| # this script generates compressed blobs for a model into huggingface's cache, to be transferred elsewhere and decompressed | |
| # the size is reduced by about 22% | |
| LEVEL=-4 | |
| #LEVEL=-9 | |
| #LEVEL=--adapt=min=1,max=22 | |
| PV="pv -cpteabm $((60*60*24))" | |
| #PV="pv -cpteab" | |
| model_id="$1" | |
| revision="$2" | |
| repo_url=https://huggingface.co/"$model_id" | |
| clonepath="$(basename "$repo_url")" | |
| cachepath="${HOME}/.cache/huggingface/hub/models--${model_id//\//--}/blobs" | |
| if ! [ -e ${HOME}/.cache/huggingface/token ] | |
| then | |
| huggingface-cli login || exit -1 | |
| fi | |
| HF_TOKEN="$(<${HOME}/.cache/huggingface/token)" | |
| GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/"$1" "$clonepath" | |
| mkdir -p "$cachepath" | |
| cd "$clonepath" | |
| git checkout "$revision" || exit -1 | |
| filecount=$(ls *.safetensors | wc -l) | |
| for file in *.safetensors | |
| do | |
| file_url="$repo_url"/resolve/"$revision"/"$file" | |
| export $(cat "$file" | tr \ =) # sets oid and size | |
| blobname=${oid##*:} | |
| outfile="$cachepath"/"$blobname".zst | |
| if [ -e "$outfile" ]; then | |
| zstd -l "$outfile" && { echo "$file" 1>&3; continue; } | |
| echo | |
| echo "# Recompressing $file #" | |
| fi | |
| echo | |
| { curl -s -L -H "Authorization: Bearer $HF_TOKEN" "$file_url" || exit -1; } | $PV -s "$size" -N "$file" | zstd -q --no-progress --force --size-hint="$size" --stream-size="$size" --ultra --long=31 --memory=2048MB --threads=1024 "$LEVEL" | $PV -s "$((size * 100/129))" -N "$blobname".zst > "$outfile" | |
| zstd -l "$outfile" | |
| echo | |
| echo | |
| echo "$file" 1>&3 | |
| done 3>&1 1>&2 | $PV -l -s "$filecount" -N "$clonepath" | |