inference-optimization / Llama-3.2-0.5B-Instruct

Llama-3.2-0.5B-Instruct

This is a tiny version of meta-llama/Llama-3.2-1B-Instruct created for testing and development.

Model Details

• Base Model : meta-llama/Llama-3.2-1B-Instruct
• Architecture : llama
• Total Parameters : 0.51B
• Activated Parameters : 0.51B (non-MoE)

Configuration Changes

The following parameters were reduced from the original model:

Checkpoint Structure

This model uses a single model.safetensors file containing all weights. The checkpoint structure is identical to the original model, with the standard Llama architecture tensors:

• model.embed_tokens.weight
• model.layers.*.self_attn.{q,k,v,o}_proj.weight
• model.layers.*.mlp.{gate,up,down}_proj.weight
• model.layers.*.{input,post_attention}_layernorm.weight
• model.norm.weight

Usage

from transformers import AutoModelForCausalLM, AutoTokenizer

model = AutoModelForCausalLM.from_pretrained("inference-optimization/Llama-3.2-0.5B-Instruct", device_map="auto")
tokenizer = AutoTokenizer.from_pretrained("inference-optimization/Llama-3.2-0.5B-Instruct")

input_ids = tokenizer("According to all known laws", return_tensors="pt").input_ids.to(model.device)
output = model.generate(input_ids, max_new_tokens=20)
print(tokenizer.decode(output[0]))

Validation

Success: 1.0247299671173096 <= 10.0

==================================================
Generating sample text:
According to all known laws of aviation, there is no way a bee should be able to fly
==================================================

Creation Process

This model was created using the llm-compressor create-tiny-model claude skill:

1. Inspected the original model configuration to identify key parameters
2. Created a tiny version by reducing num_hidden_layers from 16 to 4
3. Fine-tuned the model on a toy dataset (famous copypastas) to validate learning capability
4. Achieved target perplexity of ~1.02 on the validation text
5. Validated checkpoint structure matches the original model format
6. Confirmed successful loading and inference

Notes

• This model was fine-tuned on a small corpus of internet copypastas to ensure it can learn effectively
• The model maintains the same Llama 3.2 architecture (including RoPE parameters) as the base model, just with fewer layers
• Due to the reduced layer count, this model has approximately 25% of the original model's parameters
• This is intended for development and testing purposes, not production use