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# Copyright (C) 2024 Habana Labs, Ltd. an Intel Company.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#!/bin/bash
echo "**************************************************************************"
echo "Script to convert Megatron-DeepSpeed Checkpoint into a Universal Checkpoint"
echo "**************************************************************************"
###### INPUTS : START #####
# here for testing only
# MEGATRON_DEEPSPEED_ROOT
# DEEPSPEED_ROOT
# HL_NUM_NODES
# HL_LATEST_CHECKPOINT=<>/checkpoints/global_step48600
# HL_UNIV_CP_EXTRACT_WORKERS
# HL_UNIV_CP_MERGE_WORKERS
# HL_DEVICES_PER_NODE
###### INPUTS : END ######
NUM_NODES=${HL_NUM_NODES:-1}
LATEST_CHECKPOINT=${HL_LATEST_CHECKPOINT:-}
EXTRACT_WORKERS=${HL_UNIV_CP_EXTRACT_WORKERS:-}
MERGE_WORKERS=${HL_UNIV_CP_MERGE_WORKERS:-}
DEVICES_PER_NODE=${HL_DEVICES_PER_NODE:-8}
if [[ -z "$MEGATRON_DEEPSPEED_ROOT" ]]; then
MEGATRON_DEEPSPEED_ROOT=$(realpath $(dirname $0)/../)
fi
if [[ -z "$DEEPSPEED_ROOT" ]]; then
res=$(deepspeed --help)
if [ $? -ne 0 ]; then
echo "please install deepspeed or set DEEPSPEED_ROOT"
fi
DEEPSPEED_ROOT=$(pip show deepspeed | grep -i "^Location:" | cut -d" " -f 2)
fi
if [[ -z "$LATEST_CHECKPOINT" ]]; then
echo "please set HL_LATEST_CHECKPOINT"
exit 1
else
LATEST_CHECKPOINT=${LATEST_CHECKPOINT%/}
fi
echo ${DEEPSPEED_ROOT}
OLD_CARDS=$(ls $LATEST_CHECKPOINT/bf16_zero_pp_rank_*_mp_rank_*_optim_states.pt|wc -l)
NEW_CARDS=$(($NUM_NODES*$DEVICES_PER_NODE))
if [ $OLD_CARDS -ne $NEW_CARDS ]; then
echo "Conversion required as accelerators count has changed from ${OLD_CARDS} to ${NEW_CARDS}"
export PYTHONPATH=$MEGATRON_DEEPSPEED_ROOT:$PYTHONPATH
UNIV_CP_PATH=${LATEST_CHECKPOINT}_universal
mkdir -p $UNIV_CP_PATH
PYTHON_CMD="python ${DEEPSPEED_ROOT}/deepspeed/checkpoint/ds_to_universal.py --input_folder ${LATEST_CHECKPOINT} --output_folder ${UNIV_CP_PATH}"
if [ -n "$EXTRACT_WORKERS" ]; then
PYTHON_CMD="${PYTHON_CMD} --num_extract_workers ${EXTRACT_WORKERS}"
fi
if [ -n "$MERGE_WORKERS" ]; then
PYTHON_CMD="${PYTHON_CMD} --num_merge_workers ${MERGE_WORKERS}"
fi
echo $PYTHON_CMD
eval $PYTHON_CMD
if [ $? -ne 0 ]; then
echo 'Failed to run ds_to_universal.py '
exit 1
else
echo "Conversion to universal checkpoint finished. Converted checkpoint available at ${UNIV_CP_PATH} "
exit 0
fi
else
echo 'Conversion not required as number of accelerators count has not changed'
exit 0
fi
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