llama.cpp/examples/model-conversion/scripts/utils/perplexity-run-simple.sh

#!/usr/bin/env bash

set -e

QUANTIZED_MODEL="${1:-"$QUANTIZED_MODEL"}"

if [ -z "$QUANTIZED_MODEL" ]; then
    echo "Error: Model path must be provided either as:" >&2
    echo "  1. Command line argument" >&2
    echo "  2. QUANTIZED_MODEL environment variable" >&2
    exit 1
fi

# Check if data/wikitext-2-raw directory exists
if [ ! -d "ppl/wikitext-2-raw" ]; then
    echo "ppl/wikitext-2-raw directory does not exist. Downloading..." >&2
    mkdir -p ppl
    pushd ppl
    ./../../../scripts/get-wikitext-2.sh
    popd
fi

cmake --build ../../build --target llama-perplexity -j8

../.././build/bin/llama-perplexity -m $QUANTIZED_MODEL -f ppl/wikitext-2-raw/wiki.test.raw