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| 1 |
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---
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license: mit
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pretty_name: set_700
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---
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<<<<<<< HEAD
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# LLM Fine-Tune Pipeline (Google Cloud + NVIDIA GPU → Ollama)
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Univerzální **Docker-first** Python pipeline pro fine-tuning LLM modelů na NVIDIA GPU (typicky Google Cloud VM), s automatickým exportem do **GGUF** a importem do **Ollama**.
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## Jediný příkaz
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```bash
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python run.py
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```
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To je vše. Skript:
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1. doinstaluje host závislosti (pokud chybí),
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2. na pozadí připraví Docker / NVIDIA prostředí,
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3. spustí **moderní web UI** na `0.0.0.0:8080` (veřejná IP na GCE),
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4. vypíše **access token** do terminálu.
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Otevřete v prohlížeči `http://<VAŠE_PUBLIC_IP>:8080`, zadejte token, nastavte model/dataset a spusťte pipeline.
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### Web UI (výchozí)
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| Akce | Popis |
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|------|--------|
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| Analyzovat | Odhad VRAM, času, nákladů |
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| Spustit pipeline | Setup → train → GGUF → Ollama |
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| Live log | Streaming logů + progress |
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| Zrušit | Požadavek na zastavení jobu |
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```bash
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python run.py # web na :8080 + auto token
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python run.py --port 3000
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python run.py --token tajneheslo
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python run.py --no-token # bez auth (jen privátní síť!)
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python run.py --skip-setup # bez auto instalace balíčků
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```
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**Google Cloud firewall** (jednou):
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```bash
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gcloud compute firewall-rules create llm-ui \
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--allow=tcp:8080 \
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--target-tags=llm-train \
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--source-ranges=0.0.0.0/0
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```
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(případně omezte `source-ranges` na vaši IP).
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### CLI (volitelné)
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```bash
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python run.py --cli
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python run.py --cli -y --model unsloth/llama-3.2-1b-instruct \
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--dataset ./data/sample_alpaca.jsonl --dry-run
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# nebo přímo:
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python train_pipeline.py -y --dataset ./data/sample_alpaca.jsonl
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```
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## Co pipeline dělá
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1. **Automatizace prostředí** — detekce Debian/Fedora, Docker + NVIDIA Container Toolkit, image s CUDA/Unsloth/llama.cpp.
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2. **Web UI nebo CLI** — model, formát dat, dataset, hyperparametry, limity.
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3. **Analýza** — parametry (LoRA/QLoRA), VRAM, čas, USD.
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4. **Trénink v Dockeru** — QLoRA/LoRA/full na GPU.
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5. **GGUF + Ollama** — merge, llama.cpp, Modelfile, `ollama create`.
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6. **Safety** — watchdog max. čas / náklady.
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## Požadavky (Google Cloud)
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| Položka | Doporučení |
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|--------|------------|
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| VM | Ubuntu 22.04 LTS nebo Debian 12 / Fedora (GPU image) |
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| GPU | T4 16GB (malé modely), L4 24GB, A100 40/80GB |
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| Disk | ≥ 100 GB SSD (modely + Docker layer cache) |
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| Driver | NVIDIA driver + `nvidia-smi` funkční na hostu |
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| Síť | HF + Docker Hub; TCP 8080 pro web UI |
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Vytvoření GPU VM (příklad):
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```bash
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gcloud compute instances create llm-train \
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--zone=europe-west4-a \
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--machine-type=n1-standard-8 \
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--accelerator=type=nvidia-tesla-t4,count=1 \
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--maintenance-policy=TERMINATE \
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--image-family=pytorch-latest-gpu \
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--image-project=deeplearning-platform-release \
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--boot-disk-size=200GB \
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--tags=llm-train
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```
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## Formáty dat
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Podporováno: **Alpaca** (JSON/JSONL), **ShareGPT**, **OpenAI chat messages**, plain **text**, nebo **HF dataset ID**.
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Ukázka Alpaca JSONL: `data/sample_alpaca.jsonl`.
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## Struktura projektu
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```
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llm/
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├── run.py # ★ jediný vstup (web UI výchozí)
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├── train_pipeline.py # CLI pipeline
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├── requirements.txt
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├── web/ # control panel (HTML/CSS/JS)
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├── configs/default_train.yaml
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├── data/sample_alpaca.jsonl
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├── docker/
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│ ├── Dockerfile.unsloth
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│ └── Dockerfile.axolotl
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├── scripts/train_inside_container.py
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└── lib/
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├── job_manager.py # job + logy pro web/CLI
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├── web_app.py # FastAPI
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├── env_setup.py
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├── interactive.py
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├── analysis.py
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├── safety.py
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├── training.py
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├── convert_gguf.py
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└── ollama_export.py
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```
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## Výstupy běhu
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```
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outputs/run_<timestamp>/
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├── train_config.json
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├── estimate.json
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├── train.log
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├── adapter/ # LoRA váhy
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├── merged/ # sloučený HF model
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├── gguf/*.gguf
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├── Modelfile
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└── TRAINING_OK
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```
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Spuštění modelu:
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```bash
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ollama run demo-1b-ft
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```
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| 148 |
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Obnovení jen konverze z hotového runu:
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| 150 |
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| 151 |
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```bash
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python train_pipeline.py --run-dir outputs/run_XXXX --ollama-name my-model
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```
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## Safety limity
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| 156 |
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| 157 |
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- `--max-hours` — hard stop watchdogu (SIGTERM → SIGKILL).
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- `--max-cost` + `--gpu-hourly-usd` — odhad nákladů = čas × cena × počet GPU.
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- Před startem **preflight**: pokud odhad překročí limity, trénink se nespustí (override: `--allow-over-limit`).
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## Poznámky k produkci
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- Odhad VRAM/času je **heuristický** — ověřte na malém běhu (`--epochs 0.1` / `max_steps`).
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- Privátní HF modely: `export HF_TOKEN=...` (proměnná se propsala do kontejneru přes mount cache; pro token přidejte `-e HF_TOKEN` v `lib/training.py` dle potřeby).
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| 165 |
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- První `docker build` trvá dlouho (PyTorch, Unsloth, llama.cpp).
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| 166 |
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- Na GCE vypněte VM po tréninku, ať neplatíte GPU idle.
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| 167 |
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## Licence
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| 169 |
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| 170 |
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MIT — použijte na vlastní riziko; sledujte licence base modelů a datasetů.
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=======
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# llm
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| 173 |
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>>>>>>> 84acf00b1c820772f3260d5036366789f7d7adfb
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