[Paper Review] Majority of the Bests: Improving Best-of-N via Bootstrapping
๐Ÿ—ณ๏ธ

[Paper Review] Majority of the Bests: Improving Best-of-N via Bootstrapping

Tags
LLM Reasoning
Test-time Scaling
Efficient Inference
AI
Published
March 8, 2026
Author

๋ฌธ์ œ

LLM์—์„œ N๊ฐœ ์ถœ๋ ฅ์„ ์ƒ์„ฑํ•œ ๋’ค Reward Model๋กœ ์ตœ๊ณ  ์ ์ˆ˜ ์ถœ๋ ฅ์„ ์„ ํƒํ•˜๋Š” Best-of-N(BoN)์€, Reward Model์ด ๋ถˆ์™„์ „ํ•  ๊ฒฝ์šฐ ์ •๋‹ต ์„ ํƒ ํ™•๋ฅ ์ด 80% ์ดํ•˜๋กœ ๋–จ์–ด์ง€๋ฉฐ N์„ ์•„๋ฌด๋ฆฌ ํ‚ค์›Œ๋„ ๊ฐœ์„ ์ด ์ œํ•œ์ ์ž…๋‹ˆ๋‹ค.

๋ฐฉ์•ˆ

BoN์˜ ์ถœ๋ ฅ์„ ํ•˜๋‚˜์˜ ํ™•๋ฅ  ๋ถ„ํฌ๋กœ ๊ฐ„์ฃผํ•˜๊ณ , ๋ถ€ํŠธ์ŠคํŠธ๋ž˜ํ•‘ ๊ธฐ๋ฒ•์„ ๊ธฐ๋ฐ˜์œผ๋กœ ํ•œ ๋ณต์› ์ถ”์ถœ๋กœ ์ด ๋ถ„ํฌ๋ฅผ ์ถ”์ •ํ•œ ๋’ค ์ตœ๋นˆ๊ฐ’์„ ์ตœ์ข… ๋‹ต์œผ๋กœ ์„ ํƒํ•˜๋Š” Majority-of-the-Bests(MoB)๋ฅผ ์ œ์•ˆํ•ฉ๋‹ˆ๋‹ค.

์ฃผ์š” ๊ธฐ์—ฌ

  1. BoN์˜ ์ถœ๋ ฅ์ด ๋ถˆ์™„์ „ํ•œ Reward์—์„œ ํ™•๋ฅ ์  ํŠน์„ฑ์„ ๊ฐ–๋Š”๋‹ค๋Š” ์ ์„ ๋ถ„์„ํ•˜๊ณ , ๋ถ„ํฌ์˜ mode๊ฐ€ ๋‹จ์ผ ์ƒ˜ํ”Œ๋ณด๋‹ค ์‹ ๋ขฐํ•  ์ˆ˜ ์žˆ์Œ์„ ๋ณด์ž„
  1. ๋ถ€ํŠธ์ŠคํŠธ๋ž˜ํ•‘ ๊ธฐ๋ฐ˜์œผ๋กœ BoN ์ถœ๋ ฅ ๋ถ„ํฌ๋ฅผ ์ถ”์ •ํ•˜๊ณ  mode๋ฅผ ์„ ํƒํ•˜๋Š” MoB ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ฐ ์ ์‘์  ์„œ๋ธŒ์ƒ˜ํ”Œ ํฌ๊ธฐ ์„ ํƒ ์ ˆ์ฐจ ์ œ์•ˆ
  1. ๋ถ€ํŠธ์ŠคํŠธ๋ž˜ํ•‘ ์ถ”์ •์˜ consistency์— ๋Œ€ํ•œ ์ด๋ก ์  ๋ณด์žฅ ์ œ๊ณต

๋ฐฐ๊ฒฝ ๋ฐ ๋™๊ธฐ

๊ธฐ์กด ์„ ํƒ ๋ฉ”์ปค๋‹ˆ์ฆ˜์˜ ๊ตฌ๋„

Self-Consistency (SC)
  • N๊ฐœ ์ถœ๋ ฅ์„ ์ƒ์„ฑํ•˜๊ณ , ์ตœ์ข… ๋‹ต ์ค‘ ๊ฐ€์žฅ ๋นˆ๋ฒˆํ•œ ๊ฒƒ์„ ์„ ํƒ (๋‹ค์ˆ˜๊ฒฐ)
  • Reward Model ๋ถˆํ•„์š”
  • ์ •๋‹ต์ด ์ตœ๋นˆ๊ฐ’์ผ ๋•Œ ํšจ๊ณผ์ ์ด์ง€๋งŒ, ๊ธฐ์ € ๋ชจ๋ธ์˜ ์ƒ์„ฑ ํ™•๋ฅ ์— ์ „์ ์œผ๋กœ ์˜์กด
Best-of-N (BoN)
  • N๊ฐœ ์ถœ๋ ฅ์„ ์ƒ์„ฑํ•˜๊ณ , Reward Model์ด ๊ฐ€์žฅ ๋†’์€ ์ ์ˆ˜๋ฅผ ์ค€ ์ถœ๋ ฅ์„ ์„ ํƒ
  • ์™„๋ฒฝํ•œ Reward Model์ด๋ฉด ๊ฑฐ์˜ 100% ์ •๋‹ต ์„ ํƒ ๊ฐ€๋Šฅ
  • ํ˜„์‹ค์ ์œผ๋กœ Reward๊ฐ€ ๋ถˆ์™„์ „ํ•˜์—ฌ ์„ฑ๋Šฅ ์ €ํ•˜ ๋ฐœ์ƒ
Weighted Best-of-N (WBoN)
  • ๊ฐ ์ตœ์ข… ๋‹ต์— ๋Œ€ํ•ด, ํ•ด๋‹น ๋‹ต์— ๋„๋‹ฌํ•˜๋Š” ๋ชจ๋“  ์ถœ๋ ฅ์˜ Reward๋ฅผ ํ•ฉ์‚ฐ
  • ๊ฐ€์žฅ ๋†’์€ ์ด Reward๋ฅผ ๊ฐ€์ง„ ๋‹ต์„ ์„ ํƒ
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BoN์˜ ๊ทผ๋ณธ์  ํ•œ๊ณ„: ํ™•๋ฅ ์  ํ–‰๋™

BoN์˜ ์ถœ๋ ฅ์€ ๊ฒฐ์ •๋ก ์ ์ด์ง€ ์•Š์Šต๋‹ˆ๋‹ค. Reward Model์ด ๋ถˆ์™„์ „ํ•˜๋ฉด BoN ์ž์ฒด๊ฐ€ ํ•˜๋‚˜์˜ ํ™•๋ฅ  ๋ถ„ํฌ (์•Œ๊ณ ๋ฆฌ์ฆ˜์ด ์ตœ์ข…์ ์œผ๋กœ ์„ ํƒํ•˜๋Š” ์ •๋‹ต๋“ค์˜ ํ™•๋ฅ  ๋ถ„ํฌ)์„ ๋”ฐ๋ฅด๊ฒŒ ๋ฉ๋‹ˆ๋‹ค. BoN์ด ์ •๋‹ต์„ ๊ณ ๋ฅด๋ ค๋ฉด, ์ •๋‹ต ์ถœ๋ ฅ๋“ค ์ค‘ ์ตœ๊ณ  Reward๊ฐ€ ์˜ค๋‹ต ์ถœ๋ ฅ๋“ค ์ค‘ ์ตœ๊ณ  Reward๋ณด๋‹ค ์ปค์•ผ ํ•ฉ๋‹ˆ๋‹ค.
  • : ์ •๋‹ต์— ๋„๋‹ฌํ•˜๋Š” ๋ฒˆ์งธ ์ถœ๋ ฅ, ๊ฐœ
  • : ์˜ค๋‹ต์— ๋„๋‹ฌํ•˜๋Š” ๋ฒˆ์งธ ์ถœ๋ ฅ, ๊ฐœ
  • : Reward Model์˜ ์ ์ˆ˜
์ด ์กฐ๊ฑด์˜ ์„ฑ๋ฆฝ ์—ฌ๋ถ€๋Š” ์•„๋ž˜ ์š”์ธ์— ๊ธฐ๋ฐ˜ํ•ฉ๋‹ˆ๋‹ค.
  1. ์ •๋‹ต/์˜ค๋‹ต ์ถœ๋ ฅ ๊ฐœ์ˆ˜ ๋น„์œจ โ€” ๊ธฐ์ € ๋ชจ๋ธ์ด ์ •๋‹ต์„ ๋งŽ์ด ์ƒ์„ฑํ• ์ˆ˜๋ก ์œ ๋ฆฌ
  1. Reward ๋ถ„ํฌ์˜ ๋ถ„๋ฆฌ๋„ โ€” ์ •๋‹ต ์ถœ๋ ฅ์˜ Reward ๋ถ„ํฌ ์™€ ์˜ค๋‹ต ์ถœ๋ ฅ์˜ Reward ๋ถ„ํฌ ๊ฐ€ ์ž˜ ๋ถ„๋ฆฌ๋ ์ˆ˜๋ก ์œ ๋ฆฌ
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์ด ๋ถ„์„์—์„œ ๋“œ๋Ÿฌ๋‚˜๋Š” ํ•ต์‹ฌ ์ธ์‚ฌ์ดํŠธ๋Š” BoN์˜ ์ถœ๋ ฅ ๋ถ„ํฌ์—์„œ ์ •๋‹ต์ด ํ™•๋ฅ  1์— ๊ฐ€๊น์ง€ ์•Š๋”๋ผ๋„, ๊ฐ€์žฅ ๋†’์€ ํ™•๋ฅ ์„ ๊ฐ€์ง„ ๊ฐ’์ธ ๊ฒฝ์šฐ๊ฐ€ ๋งŽ์Šต๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ ๋ถ„ํฌ์—์„œ ํ•˜๋‚˜๋ฅผ ๋ฝ‘๋Š” ๊ฒƒ(BoN)๋ณด๋‹ค, ๋ถ„ํฌ์˜ mode๋ฅผ ์ฐพ๋Š” ๊ฒƒ(MoB)์ด ๋” ์‹ ๋ขฐํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

ํ•ต์‹ฌ ๋ฐฉ๋ฒ•

์ „์ฒด ์•„ํ‚คํ…์ฒ˜

MoB์˜ ๋™์ž‘ ๊ณผ์ •์€ ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค:
์ž…๋ ฅ: ์งˆ๋ฌธ x, ์ƒ์„ฑ ์˜ˆ์‚ฐ N 1. N๊ฐœ์˜ ์ถœ๋ ฅ ์ƒ์„ฑ: Yโ‚, ..., Y_N ~ p_ref 2. ๊ฐ ์ถœ๋ ฅ์— ๋Œ€ํ•ด Reward ๊ณ„์‚ฐ: r(Yโ‚), ..., r(Y_N) 3. ๋ถ€ํŠธ์ŠคํŠธ๋ž˜ํ•‘์œผ๋กœ BoN ์ถœ๋ ฅ ๋ถ„ํฌ ์ถ”์ •: - ํฌ๊ธฐ m์˜ ์„œ๋ธŒ์…‹์„ ๋ณต์› ์ถ”์ถœ๋กœ B๋ฒˆ ์ƒ์„ฑ - ๊ฐ ์„œ๋ธŒ์…‹์—์„œ ์ตœ๊ณ  Reward ์ถœ๋ ฅ์˜ ๋‹ต์„ ์„ ํƒ 4. B๊ฐœ์˜ ์„ ํƒ๋œ ๋‹ต ์ค‘ ์ตœ๋นˆ๊ฐ’์„ ์ตœ์ข… ๋‹ต์œผ๋กœ ์ถœ๋ ฅ

Oracle MoB: ์ด์ƒ์  ๊ฒฝ์šฐ

BoN์˜ ์ถœ๋ ฅ ๋ถ„ํฌ ์ด Oracle(์ถœ๋ ฅ ๋ถ„ํฌ๋ฅผ ์™„๋ฒฝํ•˜๊ฒŒ ์•Œ๊ณ  ์žˆ๋Š” ๊ฐ€์ƒ์˜ ์ •๋ณด์›)์ด ์•Œ๋ ค์ ธ ์žˆ๋‹ค๊ณ  ๊ฐ€์ •ํ•˜๋ฉด, BoN ๋Œ€์‹  ์ด ๋ถ„ํฌ์˜ mode๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค.
BoN์€ ์—์„œ ํ•˜๋‚˜๋ฅผ ์ƒ˜ํ”Œ๋งํ•˜๋Š” ๊ฒƒ์ด๊ณ , Oracle MoB๋Š” ์˜ ์ตœ๋นˆ๊ฐ’์„ ์„ ํƒํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
SC๊ฐ€ ๊ธฐ์ € ๋ชจ๋ธ ๋ถ„ํฌ ์˜ mode๋ฅผ ์„ ํƒํ•˜์—ฌ pass@1์„ ๊ฐœ์„ ํ•˜๋“ฏ, MoB๋Š” BoN ๋ถ„ํฌ ์˜ mode๋ฅผ ์„ ํƒํ•˜์—ฌ BoN์„ ๊ฐœ์„ ํ•ฉ๋‹ˆ๋‹ค. ์‹ค์ œ๋กœ ์ด๋ฏ€๋กœ, SC๋Š” ์ธ Oracle MoB์˜ ํŠน์ˆ˜ํ•œ ๊ฒฝ์šฐ์— ํ•ด๋‹นํ•ฉ๋‹ˆ๋‹ค.
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๋ถ€ํŠธ์ŠคํŠธ๋ž˜ํ•‘์„ ํ†ตํ•œ ๋ถ„ํฌ ์ถ”์ •

ํ˜„์‹ค์—์„œ๋Š” ์„ ์•Œ ์ˆ˜ ์—†์œผ๋ฏ€๋กœ, ๋ถ€ํŠธ์ŠคํŠธ๋ž˜ํ•‘์œผ๋กœ ์ถ”์ •ํ•ฉ๋‹ˆ๋‹ค.
BoN+SC (๋‹จ์ˆœํ•œ ์ ‘๊ทผ๋ฒ•)
๋ฒˆ์˜ ๋…๋ฆฝ์ ์ธ BoN์„ ์ˆ˜ํ–‰ํ•˜๊ณ  (๊ฐ ๊ฐœ ์ถœ๋ ฅ ์‚ฌ์šฉ), ๊ฐœ ๊ฒฐ๊ณผ์— ๋‹ค์ˆ˜๊ฒฐ์„ ์ ์šฉํ•ฉ๋‹ˆ๋‹ค:
๋ฌธ์ œ: ์ด ์˜ˆ์‚ฐ ๊ฐ€ ํ•„์š”ํ•˜๋ฉฐ, ๊ณผ ๋ชจ๋‘ ์ปค์•ผ ํ•˜๋ฏ€๋กœ ๋งค์šฐ ๋น„ํšจ์œจ์ ์ž…๋‹ˆ๋‹ค.
MoB (๋ถ€ํŠธ์ŠคํŠธ๋ž˜ํ•‘ ์ ‘๊ทผ๋ฒ•)
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ํ•ต์‹ฌ ์ฐจ์ด: ๊ฐ ์ถœ๋ ฅ ๊ฐ€ ํ•˜๋‚˜์˜ BoN ์‹คํ–‰์—๋งŒ ๊ธฐ์—ฌํ•˜๋Š” BoN+SC์™€ ๋‹ฌ๋ฆฌ, MoB๋Š” ๋ณต์› ์ถ”์ถœ๋กœ ๋™์ผํ•œ ์ถœ๋ ฅ์„ ์—ฌ๋Ÿฌ ์„œ๋ธŒ์…‹์—์„œ ์žฌ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.
์—ฌ๊ธฐ์„œ ๋Š” ์˜ ๊ฒฝํ—˜์  ๋ถ„ํฌ์ž…๋‹ˆ๋‹ค. ์ฆ‰, ์›๋ณธ N๊ฐœ ์ถœ๋ ฅ์—์„œ m๊ฐœ๋ฅผ ๋ณต์› ์ถ”์ถœํ•˜๋Š” ๊ฒƒ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.
๋Š” ์ถฉ๋ถ„ํžˆ ํฌ๊ฒŒ ์„ค์ •ํ•ฉ๋‹ˆ๋‹ค (๋ณดํ†ต ). ์ด ์ „์ฒด ๊ณผ์ •์€ CPU์—์„œ ์ˆ˜ํ–‰๋˜๋ฏ€๋กœ ์ถ”๊ฐ€ GPU ๋น„์šฉ์ด ์—†์Šต๋‹ˆ๋‹ค.

์„œ๋ธŒ์ƒ˜ํ”Œ ํฌ๊ธฐ ์˜ ์ ์‘์  ์„ ํƒ

์˜ ์„ ํƒ์—๋Š” ํŠธ๋ ˆ์ด๋“œ์˜คํ”„๊ฐ€ ์กด์žฌํ•ฉ๋‹ˆ๋‹ค:
  • ์ด ํด์ˆ˜๋ก: BoN์˜ ์„ฑ๊ณต ํ™•๋ฅ ์ด ๋†’์•„์ ธ ์˜ mode๊ฐ€ ์ •๋‹ต์ผ ๊ฐ€๋Šฅ์„ฑ ์ฆ๊ฐ€. ํ•˜์ง€๋งŒ ์ด ์— ๊ฐ€๊นŒ์›Œ์ง€๋ฉด ๋ถ€ํŠธ์ŠคํŠธ๋ž˜ํ•‘ ์ถ”์ •์˜ ์ •ํ™•๋„ ์ €ํ•˜ (๊ทน๋‹จ๊ฐ’ ์ถ”์ • ์‹คํŒจ ๋ฌธ์ œ)
  • ์ด ์ž‘์„์ˆ˜๋ก: ๋ถ€ํŠธ์ŠคํŠธ๋ž˜ํ•‘ ์ถ”์ •์€ ์ •ํ™•ํ•˜์ง€๋งŒ, Best-of- ์ž์ฒด์˜ ์„ฑ๊ณต ํ™•๋ฅ ์ด ๋‚ฎ์•„์ง
์ผ ๊ฒฝ์šฐ, ์ตœ๊ณ  Reward ์ถœ๋ ฅ์ด ๋ชจ๋“  ์„œ๋ธŒ์…‹์— ํฌํ•จ๋  ํ™•๋ฅ ์ด ์ด๋ฏ€๋กœ, ์ด ํ•ญ์ƒ ๊ธฐ์กด BoN์˜ ๋‹ต์— ์ตœ์†Œ 63.2%์˜ ํ™•๋ฅ ์„ ๋ถ€์—ฌํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค. ์ด๋Š” ๋ฐ”๋žŒ์งํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
์ ์‘์  ์„ ํƒ ์ ˆ์ฐจ:
  1. ํ›„๋ณด ๊ฐ’ ์ƒ์„ฑ: (๋‹จ, )
  1. ์ธ์ ‘ ํ›„๋ณด ๊ฐ„ ๋ถ„ํฌ ์ฐจ์ด ์ตœ์†Œํ™”:
์ด ๊ณ„์‚ฐ์€ ๊ฐœ์˜ ํ›„๋ณด๋งŒ ํ‰๊ฐ€ํ•˜๋ฉด ๋˜๋ฏ€๋กœ ๋งค์šฐ ๊ฐ€๋ณ๊ณ , ์ด๋ผ๋Š” ๋‹จ์ˆœํ•œ ๊ทœ์น™๋„ ์ ์‘์  ๋ฐฉ๋ฒ•๊ณผ ๊ฑฐ์˜ ๋™๋“ฑํ•œ ์„ฑ๋Šฅ์„ ๋ณด์ž…๋‹ˆ๋‹ค.
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์ด๋ก ์  ๋ณด์žฅ

[1] ์ผ๊ด€์„ฑ
Reward ๋ถ„ํฌ์— ๋Œ€ํ•œ ์•ฝํ•œ ๊ฐ€์ • ํ•˜์—์„œ, ์˜ ๊ฐ€๋Šฅํ•œ ๊ฐ’์ด ์œ ํ•œํ•˜๊ณ , ์—์„œ ์ด๋ฉฐ ์ด๋ฉด, ๋ถ€ํŠธ์ŠคํŠธ๋ž˜ํ•‘ ์ถ”์ • ๋ถ„ํฌ ์€ ์‹ค์ œ ๋ถ„ํฌ ์— ์ˆ˜๋ ดํ•ฉ๋‹ˆ๋‹ค.
() ํ˜•ํƒœ์˜ ์Šค์ผ€์ค„์ด๋ฉด ์ด ์กฐ๊ฑด์„ ๋งŒ์กฑํ•ฉ๋‹ˆ๋‹ค.
[2] BoN ์ถœ๋ ฅ ๋ถ„ํฌ์˜ ์ ๊ทผ์  ํ–‰๋™
์ •๋‹ต ์— ๋Œ€ํ•œ Reward์˜ ์กฐ๊ฑด๋ถ€ ๋ถ„ํฌ CDF๋ฅผ , ์˜ค๋‹ต์— ๋Œ€ํ•œ ์กฐ๊ฑด๋ถ€ ๋ถ„ํฌ CDF๋ฅผ ์ด๋ผ ํ•  ๋•Œ, ๋‘ ๋ถ„ํฌ์˜ ์šฐ์ธก ๊ผฌ๋ฆฌ ๋น„์œจ ์— ์˜ํ•ด
์ด ๊ฒฐ๊ณผ๋Š” Reward ๋ถ„ํฌ์˜ ๊ผฌ๋ฆฌ ํ–‰๋™์ด BoN์˜ ์ตœ์ข… ์„ฑ๊ณต ํ™•๋ฅ ์„ ๊ฒฐ์ •ํ•œ๋‹ค๋Š” ๊ฒƒ์„ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค. ์ด๋ฉด Reward Model์ด ์ •๋‹ต์„ ์„ ํ˜ธํ•˜๋Š” ๊ฒƒ์ด๊ณ , ์ด๋•Œ BoN์˜ ์„ฑ๊ณต ํ™•๋ฅ ์ด ๊ธฐ์ € ๋ชจ๋ธ๋ณด๋‹ค ๋†’์•„์ง‘๋‹ˆ๋‹ค. ํ•˜์ง€๋งŒ ๊ฐ€ ์œ ํ•œํ•œ ํ•œ, BoN์˜ ์„ฑ๊ณต ํ™•๋ฅ ์€ 1์— ๋„๋‹ฌํ•˜์ง€ ๋ชปํ•ฉ๋‹ˆ๋‹ค.
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๊ฒฐ๋ก 

MoB๋Š” BoN์˜ ์ถœ๋ ฅ์„ ํ™•๋ฅ  ๋ถ„ํฌ๋กœ ๊ฐ„์ฃผํ•˜๊ณ , ๋ถ€ํŠธ์ŠคํŠธ๋ž˜ํ•‘์œผ๋กœ ์ด ๋ถ„ํฌ๋ฅผ ์ถ”์ •ํ•œ ๋’ค mode๋ฅผ ์„ ํƒํ•˜๋Š” ๊ฐ„๊ฒฐํ•œ ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค. ์ถ”๊ฐ€ GPU ๋น„์šฉ ์—†์ด CPU ํ›„์ฒ˜๋ฆฌ๋งŒ์œผ๋กœ ๋™์ž‘ํ•˜๋ฉฐ, ํ•˜์ดํผํŒŒ๋ผ๋ฏธํ„ฐ ํŠœ๋‹์ด ๊ฑฐ์˜ ๋ถˆํ•„์š”ํ•ฉ๋‹ˆ๋‹ค. 30๊ฐœ ์‹คํ—˜ ์„ธํŒ… ์ค‘ 25๊ฐœ์—์„œ BoN์„ ์ƒํšŒํ•˜๋ฉฐ, ์ตœ๋Œ€ +11.35%p์˜ ๊ฐœ์„ ์„ ๋‹ฌ์„ฑํ–ˆ์Šต๋‹ˆ๋‹ค.
SC๊ฐ€ ๊ธฐ์ € ๋ชจ๋ธ์˜ ๋ถ„ํฌ์—์„œ mode๋ฅผ ์ฐพ๋“ฏ, MoB๋Š” BoN์˜ ๋ถ„ํฌ์—์„œ mode๋ฅผ ์ฐพ์Šต๋‹ˆ๋‹ค. ์ด "๋ถ„ํฌ ์ถ”์ • โ†’ mode ์„ ํƒ" ์›๋ฆฌ๋Š” BoN๊ณผ SC, LLM์˜ ๋ณ‘๋ ฌ ์ƒ์„ฑ์—์„œ Early stopping ์‹ ํ˜ธ ๋“ฑ์œผ๋กœ ํ™•์žฅ๋  ๊ฐ€๋Šฅ์„ฑ์ด ์žˆ์Šต๋‹ˆ๋‹ค.
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