Instructions to use nbeerbower/A2-Hemlock-Coder with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use nbeerbower/A2-Hemlock-Coder with Transformers:

# Use a pipeline as a high-level helper
from transformers import pipeline

pipe = pipeline("text-generation", model="nbeerbower/A2-Hemlock-Coder")
messages = [
    {"role": "user", "content": "Who are you?"},
]
pipe(messages)

# Load model directly
from transformers import AutoTokenizer, AutoModelForCausalLM

tokenizer = AutoTokenizer.from_pretrained("nbeerbower/A2-Hemlock-Coder")
model = AutoModelForCausalLM.from_pretrained("nbeerbower/A2-Hemlock-Coder")
messages = [
    {"role": "user", "content": "Who are you?"},
]
inputs = tokenizer.apply_chat_template(
	messages,
	add_generation_prompt=True,
	tokenize=True,
	return_dict=True,
	return_tensors="pt",
).to(model.device)

outputs = model.generate(**inputs, max_new_tokens=40)
print(tokenizer.decode(outputs[0][inputs["input_ids"].shape[-1]:]))

Notebooks
Google Colab
Kaggle
Local Apps

vLLM

How to use nbeerbower/A2-Hemlock-Coder with vLLM:

Install from pip and serve model

# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "nbeerbower/A2-Hemlock-Coder"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "nbeerbower/A2-Hemlock-Coder",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Use Docker

docker model run hf.co/nbeerbower/A2-Hemlock-Coder

SGLang

How to use nbeerbower/A2-Hemlock-Coder with SGLang:

Install from pip and serve model

# Install SGLang from pip:
pip install sglang
# Start the SGLang server:
python3 -m sglang.launch_server \
    --model-path "nbeerbower/A2-Hemlock-Coder" \
    --host 0.0.0.0 \
    --port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "nbeerbower/A2-Hemlock-Coder",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Use Docker images

docker run --gpus all \
    --shm-size 32g \
    -p 30000:30000 \
    -v ~/.cache/huggingface:/root/.cache/huggingface \
    --env "HF_TOKEN=<secret>" \
    --ipc=host \
    lmsysorg/sglang:latest \
    python3 -m sglang.launch_server \
        --model-path "nbeerbower/A2-Hemlock-Coder" \
        --host 0.0.0.0 \
        --port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "nbeerbower/A2-Hemlock-Coder",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Docker Model Runner
How to use nbeerbower/A2-Hemlock-Coder with Docker Model Runner:
```
docker model run hf.co/nbeerbower/A2-Hemlock-Coder
```

A2-Hemlock-Coder / README.md

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metadata

library_name: transformers
pipeline_tag: text-generation
tags:
  - merlina
  - grimoire
  - text-generation
  - sft
datasets:
  - hemlang/Hemlock2-DPO
  - hemlang/hemlock-formulary-SFT
  - hemlang/hemlock-codex-SFT
base_model:
  - nbeerbower/A2-Coder

A2-Hemlock-Coder

Training Configuration

Parameter	Value
Training Mode	SFT
Base Model	`nbeerbower/A2-Coder`
Learning Rate	0.0001
Epochs	2
Batch Size	1
Gradient Accumulation	16
Effective Batch Size	16
Max Sequence Length	2048
Optimizer	paged_adamw_8bit
LR Scheduler	cosine
Warmup Ratio	0.05
Weight Decay	0.01
Max Grad Norm	0.5
Seed	42
LoRA Rank (r)	128
LoRA Alpha	128
LoRA Dropout	0.05
Target Modules	k_proj, o_proj, q_proj, v_proj, down_proj, gate_proj, up_proj
Quantization	4-bit (NF4)
GPU	NVIDIA RTX A6000

Datasets

Trained on 3 concatenated datasets:

hemlang/Hemlock2-DPO (split: train)
hemlang/hemlock-formulary-SFT (split: train)
hemlang/hemlock-codex-SFT (split: train)

Merlina on GitHub