How to use from the
Use from the
llama-cpp-python library
# !pip install llama-cpp-python

from llama_cpp import Llama

llm = Llama.from_pretrained(
	repo_id="pavel-tolstyko/ggml-model-Q4_K_M",
	filename="ggml-model-Q4_K_M.gguf",
)
llm.create_chat_completion(
	messages = "No input example has been defined for this model task."
)

Model Card for TinyLlama-1.1B-Chat-v1.0 (Quantized)

This is a quantized version of TinyLlama-1.1B-Chat-v1.0.

Performance Evaluation

The quantized model was tested on the hellaswag dataset with the following results:

Metric Base Model Quantized Model Change
hellaswag accuracy 0.456 0.462 unchanged
hellaswag normalized accuracy 0.64 0.64 unchanged
eval time (GPU) - seconds 219.67 209.34 4.70% decrease

The quantized version of TinyLlama-1.1B-Chat-v1.0 maintains similar accuracy while achieving a 4.7% reduction in evaluation time. This evaluation was conducted using GPU resources on a subset of 100 hellaswag samples for expediency. For production purposes, it is recommended to perform a full evaluation.

Quantization Approach
The model was quantized to 4-bits using the Q4_K_M method with llama.cpp, specifically designed for optimized GPU performance. The following steps were used:

  1. Convert the original model to GGUF format:

    python ./llama.cpp/convert_hf_to_gguf.py ./llama.cpp/models/TinyLlama-1.1B-Chat-v1.0/
    
  2. Quantize the GGUF model to 4-bit Q4_K_M:

./llama.cpp/build/bin/llama-quantize ./llama.cpp/models/TinyLlama-1.1B-Chat-v1.0/ggml-model-Q4_K_M.gguf q4_k_m

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