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Fix slurm multinode example #3229

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Fix slurm multinode example #3229

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81f1d78
Update complete_nlp_example.py
ffrancesco94 Nov 8, 2024
b71085a
Update submit_multinode.sh
ffrancesco94 Nov 8, 2024
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11 changes: 8 additions & 3 deletions examples/complete_nlp_example.py
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Original file line number Diff line number Diff line change
Expand Up @@ -246,9 +246,14 @@ def collate_fn(examples):
references=references,
)

eval_metric = metric.compute()
# Use accelerator.print to print only on the main process.
accelerator.print(f"epoch {epoch}:", eval_metric)
if accelerator.is_main_process:
# Computing metrics in a distributed manner requires calling evaluate.load() with the
# n_process and process_id arguments. However, the metric.add_batch() step will fail
# due to a bug with datasets and evaluate (see https://github.com/huggingface/evaluate/issues/542)
# and related
eval_metric = metric.compute()
# Use accelerator.print to print only on the main process.
accelerator.print(f"epoch {epoch}:", eval_metric)
if args.with_tracking:
accelerator.log(
{
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15 changes: 10 additions & 5 deletions examples/slurm/submit_multinode.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -7,28 +7,33 @@
#SBATCH --nodes=4 # number of nodes
#SBATCH --ntasks-per-node=1 # number of MP tasks
#SBATCH --gres=gpu:4 # number of GPUs per node
#SBATCH --cpus-per-task=160 # number of cores per tasks
#SBATCH --cpus-per-task=80 # number of cores per tasks
#SBATCH --time=01:59:00 # maximum execution time (HH:MM:SS)

######################
### Set enviroment ###
######################
source activateEnvironment.sh
export SRUN_CPUS_PER_TASK=${SLURM_CPUS_PER_TASK}
export GPUS_PER_NODE=4
######################

######################
#### Set network #####
######################
head_node_ip=$(scontrol show hostnames $SLURM_JOB_NODELIST | head -n 1)
NODE_RANK=$SLURM_PROCID
######################

export LAUNCHER="accelerate launch \
--num_processes $((SLURM_NNODES * GPUS_PER_NODE)) \
--num_machines $SLURM_NNODES \
--num_processes $((SLURM_JOB_NUM_NODES * GPUS_PER_NODE)) \
--num_machines $SLURM_JOB_NUM_NODES \
--rdzv_backend c10d \
--main_process_ip $head_node_ip \
--main_process_port 29500 \
--role $SLURMD_NODENAME: \
--machine_rank $NODE_RANK \
--multi_gpu \
"
export ACCELERATE_DIR="${ACCELERATE_DIR:-/accelerate}"
export SCRIPT="${ACCELERATE_DIR}/examples/complete_nlp_example.py"
Expand All @@ -38,5 +43,5 @@ export SCRIPT_ARGS=" \
"

# This step is necessary because accelerate launch does not handle multiline arguments properly
export CMD="$LAUNCHER $PYTHON_FILE $ARGS"
srun $CMD
export CMD="$LAUNCHER $SCRIPT $SCRIPT_ARGS"
srun $CMD