LLM-OS-Models

gemma-4-E2B-it-Terminal-SFT-2Epoch-DDP-4GPU

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README

모델 요약

  • Base model: google/gemma-4-E2B-it
  • Training setup: 2 epochs, DDP fine-tuning
  • Model card snapshot: 2026-06-03 22:09:26 UTC
  • Corrected TB2-lite evaluated results currently indexed: 60
  • Corrected TB2-lite score: pending / not matched in current result directory

Quickstart

설치와 로그인:

bash

pip install -U vllm transformers huggingface_hub
huggingface-cli login

관련 코드:

  • GitHub: https://github.com/LLM-OS-Models/Terminal
  • vLLM 평가 실행: tb2_lite/scripts/replay_eval.py
  • chat template/fallback 생성: tb2_lite/scripts/prompt_builder.py
  • JSON/command 채점: tb2_lite/scripts/replay_metrics.py

vLLM 직접 실행 예시. 평가 코드와 동일하게 chat template을 우선 사용하고, template이 없으면 ChatML/Gemma fallback을 사용합니다.

python

from transformers import AutoTokenizer
from vllm import LLM, SamplingParams
model_id = "LLM-OS-Models/gemma-4-E2B-it-Terminal-SFT-2Epoch-DDP-4GPU"
tp = 1
tokenizer = AutoTokenizer.from_pretrained(model_id, trust_remote_code=True)
llm = LLM(
model=model_id,
tokenizer=model_id,
trust_remote_code=True,
dtype="bfloat16",
tensor_parallel_size=tp,
max_model_len=49152,
gpu_memory_utilization=0.92,
)
messages = [
{"role": "system", "content": "You are a terminal automation assistant. Return JSON only."},
{"role": "user", "content": "Inspect the current directory and list Python files."},
]
def render_chatml(messages):
parts = []
for message in messages:
role = "assistant" if message["role"] == "assistant" else message["role"]
if role == "tool":
role = "user"
parts.append(f"<|im_start|>{role}\n{message['content']}<|im_end|>\n")
parts.append("<|im_start|>assistant\n")
return "".join(parts)
def render_gemma4_turn(messages, empty_thought_channel=False):
parts = ["<bos>"]
for message in messages:
role = "model" if message["role"] == "assistant" else message["role"]
if role == "tool":
role = "user"
parts.append(f"<|turn>{role}\n{message['content'].strip()}<turn|>\n")
parts.append("<|turn>model\n")
if empty_thought_channel:
parts.append("<|channel>thought\n<channel|>")
return "".join(parts)
def render_prompt(model_id, tokenizer, messages):
model_key = model_id.lower()
if "gemma-4" in model_key:
try:
return tokenizer.apply_chat_template(
messages,
tokenize=False,
add_generation_prompt=True,
enable_thinking=False,
)
except Exception:
return render_gemma4_turn(
messages,
empty_thought_channel=("26b" in model_key or "31b" in model_key),
)
try:
return tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
except Exception:
return render_chatml(messages)
prompt = render_prompt(model_id, tokenizer, messages)
sampling = SamplingParams(
temperature=0.0,
top_p=1.0,
max_tokens=1024,
repetition_penalty=1.0,
)
outputs = llm.generate([prompt], sampling_params=sampling)
print(outputs[0].outputs[0].text)

권장 출력 형식:

json

{
"analysis": "brief reasoning about the next terminal action",
"plan": "short execution plan",
"commands": [
{"keystrokes": "ls -la\n", "duration": 0.1}
],
"task_complete": false
}

평가와 동일한 replay 명령:

bash

python tb2_lite/scripts/replay_eval.py \
--model LLM-OS-Models/gemma-4-E2B-it-Terminal-SFT-2Epoch-DDP-4GPU \
--model-short LLM-OS-Models__gemma-4-E2B-it-Terminal-SFT-2Epoch-DDP-4GPU \
--eval-path tb2_lite/data/replay_full.jsonl \
--output-dir /home/work/.data/tb2_lite_eval/corrected_readme_models_vllm \
--dtype bfloat16 \
--tp 1 \
--max-model-len 49152 \
--max-tokens 1024 \
--temperature 0.0 \
--top-p 1.0 \
--gpu-memory-utilization 0.92 \
--thinking-mode off \
--strip-thinking-history auto \
--gemma4-empty-thought-channel auto \
--language-model-only
  • 기본 권장 tensor parallel: 1. OOM이면 --tptensor_parallel_size를 2/4/8로 올리세요.
  • corrected TB2-lite 평가는 temperature=0.0, top_p=1.0, max_tokens=1024로 고정했습니다.
  • Gemma 4는 JSON 출력을 위해 enable_thinking=False를 사용하고, 26B/31B 계열은 평가 코드에서 empty thought channel 처리를 자동 적용합니다.

평가 상태

  • Current corrected TB2-lite score: pending
  • Reason: 현재 /home/work/.data/tb2_lite_eval/corrected_readme_models_vllm 집계 결과와 이 HF repo명이 직접 매칭되지 않았습니다.
  • Next step: 동일한 tb2_lite/scripts/replay_eval.py 경로로 평가를 돌린 뒤 점수 카드로 자동 교체합니다.

모델군 해석

  • Gemma 계열은 native Gemma/Liquid 전처리와 chat template 처리가 중요합니다. 이 repo는 corrected 평가가 끝나면 점수 카드로 교체합니다.
  • TB2-lite 점수는 일반 지능 벤치마크가 아니라 터미널 next-action JSON 재현 능력을 측정합니다.
  • 생성 명령은 실제 실행 전에 sandbox, allowlist, human review 같은 안전장치를 거쳐야 합니다.

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google/gemma-4-E2B-it

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this model

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