llama.cpp/examples/quantize/test.sh

#!/bin/bash

set -eu

if [ $# -lt 1 ]
then
  echo "usage:   $0 path_to_build_binary [path_to_temp_folder]"
  echo "example: $0 ../../build/bin ../../tmp"
  exit 1
fi

if [ $# -gt 1 ]
then
  TMP_DIR=$2
else
  TMP_DIR=/tmp
fi

set -x

SPLIT=$1/gguf-split
QUANTIZE=$1/quantize
MAIN=$1/main
WORK_PATH=$TMP_DIR/quantize
CUR_DIR=$(pwd)

mkdir -p "$WORK_PATH"

# Clean up in case of previously failed test
rm -f $WORK_PATH/ggml-model-split*.gguf $WORK_PATH/ggml-model-requant*.gguf

# 1. Get a model
(
  cd $WORK_PATH
  "$CUR_DIR"/../../scripts/hf.sh --repo ggml-org/gemma-1.1-2b-it-Q8_0-GGUF --file gemma-1.1-2b-it.Q8_0.gguf
)
echo PASS

# 2. Split model
$SPLIT --split-max-tensors 28  $WORK_PATH/gemma-1.1-2b-it.Q8_0.gguf $WORK_PATH/ggml-model-split
echo PASS
echo

# 3. Requant model with '--keep_split'
$QUANTIZE --allow-requantize --keep_split $WORK_PATH/ggml-model-split-00001-of-00006.gguf $WORK_PATH/ggml-model-requant.gguf Q4_K
echo PASS
echo

# 3a. Test the requanted model is loading properly
$MAIN --model $WORK_PATH/ggml-model-requant-00001-of-00006.gguf --random-prompt --n-predict 32
echo PASS
echo

# 4. Requant mode without '--keep_split'
$QUANTIZE --allow-requantize $WORK_PATH/ggml-model-split-00001-of-00006.gguf $WORK_PATH/ggml-model-requant-merge.gguf Q4_K
echo PASS
echo

# 4b. Test the requanted model is loading properly
$MAIN --model $WORK_PATH/ggml-model-requant-merge.gguf --random-prompt --n-predict 32
echo PASS
echo

# Clean up
rm -f $WORK_PATH/ggml-model-split*.gguf $WORK_PATH/ggml-model-requant*.gguf