธˆ์”ฉ ์˜ฌ๋ž์Šต๋‹ˆ๋‹ค. 100๊ฐœ task์— ๋Œ€ํ•œ ๊ณผ์ ํ•ฉ ์‹ ํ˜ธ๋กœ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
  • LR์ด ์•„์ง ๋†’์€ ์ง€์ (6.6e-5โ€“7.8e-5)์˜ ์ฒดํฌํฌ์ธํŠธ์ž…๋‹ˆ๋‹ค. 60k ์Šค์ผ€์ค„ ๋๊นŒ์ง€ ํ•™์Šตํ•˜๊ฑฐ๋‚˜ LR์„ ๋‚ฎ์ถ”๋Š” ๋งˆ๋ฌด๋ฆฌ ํ•™์Šต์„ ํ•˜๋ฉด ๊ฒฐ๊ณผ๊ฐ€ ๋‹ฌ๋ผ์งˆ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
  • ์—ฌ๋Ÿฌ ์ฒดํฌํฌ์ธํŠธ๋ฅผ ๊ณต๊ฐœํ•˜๋Š” ๊ฒƒ์€ closed-loop ํ‰๊ฐ€๋กœ ์ฒดํฌํฌ์ธํŠธ๋ฅผ ๊ณ ๋ฅด๊ธฐ ์œ„ํ•ด์„œ์ž…๋‹ˆ๋‹ค. 21,000ยท22,000 ์ฒดํฌํฌ์ธํŠธ๋Š” ํ•™์Šต ์ค‘ ๋ณด๊ด€ ์ •์ฑ…์œผ๋กœ ์‚ญ์ œ๋˜์–ด ํฌํ•จํ•˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค.

10. ์‚ฌ์šฉ๋ฒ•

๊ณต์‹ LaWAM loader๋Š” .pt ํŒŒ์ผ์˜ ๋‘ ๋‹จ๊ณ„ ์œ„ ํด๋”์—์„œ config.yaml๊ณผ dataset_statistics.json์„ ์ฝ์Šต๋‹ˆ๋‹ค. ๊ทธ๋ž˜์„œ train100-aug/checkpoints/steps_*.pt ๊ตฌ์กฐ๋ฅผ ์œ ์ง€ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. Hugging Face AutoModel ํ˜•์‹์ด ์•„๋‹ˆ๋ผ ์›๋ณธ LaWAM .pt ํ˜•์‹์ž…๋‹ˆ๋‹ค.

# ์„ค์ •ยทํ†ต๊ณ„ยท์ฝ”๋“œ๋งŒ ๋จผ์ € ๋ฐ›๊ณ , ํ•„์š”ํ•œ ์ฒดํฌํฌ์ธํŠธ๋งŒ ์ถ”๊ฐ€๋กœ ๋ฐ›์Šต๋‹ˆ๋‹ค (๊ฐ 7.2 GB).
hf download dn5772/LaWAM-RoboCerebra \
  --include "train100-aug/*" --exclude "train100-aug/checkpoints/*" \
  --local-dir ./lawam_robocerebra
hf download dn5772/LaWAM-RoboCerebra \
  train100-aug/checkpoints/steps_25000_pytorch_model.pt \
  --local-dir ./lawam_robocerebra

# ์„ ํƒ: ๊ฒฝ๋กœ ์—ฐ๊ฒฐ ์ „์— ๋ฌด๊ฒฐ์„ฑ ํ™•์ธ (๋ฐ›์ง€ ์•Š์€ ์ฒดํฌํฌ์ธํŠธ ์ค„์€ ๋ฌด์‹œ๋จ)
cd lawam_robocerebra/train100-aug && sha256sum -c --ignore-missing SHA256SUMS && cd -

๋กœ๋”๋Š” SFT ๊ฐ€์ค‘์น˜๋ฅผ ์ ์šฉํ•˜๊ธฐ ์ „์— Qwen3-VL-2B, LAM checkpoint, DINOv3 ์ดˆ๊ธฐํ™” ํŒŒ์ผ์„ ๋จผ์ € ์ฝ์Šต๋‹ˆ๋‹ค. ๊ธฐ์กด LaWAM ํ™˜๊ฒฝ์— ์žˆ๋Š” ํŒŒ์ผ ๊ฒฝ๋กœ๋ฅผ ์—ฐ๊ฒฐํ•ฉ๋‹ˆ๋‹ค. prepare_benchmark.py๋Š” PyYAML๋งŒ ์“ฐ๊ณ  ๊ฐ€์ค‘์น˜๋ฅผ ๋ฐ”๊พธ์ง€ ์•Š์œผ๋ฉฐ, training_config.yaml์„ ๋ฐ”ํƒ•์œผ๋กœ config.yaml๊ณผ LAM ์‹คํ–‰ ์„ค์ •์„ ๋‹ค์‹œ ์”๋‹ˆ๋‹ค.

python ./lawam_robocerebra/train100-aug/prepare_benchmark.py \
  --qwen-dir /path/to/Qwen3-VL-2B-Instruct \
  --lam-checkpoint /path/to/lam_release/checkpoints/pytorch_model.pt \
  --dino-dir /path/to/dinov3-vitb16-pretrain-lvd1689m
# LaWAM source(RLinf/LaWAM@4ea6fda)๋ฅผ PYTHONPATH์— ๋‘” ํ™˜๊ฒฝ
from starVLA.model.framework.base_framework import baseframework

policy = baseframework.from_pretrained(
    "/abs/path/lawam_robocerebra/train100-aug/checkpoints/steps_25000_pytorch_model.pt"
).eval().to("cuda")

Policy server๋กœ ๋„์šธ ๋•Œ๋Š” LaWAM source root์—์„œ:

CUDA_VISIBLE_DEVICES=0 python deployment/model_server/server_policy.py \
  --ckpt_path /abs/path/lawam_robocerebra/train100-aug/checkpoints/steps_25000_pytorch_model.pt \
  --port 10093 --use_bf16

RoboCerebra ํ‰๊ฐ€ adapter์—์„œ ๋งž์ถฐ์•ผ ํ•  ๊ฒƒ

ํ•ญ๋ชฉ ๊ฐ’
์ •๊ทœํ™” ํ‚ค franka (์ด ํด๋”์˜ dataset_statistics.json, RoboCerebra ํ•™์Šต 100 task ํ†ต๊ณ„)
Action ์—ญ์ •๊ทœํ™” pose 6์ฐจ์›์€ min/max ์‚ฌ์šฉ (LaWAM ์›๋ณธ client๊ฐ€ min์ด ์žˆ์œผ๋ฉด min/max๋ฅผ ์”€). q01/q99๋‚˜ LIBERO ํ†ต๊ณ„๋กœ ๋ฐ”๊พธ์ง€ ๋งˆ์„ธ์š”
Gripper ๋ชจ๋ธ ์ถœ๋ ฅ 0.5 ๊ธฐ์ค€ binary: 1 โ†’ raw +1 (close), 0 โ†’ raw โˆ’1 (open)
์ถœ๋ ฅ action 8 ร— 7 (๋‚ด๋ถ€ 8 ร— 32 ์ค‘ ์•ž 7์ฐจ์›), OSC_POSE delta ์›๋ณธ ๋‹จ์œ„
์ด๋ฏธ์ง€ agentview + wrist, 256ร—256 RGB, ํ•™์Šต ๋ฐ์ดํ„ฐ์ฒ˜๋Ÿผ 180ยฐ ํšŒ์ „ํ•œ ๋ฐฉํ–ฅ
State ์‚ฌ์šฉํ•˜์ง€ ์•Š์Œ (use_state=false)
Instruction ํ˜„์žฌ subtask ๋ฌธ์žฅ (๋ ๋งˆ์นจํ‘œ ์ œ๊ฑฐ)
Embodiment / ์ฃผํŒŒ์ˆ˜ embodiment_id=25, action_hz=20
์ถ”๋ก  denoising 10 steps, CFG 1.0, 8 action chunk ์‹คํ–‰ ํ›„ ์žฌ์งˆ์˜

๊ณต์‹ loader ๋กœ๋“œ ๊ฒ€์ฆ

steps_20000๊ณผ steps_25000์„ ๋ฐฐํฌ ๊ตฌ์กฐ ๊ทธ๋Œ€๋กœ ์›๋ณธ baseframework.from_pretrained๋กœ CPU์—์„œ ๋กœ๋“œํ–ˆ์Šต๋‹ˆ๋‹ค. 2,157๊ฐœ key์— ๋ˆ„๋ฝยท์ถ”๊ฐ€๊ฐ€ ์—†๊ณ , parameter ์ˆ˜์™€ ์ •๊ทœํ™” ํ†ต๊ณ„๊ฐ€ ์ผ์น˜ํ–ˆ์œผ๋ฉฐ, ๋กœ๋“œ๋œ ๊ฐ€์ค‘์น˜๊ฐ€ ํ•™์Šต ์ฒดํฌํฌ์ธํŠธ์™€ bitwise๋กœ ๊ฐ™์•˜์Šต๋‹ˆ๋‹ค. ํ•™์Šต ์ค‘ ์ €์žฅ๋œ Accelerate model.safetensors(์ค‘๋ณต alias 1,419 key)๋ฅผ ์›๋ณธ LaWAM ํ˜•์‹(2,157 key, alias 738๊ฐœ๋Š” ๊ฐ™์€ storage ๊ณต์œ )์œผ๋กœ ๋ณ€ํ™˜ํ–ˆ๊ณ , ๋ณ€ํ™˜ ์ „ํ›„ ๋ชจ๋“  tensor๊ฐ€ ๋™์ผํ•จ์„ ํ™•์ธํ–ˆ์Šต๋‹ˆ๋‹ค. ๊ธฐ๋ก: training/load_validation.json, training/conversion/

11. ํด๋” ๊ตฌ์กฐ

train100-aug/
โ”œโ”€โ”€ checkpoints/
โ”‚   โ”œโ”€โ”€ steps_20000_pytorch_model.pt   # ๊ฐ 7,174,295,574 bytes, ์›๋ณธ LaWAM .pt
โ”‚   โ”œโ”€โ”€ steps_23000_pytorch_model.pt
โ”‚   โ”œโ”€โ”€ steps_24000_pytorch_model.pt
โ”‚   โ””โ”€โ”€ steps_25000_pytorch_model.pt
โ”œโ”€โ”€ config.yaml                 # ์ถ”๋ก ์šฉ ์„ค์ • (prepare_benchmark.py๊ฐ€ ๊ฒฝ๋กœ๋ฅผ ๊ฐฑ์‹ )
โ”œโ”€โ”€ training_config.yaml        # ์‹ค์ œ ํ•™์Šต ์ˆ˜์น˜, ์ด์‹ ๊ฐ€๋Šฅํ•œ ์ƒ๋Œ€ ๊ฒฝ๋กœ
โ”œโ”€โ”€ dataset_statistics.json     # unnorm key "franka", ํ•™์Šต 100 task ํ†ต๊ณ„
โ”œโ”€โ”€ prepare_benchmark.py        # Qwen / LAM / DINO ๊ฒฝ๋กœ ์—ฐ๊ฒฐ
โ”œโ”€โ”€ assets/dino_large_vae.yaml  # ์‹ค์ œ ์‚ฌ์šฉํ•œ LAM architecture
โ”œโ”€โ”€ data/
โ”‚   โ”œโ”€โ”€ train100_cases.csv      # ์„ ํƒ๋œ 100 task์™€ case๋ณ„ ํ†ต๊ณ„ยท์›๋ณธ SHA256
โ”‚   โ”œโ”€โ”€ train100_episodes.csv   # ํ•™์Šต episode 16,212๊ฐœ ๋ชฉ๋ก
โ”‚   โ”œโ”€โ”€ val20_cases.csv
โ”‚   โ”œโ”€โ”€ val20_episodes.csv
โ”‚   โ””โ”€โ”€ lawam_action_stats.json # ์ •๊ทœํ™”์— ์“ด ์›๋ณธ action ํ†ต๊ณ„
โ”œโ”€โ”€ code/                       # ์„ ํƒยท๋ Œ๋”๋งยท์ฆ๊ฐ•ยทvalidation ์„ ์ •ยทloaderยทํ•™์Šต wrapper ์ฝ”๋“œ
โ”œโ”€โ”€ training/                   # metrics.jsonl, ํ™˜๊ฒฝ, ๋กœ๋“œยท๋ณ€ํ™˜ ๊ฒ€์ฆ ๊ธฐ๋ก
โ””โ”€โ”€ SHA256SUMS

ํ•™์Šต ๋ฐ์ดํ„ฐ(HDF5) ์ž์ฒด๋Š” ์ด ์ €์žฅ์†Œ์— ํฌํ•จํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์œ„ ๋ชฉ๋ก๊ณผ code/์˜ ๋ Œ๋”๋ง ์Šคํฌ๋ฆฝํŠธ๋กœ ๊ณต์‹ training split์—์„œ ๋‹ค์‹œ ๋งŒ๋“ค ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์ถœ์ฒ˜์™€ ๋ผ์ด์„ ์Šค

๊ตฌ์„ฑ ์š”์†Œ๋ณ„ ์›๋ž˜ ๋ผ์ด์„ ์Šค๊ฐ€ ๊ทธ๋Œ€๋กœ ์ ์šฉ๋ฉ๋‹ˆ๋‹ค. LICENSES.md๋ฅผ ํ™•์ธํ•˜์„ธ์š”. ์ด ์ €์žฅ์†Œ๋Š” ๋…๋ฆฝ์ ์ธ ์—ฐ๊ตฌ ๊ฒฐ๊ณผ๋ฌผ์ด๋ฉฐ LaWAMยทRoboCerebra ์ €์ž์˜ ๊ณต์‹ ๋ฐฐํฌ๊ฐ€ ์•„๋‹™๋‹ˆ๋‹ค.

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