CRM DPO LoRA Adapter

λ³Έ λ ˆν¬μ§€ν† λ¦¬λŠ” CRM λ©”μ‹œμ§€ μžλ™ 생성을 μœ„ν•œ LoRA μ–΄λŒ‘ν„°λ₯Ό μ œκ³΅ν•©λ‹ˆλ‹€.
ν•΄λ‹Ή μ–΄λŒ‘ν„°λŠ” Direct Preference Optimization(DPO) 기법을 ν™œμš©ν•˜μ—¬,
CRM λ©”μ‹œμ§€ ν’ˆμ§ˆμ— 직접적인 영ν–₯을 μ£ΌλŠ” ν‘œν˜„ λ¬Έμ œλ“€μ„ μ™„ν™”ν•˜λŠ” 것을 λͺ©ν‘œλ‘œ ν•™μŠ΅λ˜μ—ˆμŠ΅λ‹ˆλ‹€.


πŸ”— Base Model

  • Base Model: LGAI-EXAONE/EXAONE-4.0-1.2B
  • λ³Έ λ ˆν¬μ§€ν† λ¦¬μ—λŠ” 베이슀 λͺ¨λΈ κ°€μ€‘μΉ˜λŠ” ν¬ν•¨λ˜μ–΄ μžˆμ§€ μ•ŠμœΌλ©°,
    LoRA μ–΄λŒ‘ν„° νŒŒλΌλ―Έν„°λ§Œ μ œκ³΅ν•©λ‹ˆλ‹€.

🎯 Training Objective

λ³Έ μ–΄λŒ‘ν„°λŠ” λ‹€μŒκ³Ό 같은 CRM λ©”μ‹œμ§€ ν’ˆμ§ˆ 이슈λ₯Ό μ™„ν™”ν•˜κΈ° μœ„ν•΄ ν•™μŠ΅λ˜μ—ˆμŠ΅λ‹ˆλ‹€.

  • 페λ₯΄μ†Œλ‚˜ 직접 λ…ΈμΆœ (예: β€œBudget_Seeker λ‹˜β€)
  • λΆ€μžμ—°μŠ€λŸ¬μš΄ ν•œκΈ€/μ˜μ–΄ 혼용 ν‘œν˜„
  • κ³Όλ„ν•œ λ§ˆμΌ€νŒ… 문ꡬ 및 톀 λΆˆμ•ˆμ •
  • CRM λ©”μ‹œμ§€λ‘œμ„œμ˜ 일관성 λΆ€μ‘±

특히, ν”„λ‘¬ν”„νŠΈ μ—”μ§€λ‹ˆμ–΄λ§λ§ŒμœΌλ‘œ μ œμ–΄ν•˜κΈ° μ–΄λ €μš΄ ν‘œν˜„ 편차λ₯Ό
λͺ¨λΈμ˜ 좜λ ₯ 뢄포 μˆ˜μ€€μ—μ„œ μ •λ ¬ν•˜λŠ” 것을 λͺ©ν‘œλ‘œ ν•©λ‹ˆλ‹€.


🧠 Training Method

  • Method: Direct Preference Optimization (DPO)
  • Fine-tuning: LoRA (PEFT)
  • Framework: Hugging Face TRL
  • Precision: BF16
  • Trainable Parameters: LoRA adapter only (base model frozen)

DPO ν•™μŠ΅μ€ λ™μΌν•œ ν”„λ‘¬ν”„νŠΈμ— λŒ€ν•΄
더 μ ν•©ν•œ CRM λ©”μ‹œμ§€(chosen)와 덜 μ ν•©ν•œ λ©”μ‹œμ§€(rejected)λ₯Ό λΉ„κ΅ν•˜λŠ” λ°©μ‹μœΌλ‘œ μˆ˜ν–‰λ˜μ—ˆμŠ΅λ‹ˆλ‹€.


πŸ“Š Training Characteristics

  • μ œν•œλœ 수의 페λ₯΄μ†Œλ‚˜(5μ’…)λ₯Ό 기반으둜 ν•™μŠ΅
  • κ·Έ κ²°κ³Ό 페λ₯΄μ†Œλ‚˜ 유좜 및 ν•œ/영 혼용 λΉˆλ„λŠ” μ „λ°˜μ μœΌλ‘œ κ°μ†Œ
  • λ‹€λ§Œ, 페λ₯΄μ†Œλ‚˜ λ‹€μ–‘μ„± λΆ€μ‘±μœΌλ‘œ μΈν•œ κ²½λ―Έν•œ 과적합 κ°€λŠ₯성이 μ‘΄μž¬ν•¨

λ³Έ μ–΄λŒ‘ν„°λŠ” CRM λ©”μ‹œμ§€ 생성 νŒŒμ΄ν”„λΌμΈμ˜ ν’ˆμ§ˆ κ°œμ„ μ„ μœ„ν•œ 쀑간 단계 결과물둜 ν™œμš©λ©λ‹ˆλ‹€.


πŸš€ Usage

from transformers import AutoModelForCausalLM
from peft import PeftModel

base_model = AutoModelForCausalLM.from_pretrained(
    "LGAI-EXAONE/EXAONE-4.0-1.2B",
    torch_dtype="bfloat16",
    device_map="auto"
)

model = PeftModel.from_pretrained(
    base_model,
    "Jinhyeok33/crm-dpo-adapter"
)

⚠️ Notes λ³Έ μ–΄λŒ‘ν„°λŠ” SFT 없이 DPO + LoRA만 적용된 κ²°κ³Όλ¬Όμž…λ‹ˆλ‹€.

좜λ ₯ ν˜•μ‹ μ•ˆμ •μ„±μ„ λ”μš± κ°•ν™”ν•˜κΈ° μœ„ν•΄μ„œλŠ” SFT 기반 ν˜•μ‹ ν•™μŠ΅ 이후 DPOλ₯Ό μ μš©ν•˜λŠ” ꡬ쑰가 ꢌμž₯λ©λ‹ˆλ‹€.

μ‹€μ œ μ„œλΉ„μŠ€ 적용 μ‹œμ—λŠ” 좔가적인 ν’ˆμ§ˆ 검증이 ν•„μš”ν•©λ‹ˆλ‹€.

πŸ“œ License Apache 2.0

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