Files
pytorch/.github/scripts/amd/patch_triton_wheel.sh
Jithun Nair 4cde0acc0e Make triton build ROCm library version-agnostic (#158408)
Fixes maintenance of triton packaging script when library versions change from one ROCm version to next.

Pull Request resolved: https://github.com/pytorch/pytorch/pull/158408
Approved by: https://github.com/jeffdaily

Co-authored-by: Ethan Wee <Ethan.Wee@amd.com>
2025-08-13 19:49:23 +00:00

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#!/bin/bash
set -x
if [ -z "$1" ]; then
echo "Need wheel location argument" && exit 1
fi
WHEELHOUSE_DIR=$1
PATCHELF_BIN=patchelf
ROCM_LIB=backends/amd/lib
ROCM_LD=backends/amd/llvm/bin
PREFIX=triton
fname_without_so_number() {
LINKNAME=$(echo $1 | sed -e 's/\.so.*/.so/g')
echo "$LINKNAME"
}
replace_needed_sofiles() {
find $1 -name '*.so*' -o -name 'ld.lld' | while read sofile; do
origname=$2
patchedname=$3
set +e
origname=$($PATCHELF_BIN --print-needed $sofile | grep "$origname.*")
ERRCODE=$?
set -e
if [ "$ERRCODE" -eq "0" ]; then
echo "patching $sofile entry $origname to $patchedname"
$PATCHELF_BIN --replace-needed $origname $patchedname $sofile
fi
done
}
mkdir -p "/tmp_dir"
pushd /tmp_dir
for pkg in /$WHEELHOUSE_DIR/*triton*.whl; do
echo "Modifying $pkg"
rm -rf tmp
mkdir -p tmp
cd tmp
cp $pkg .
unzip -q $(basename $pkg)
rm -f $(basename $pkg)
$PATCHELF_BIN --set-rpath ${LD_SO_RPATH:-'$ORIGIN:$ORIGIN/../../lib'} $PREFIX/$ROCM_LD/ld.lld
$PATCHELF_BIN --print-rpath $PREFIX/$ROCM_LD/ld.lld
# Modify libtriton.so as it sits in _C directory apart from its dependencies
find $PREFIX/_C -type f -name "*.so*" | while read sofile; do
echo "Setting rpath of $sofile"
$PATCHELF_BIN --set-rpath ${C_SO_RPATH:-'$ORIGIN:$ORIGIN/'../$ROCM_LIB} ${FORCE_RPATH:-} $sofile
$PATCHELF_BIN --print-rpath $sofile
done
# All included dependencies are included in a single lib directory
deps=()
deps_soname=()
while read sofile; do
echo "Setting rpath of $sofile to ${LIB_SO_RPATH:-'$ORIGIN'}"
$PATCHELF_BIN --set-rpath ${LIB_SO_RPATH:-'$ORIGIN'} ${FORCE_RPATH:-} $sofile
$PATCHELF_BIN --print-rpath $sofile
deps+=("$sofile")
deps_soname+=("$(basename $sofile)")
done < <(find $PREFIX/$ROCM_LIB -type f -name "*.so*")
patched=()
for filepath in "${deps[@]}"; do
filename=$(basename $filepath)
destpath=$PREFIX/$ROCM_LIB/$filename
if [[ "$filepath" != "$destpath" ]]; then
cp $filepath $destpath
fi
patchedpath=$(fname_without_so_number $destpath)
patchedname=$(basename $patchedpath)
if [[ "$destpath" != "$patchedpath" ]]; then
mv $destpath $patchedpath
fi
patched+=("$patchedname")
echo "Copied $filepath to $patchedpath"
done
# Go through all required shared objects and see if any of our other objects are dependants. If so, replace so.ver with so
for ((i=0;i<${#deps[@]};++i)); do
echo "replacing "${deps_soname[i]} ${patched[i]}
replace_needed_sofiles $PREFIX/$ROCM_LIB ${deps_soname[i]} ${patched[i]}
replace_needed_sofiles $PREFIX/_C ${deps_soname[i]} ${patched[i]}
replace_needed_sofiles $PREFIX/$ROCM_LD ${deps_soname[i]} ${patched[i]}
done
# Re-bundle whl with so adjustments
zip -rqy $(basename $pkg) *
if [[ -z "${MANYLINUX_VERSION}" ]]; then
newpkg=$pkg
else
newpkg=$(echo $pkg | sed -e "s/\linux_x86_64/${MANYLINUX_VERSION}/g")
fi
# Remove original whl
rm -f $pkg
# Move rebuilt whl to original location with new name.
mv $(basename $pkg) $newpkg
done