eletra (base)

ํ•œ๊ตญ์–ด ์‚ฌ์ „ํ•™์Šต ๋ฒ ์ด์Šค ๋ชจ๋ธ์ž…๋‹ˆ๋‹ค. ์ง์ ‘ ๊ตฌํ˜„ํ•œ ๋””์ฝ”๋” ์ „์šฉ ํŠธ๋žœ์Šคํฌ๋จธ๋ฅผ ์ฒ˜์Œ๋ถ€ํ„ฐ ํ•™์Šตํ•œ ๋’ค Hugging Face Llama ํ˜•์‹์œผ๋กœ ๋ณ€ํ™˜ํ–ˆ์Šต๋‹ˆ๋‹ค. instruction/chat ํŠœ๋‹์„ ํ•˜์ง€ ์•Š์€ base ๋ชจ๋ธ์ด๋ผ, ๋Œ€ํ™”๋ณด๋‹ค๋Š” ์ด์–ด์“ฐ๊ธฐ(text completion)์šฉ์ž…๋‹ˆ๋‹ค.

๋ชจ๋ธ

  • ํŒŒ๋ผ๋ฏธํ„ฐ ์•ฝ 792M, 30 layers, hidden 1536, GQA(24 query / 6 kv heads), SwiGLU, RoPE, RMSNorm, tied embedding
  • ์ปจํ…์ŠคํŠธ ๊ธธ์ด 2048, ์–ดํœ˜ 32,000 (SentencePiece Unigram, byte fallback)
  • LlamaForCausalLM์œผ๋กœ ๋กœ๋“œ๋ฉ๋‹ˆ๋‹ค. bf16 safetensors.

ํ•™์Šต

  • ๋ฐ์ดํ„ฐ: FineWeb-2 ํ•œ๊ตญ์–ด(kor_Hang) ์ผ๋ถ€ + ํ•œ๊ตญ์–ด ์œ„ํ‚ค๋ฐฑ๊ณผ(20231101.ko). ์ •์ œยท์ค‘๋ณต์ œ๊ฑฐ ํ›„ ์‚ฌ์šฉํ–ˆ์Šต๋‹ˆ๋‹ค.
  • ์•ฝ 11.86B ํ† ํฐ, 1 epoch.

์‚ฌ์šฉ

from transformers import AutoModelForCausalLM, AutoTokenizer

tok = AutoTokenizer.from_pretrained("moonyean/eletra")
model = AutoModelForCausalLM.from_pretrained("moonyean/eletra")
ids = tok("๋Œ€ํ•œ๋ฏผ๊ตญ์˜ ์ˆ˜๋„๋Š”", return_tensors="pt", add_special_tokens=False)
out = model.generate(**ids, max_new_tokens=50, no_repeat_ngram_size=3)
print(tok.decode(out[0]))

๋ณ€ํ™˜ ๊ฒ€์ฆ

์›๋ณธ ๊ตฌํ˜„ ๋Œ€๋น„ ๋กœ์ง“ ์ตœ๋Œ€ ์˜ค์ฐจ ์•ฝ 2e-5(fp32), top-1 ์ผ์น˜ 100%, greedy ์ƒ์„ฑ ๋™์ผ. ํ† ํฌ๋‚˜์ด์ €๋Š” SentencePiece์™€ ๊ฑฐ์˜ ๋™์ผํ•˜๋‚˜ ๋™์  ๊ฒฝ๋กœ ์„ ํƒ(์•ฝ 0.3% ๋ฌธ์„œ)๊ณผ ๋“œ๋ฌธ ๊ฒฐํ•ฉ ๋ฌธ์ž ์ˆœ์„œ์—์„œ ์ฐจ์ด๊ฐ€ ๋‚  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ํ† ํฌ๋‚˜์ด์ €๋Š” ๊ฐœํ–‰/ํƒญ์„ ๊ณต๋ฐฑ์œผ๋กœ ์ฒ˜๋ฆฌํ•ฉ๋‹ˆ๋‹ค.

ํ•œ๊ณ„

  • ์†Œ๊ทœ๋ชจ base ๋ชจ๋ธ์ด๋ผ ์‚ฌ์‹ค ์˜ค๋ฅ˜์™€ ๋ฐ˜๋ณต์ด ์žฆ์Šต๋‹ˆ๋‹ค. ์•ˆ์ „์„ฑ ์ •๋ ฌ์ด ์—†์Šต๋‹ˆ๋‹ค.
  • ์›น ํ…์ŠคํŠธ ๊ธฐ๋ฐ˜์ด๋ฏ€๋กœ ํŽธํ–ฅยท๋ถ€์ ์ ˆํ•œ ๋‚ด์šฉ์ด ํฌํ•จ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

๋ผ์ด์„ ์Šค์™€ ์ถœ์ฒ˜

๋ชจ๋ธ์€ Apache-2.0์œผ๋กœ ๊ณต๊ฐœํ•ฉ๋‹ˆ๋‹ค. ํ•™์Šต ๋ฐ์ดํ„ฐ๋Š” FineWeb-2(ODC-By 1.0)์™€ ์œ„ํ‚ค๋ฐฑ๊ณผ(CC BY-SA 4.0)์ž…๋‹ˆ๋‹ค. ์œ„ํ‚ค๋ฐฑ๊ณผ์˜ ๋™์ผ์กฐ๊ฑด๋ณ€๊ฒฝํ—ˆ๋ฝ ์กฐ๊ฑด์ด ํ•™์Šต๋œ ๋ชจ๋ธ์— ๋ฏธ์น˜๋Š” ์˜ํ–ฅ์€ ๋ฒ•์ ์œผ๋กœ ํ™•์ •๋˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค.

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