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#!/usr/bin/env bash
################################################################################
# Check if hwloc commands exist
################################################################################
declare -i HPCBIND_HAS_HWLOC=1
type hwloc-bind >/dev/null 2>&1
HPCBIND_HAS_HWLOC=$((HPCBIND_HAS_HWLOC & ! $?))
type hwloc-distrib >/dev/null 2>&1
HPCBIND_HAS_HWLOC=$((HPCBIND_HAS_HWLOC & ! $?))
type hwloc-ls >/dev/null 2>&1
HPCBIND_HAS_HWLOC=$((HPCBIND_HAS_HWLOC & ! $?))
type hwloc-calc >/dev/null 2>&1
HPCBIND_HAS_HWLOC=$((HPCBIND_HAS_HWLOC & ! $?))
type hwloc-ps >/dev/null 2>&1
HPCBIND_HAS_HWLOC=$((HPCBIND_HAS_HWLOC & ! $?))
if [[ ${HPCBIND_HAS_HWLOC} -eq 0 ]]; then
echo "hwloc not found, no process binding will occur"
fi
# Get parent cpuset
HPCBIND_HWLOC_PARENT_CPUSET=""
if [[ ${HPCBIND_HAS_HWLOC} -eq 1 ]]; then
MY_PID="$BASHPID"
HPCBIND_HWLOC_PARENT_CPUSET="$(hwloc-ps -a --cpuset | grep ${MY_PID} | cut -f 2)"
fi
################################################################################
# Check if nvidia-smi exist
################################################################################
declare -i HPCBIND_HAS_NVIDIA=0
type nvidia-smi >/dev/null 2>&1
HPCBIND_HAS_NVIDIA=$((!$?))
################################################################################
# Get visible gpu
################################################################################
declare -i NUM_GPUS=0
HPCBIND_VISIBLE_GPUS=""
if [[ ${HPCBIND_HAS_NVIDIA} -eq 1 ]]; then
NUM_GPUS=$(nvidia-smi -L | wc -l);
GPU_LIST="$( seq 0 $((NUM_GPUS-1)) )"
HPCBIND_VISIBLE_GPUS=${CUDA_VISIBLE_DEVICES:-${GPU_LIST}}
fi
declare -i HPCBIND_ENABLE_GPU_MAPPING=$((NUM_GPUS > 0))
################################################################################
# Get queue id
# supports sbatch, bsub, aprun
################################################################################
HPCBIND_QUEUE_NAME=""
declare -i HPCBIND_QUEUE_INDEX=0
declare -i HPCBIND_QUEUE_MAPPING=0
if [[ ! -z "${PMI_RANK}" ]]; then
HPCBIND_QUEUE_MAPPING=1
HPCBIND_QUEUE_NAME="mpich"
HPCBIND_QUEUE_INDEX=${PMI_RANK}
elif [[ ! -z "${OMPI_COMM_WORLD_RANK}" ]]; then
HPCBIND_QUEUE_MAPPING=1
HPCBIND_QUEUE_NAME="openmpi"
HPCBIND_QUEUE_INDEX=${OMPI_COMM_WORLD_RANK}
elif [[ ! -z "${MV2_COMM_WORLD_RANK}" ]]; then
HPCBIND_QUEUE_MAPPING=1
HPCBIND_QUEUE_NAME="mvapich2"
HPCBIND_QUEUE_INDEX=${MV2_COMM_WORLD_RANK}
elif [[ ! -z "${SLURM_LOCAL_ID}" ]]; then
HPCBIND_QUEUE_MAPPING=1
HPCBIND_QUEUE_NAME="slurm"
HPCBIND_QUEUE_INDEX=${SLURM_LOCAL_ID}
elif [[ ! -z "${LBS_JOBINDEX}" ]]; then
HPCBIND_QUEUE_MAPPING=1
HPCBIND_QUEUE_NAME="bsub"
HPCBIND_QUEUE_INDEX=${LBS_JOBINDEX}
elif [[ ! -z "${ALPS_APP_PE}" ]]; then
HPCBIND_QUEUE_MAPPING=1
HPCBIND_QUEUE_NAME="aprun"
HPCBIND_QUEUE_INDEX=${ALPS_APP_PE}
fi
################################################################################
# Show help
################################################################################
function show_help {
local cmd=$(basename "$0")
echo "Usage: ${cmd} <options> -- command ..."
echo " Set the process mask, OMP environment variables and CUDA environment"
echo " variables to sane values if possible. Uses hwloc and nvidia-smi if"
echo " available. Will preserve the current process binding, so it is safe"
echo " to use with a queuing system or mpiexec."
echo ""
echo "Options:"
echo " --no-hwloc-bind Disable binding"
echo " --proc-bind=<LOC> Set the initial process mask for the script"
echo " LOC can be any valid location argument for"
echo " hwloc-calc Default: all"
echo " --whole-system ${cmd} will ignore the its parent process binding"
echo " --distribute=N Distribute the current cpuset into N partitions"
echo " --distribute-partition=I"
echo " Use the i'th partition (zero based)"
echo " --visible-gpus=<L> Comma separated list of gpu ids"
echo " Default: CUDA_VISIBLE_DEVICES or all gpus in"
echo " sequential order"
echo " --ignore-queue Ignore queue job id when choosing visible GPU and partition"
echo " --no-gpu-mapping Do not set CUDA_VISIBLE_DEVICES"
echo " --openmp=M.m Set env variables for the given OpenMP version"
echo " Default: 4.0"
echo " --openmp-percent=N Integer percentage of cpuset to use for OpenMP"
echo " threads Default: 100"
echo " --openmp-places=<Op> Op=threads|cores|sockets. Default: threads"
echo " --no-openmp-proc-bind Set OMP_PROC_BIND to false and unset OMP_PLACES"
echo " --force-openmp-num-threads=N"
echo " Override logic for selecting OMP_NUM_THREADS"
echo " --force-openmp-proc-bind=<OP>"
echo " Override logic for selecting OMP_PROC_BIND"
echo " --no-openmp-nested Set OMP_NESTED to false"
echo " --output-prefix=<P> Save the output to files of the form"
echo " P-N.log, P-N.out and P-N.err where P is the prefix"
echo " and N is the queue index or mpi rank (no spaces)"
echo " --output-mode=<Op> How console output should be handled."
echo " Options are all, rank0, and none. Default: rank0"
echo " --lstopo Show bindings in lstopo"
echo " -v|--verbose Print bindings and relevant environment variables"
echo " -h|--help Show this message"
echo ""
echo "Sample Usage:"
echo " Split the current process cpuset into 4 and use the 3rd partition"
echo " ${cmd} --distribute=4 --distribute-partition=2 -v -- command ..."
echo " Launch 16 jobs over 4 nodes with 4 jobs per node using only the even pus"
echo " and save the output to rank specific files"
echo " mpiexec -N 16 -npernode 4 ${cmd} --whole-system --proc-bind=pu:even \\"
echo " --distribute=4 -v --output-prefix=output -- command ..."
echo " Bind the process to all even cores"
echo " ${cmd} --proc-bind=core:even -v -- command ..."
echo " Bind the the even cores of socket 0 and the odd cores of socket 1"
echo " ${cmd} --proc-bind='socket:0.core:even socket:1.core:odd' -v -- command ..."
echo " Skip GPU 0 when mapping visible devices"
echo " ${cmd} --distribute=4 --distribute-partition=0 --visible-gpus=1,2 -v -- command ..."
echo " Display the current bindings"
echo " ${cmd} --proc-bind=numa:0 -- command"
echo " Display the current bindings using lstopo"
echo " ${cmd} --proc-bind=numa:0.core:odd --lstopo"
echo ""
}
################################################################################
# Parse command line arguments
################################################################################
# Show help if no command line arguments given
if [[ "$#" -eq 0 ]]; then
show_help
exit 0
fi
declare -a UNKNOWN_ARGS=()
declare -i HPCBIND_ENABLE_HWLOC_BIND=${HPCBIND_HAS_HWLOC}
declare -i HPCBIND_DISTRIBUTE=1
declare -i HPCBIND_PARTITION=-1
HPCBIND_PROC_BIND="all"
HPCBIND_OPENMP_VERSION=4.0
declare -i HPCBIND_OPENMP_PERCENT=100
HPCBIND_OPENMP_PLACES=${OMP_PLACES:-threads}
declare -i HPCBIND_OPENMP_PROC_BIND=1
declare -i HPCBIND_OPENMP_FORCE_NUM_THREADS=-1
HPCBIND_OPENMP_FORCE_PROC_BIND=""
HPCBIND_OPENMP_NESTED=${OMP_NESTED:-true}
declare -i HPCBIND_VERBOSE=0
declare -i HPCBIND_LSTOPO=0
HPCBIND_OUTPUT_PREFIX=""
HPCBIND_OUTPUT_MODE="rank0"
declare -i HPCBIND_HAS_COMMAND=0
for i in "$@"; do
case "$i" in
# number of partitions to create
--no-hwloc-bind)
HPCBIND_ENABLE_HWLOC_BIND=0
shift
;;
--proc-bind=*)
HPCBIND_PROC_BIND="${i#*=}"
shift
;;
--whole-system)
HPCBIND_HWLOC_PARENT_CPUSET=""
shift
;;
--distribute=*)
HPCBIND_DISTRIBUTE="${i#*=}"
shift
;;
# which partition to use
--distribute-partition=*)
HPCBIND_PARTITION="${i#*=}"
shift
;;
--visible-gpus=*)
HPCBIND_VISIBLE_GPUS=$(echo "${i#*=}" | tr ',' ' ')
shift
;;
--ignore-queue)
HPCBIND_QUEUE_MAPPING=0
shift
;;
--no-gpu-mapping)
HPCBIND_ENABLE_GPU_MAPPING=0
shift
;;
--openmp=*)
HPCBIND_OPENMP_VERSION="${i#*=}"
shift
;;
--openmp-percent=*)
HPCBIND_OPENMP_PERCENT="${i#*=}"
shift
;;
--openmp-places=*)
HPCBIND_OPENMP_PLACES="${i#*=}"
shift
;;
--no-openmp-proc-bind)
HPCBIND_OPENMP_PROC_BIND=0
shift
;;
--force-openmp-proc-bind=*)
HPCBIND_OPENMP_FORCE_PROC_BIND="${i#*=}"
shift
;;
--force-openmp-num-threads=*)
HPCBIND_OPENMP_FORCE_NUM_THREADS="${i#*=}"
shift
;;
--no-openmp-nested)
HPCBIND_OPENMP_NESTED="false"
shift
;;
--output-prefix=*)
HPCBIND_OUTPUT_PREFIX="${i#*=}"
shift
;;
--output-mode=*)
HPCBIND_OUTPUT_MODE="${i#*=}"
#convert to lower case
HPCBIND_OUTPUT_MODE="${HPCBIND_OUTPUT_MODE,,}"
shift
;;
--lstopo)
HPCBIND_VERBOSE=1
HPCBIND_LSTOPO=1
shift
;;
-v|--verbose)
HPCBIND_VERBOSE=1
shift
;;
-h|--help)
show_help
exit 0
;;
# ignore remaining arguments
--)
HPCBIND_HAS_COMMAND=1
shift
break
;;
# unknown option
*)
UNKNOWN_ARGS+=("$i")
shift
;;
esac
done
################################################################################
# Check output mode
################################################################################
declare -i HPCBIND_TEE=0
if [[ "${HPCBIND_OUTPUT_MODE}" == "none" ]]; then
HPCBIND_TEE=0
elif [[ "${HPCBIND_OUTPUT_MODE}" == "all" ]]; then
HPCBIND_TEE=1
elif [[ ${HPCBIND_QUEUE_INDEX} -eq 0 ]]; then
#default to rank0 printing to screen
HPCBIND_TEE=1
fi
if [[ "${HPCBIND_OUTPUT_PREFIX}" == "" ]]; then
HPCBIND_LOG=/dev/null
HPCBIND_ERR=/dev/null
HPCBIND_OUT=/dev/null
else
HPCBIND_LOG="${HPCBIND_OUTPUT_PREFIX}-${HPCBIND_QUEUE_INDEX}.hpc.log"
HPCBIND_ERR="${HPCBIND_OUTPUT_PREFIX}-${HPCBIND_QUEUE_INDEX}.err"
HPCBIND_OUT="${HPCBIND_OUTPUT_PREFIX}-${HPCBIND_QUEUE_INDEX}.out"
> ${HPCBIND_LOG}
fi
################################################################################
# Check unknown arguments
################################################################################
if [[ ${#UNKNOWN_ARGS[*]} > 0 ]]; then
echo "HPCBIND Uknown options: ${UNKNOWN_ARGS[*]}" > >(tee -a ${HPCBIND_LOG})
exit 1
fi
################################################################################
# Check that visible gpus are valid
################################################################################
HPCBIND_VISIBLE_GPUS=(${HPCBIND_VISIBLE_GPUS})
if [[ ${HPCBIND_ENABLE_GPU_MAPPING} -eq 1 ]]; then
for ((i=0; i < ${#HPCBIND_VISIBLE_GPUS[*]}; i++)); do
if [[ ${HPCBIND_VISIBLE_GPUS[$i]} -ge ${NUM_GPUS} ||
${HPCBIND_VISIBLE_GPUS[$i]} -lt 0 ]]; then
echo "HPCBIND Invaild GPU ID ${HPCBIND_VISIBLE_GPUS[$i]} (setting to 0)" > >(tee -a ${HPCBIND_LOG})
HPCBIND_VISIBLE_GPUS[$i]=0;
fi
done
NUM_GPUS=${#HPCBIND_VISIBLE_GPUS[@]}
fi
################################################################################
# Check OpenMP percent
################################################################################
if [[ ${HPCBIND_OPENMP_PERCENT} -lt 1 ]]; then
HPCBIND_OPENMP_PERCENT=1
elif [[ ${HPCBIND_OPENMP_PERCENT} -gt 100 ]]; then
HPCBIND_OPENMP_PERCENT=100
fi
################################################################################
# Check distribute
################################################################################
if [[ ${HPCBIND_DISTRIBUTE} -le 0 ]]; then
HPCBIND_DISTRIBUTE=1
fi
################################################################################
#choose the correct partition
################################################################################
if [[ ${HPCBIND_PARTITION} -lt 0 && ${HPCBIND_QUEUE_MAPPING} -eq 1 ]]; then
HPCBIND_PARTITION=${HPCBIND_QUEUE_INDEX}
elif [[ ${HPCBIND_PARTITION} -lt 0 ]]; then
HPCBIND_PARTITION=0
fi
if [[ ${HPCBIND_PARTITION} -ge ${HPCBIND_DISTRIBUTE} ]]; then
HPCBIND_PARTITION=$((HPCBIND_PARTITION % HPCBIND_DISTRIBUTE))
fi
################################################################################
# Find cpuset and num threads
################################################################################
HPCBIND_HWLOC_CPUSET=""
declare -i HPCBIND_NUM_PUS=0
if [[ ${HPCBIND_ENABLE_HWLOC_BIND} -eq 1 ]]; then
if [[ "${HPCBIND_HWLOC_PARENT_CPUSET}" == "" ]]; then
BINDING=$(hwloc-calc ${HPCBIND_PROC_BIND[*]})
else
BINDING=$(hwloc-calc --restrict ${HPCBIND_HWLOC_PARENT_CPUSET} ${HPCBIND_PROC_BIND[*]})
fi
if [[ ${HPCBIND_DISTRIBUTE} -gt 1 ]]; then
CPUSETS=($(hwloc-distrib --restrict ${BINDING} --at core ${HPCBIND_DISTRIBUTE}))
HPCBIND_HWLOC_CPUSET="${CPUSETS[${HPCBIND_PARTITION}]}"
else
HPCBIND_HWLOC_CPUSET="${BINDING}"
fi
HPCBIND_NUM_PUS=$(hwloc-ls --restrict ${HPCBIND_HWLOC_CPUSET} --only pu | wc -l)
else
HPCBIND_NUM_PUS=$(cat /proc/cpuinfo | grep -c processor)
fi
declare -i HPCBIND_OPENMP_NUM_THREADS=$((HPCBIND_NUM_PUS * HPCBIND_OPENMP_PERCENT))
HPCBIND_OPENMP_NUM_THREADS=$((HPCBIND_OPENMP_NUM_THREADS / 100))
if [[ ${HPCBIND_OPENMP_NUM_THREADS} -lt 1 ]]; then
HPCBIND_OPENMP_NUM_THREADS=1
elif [[ ${HPCBIND_OPENMP_NUM_THREADS} -gt ${HPCBIND_NUM_PUS} ]]; then
HPCBIND_OPENMP_NUM_THREADS=${HPCBIND_NUM_PUS}
fi
if [[ ${HPCBIND_OPENMP_FORCE_NUM_THREADS} -gt 0 ]]; then
HPCBIND_OPENMP_NUM_THREADS=${HPCBIND_OPENMP_FORCE_NUM_THREADS}
fi
################################################################################
# Set OpenMP environment variables
################################################################################
# set OMP_NUM_THREADS
export OMP_NUM_THREADS=${HPCBIND_OPENMP_NUM_THREADS}
# set OMP_PROC_BIND and OMP_PLACES
if [[ ${HPCBIND_OPENMP_PROC_BIND} -eq 1 ]]; then
if [[ "${HPCBIND_OPENMP_FORCE_PROC_BIND}" == "" ]]; then
#default proc bind logic
if [[ "${HPCBIND_OPENMP_VERSION}" == "4.0" || "${HPCBIND_OPENMP_VERSION}" > "4.0" ]]; then
export OMP_PLACES="${HPCBIND_OPENMP_PLACES}"
export OMP_PROC_BIND="spread"
else
export OMP_PROC_BIND="true"
unset OMP_PLACES
fi
else
#force proc bind
export OMP_PLACES="${HPCBIND_OPENMP_PLACES}"
export OMP_PROC_BIND="${HPCBIND_OPENMP_FORCE_PROC_BIND}"
fi
else
# no openmp proc bind
unset OMP_PLACES
unset OMP_PROC_BIND
fi
# set OMP_NESTED
export OMP_NESTED=${HPCBIND_OPENMP_NESTED}
################################################################################
# Set CUDA environment variables
################################################################################
if [[ ${HPCBIND_ENABLE_GPU_MAPPING} -eq 1 ]]; then
if [[ ${HPCBIND_QUEUE_MAPPING} -eq 0 ]]; then
declare -i GPU_ID=$((HPCBIND_PARTITION % NUM_GPUS))
export CUDA_VISIBLE_DEVICES="${HPCBIND_VISIBLE_GPUS[${GPU_ID}]}"
else
declare -i MY_TASK_ID=$((HPCBIND_QUEUE_INDEX * HPCBIND_DISTRIBUTE + HPCBIND_PARTITION))
declare -i GPU_ID=$((MY_TASK_ID % NUM_GPUS))
export CUDA_VISIBLE_DEVICES="${HPCBIND_VISIBLE_GPUS[${GPU_ID}]}"
fi
fi
################################################################################
# Set hpcbind environment variables
################################################################################
export HPCBIND_HAS_HWLOC=${HPCBIND_HAS_HWLOC}
export HPCBIND_HAS_NVIDIA=${HPCBIND_HAS_NVIDIA}
export HPCBIND_NUM_PUS=${HPCBIND_NUM_PUS}
export HPCBIND_HWLOC_CPUSET="${HPCBIND_HWLOC_CPUSET}"
export HPCBIND_HWLOC_DISTRIBUTE=${HPCBIND_DISTRIBUTE}
export HPCBIND_HWLOC_DISTRIBUTE_PARTITION=${HPCBIND_PARTITION}
if [[ "${HPCBIND_HWLOC_PARENT_CPUSET}" == "" ]]; then
export HPCBIND_HWLOC_PARENT_CPUSET="all"
else
export HPCBIND_HWLOC_PARENT_CPUSET="${HPCBIND_HWLOC_PARENT_CPUSET}"
fi
export HPCBIND_HWLOC_PROC_BIND="${HPCBIND_PROC_BIND}"
export HPCBIND_NVIDIA_ENABLE_GPU_MAPPING=${HPCBIND_ENABLE_GPU_MAPPING}
export HPCBIND_NVIDIA_VISIBLE_GPUS=$(echo "${HPCBIND_VISIBLE_GPUS[*]}" | tr ' ' ',')
export HPCBIND_OPENMP_VERSION="${HPCBIND_OPENMP_VERSION}"
if [[ "${HPCBIND_QUEUE_NAME}" != "" ]]; then
export HPCBIND_QUEUE_INDEX=${HPCBIND_QUEUE_INDEX}
export HPCBIND_QUEUE_NAME="${HPCBIND_QUEUE_NAME}"
export HPCBIND_QUEUE_MAPPING=${HPCBIND_QUEUE_MAPPING}
fi
################################################################################
# Print verbose
################################################################################
TMP_ENV=$(env | sort)
if [[ ${HPCBIND_TEE} -eq 0 || ${HPCBIND_VERBOSE} -eq 0 ]]; then
echo "[HOST]" >> ${HPCBIND_LOG}
hostname -s >> ${HPCBIND_LOG}
echo "[HPCBIND]" >> ${HPCBIND_LOG}
echo "${TMP_ENV}" | grep -E "^HPCBIND_" >> ${HPCBIND_LOG}
echo "[CUDA]" >> ${HPCBIND_LOG}
echo "${TMP_ENV}" | grep -E "^CUDA_" >> ${HPCBIND_LOG}
echo "[OPENMP]" >> ${HPCBIND_LOG}
echo "${TMP_ENV}" | grep -E "^OMP_" >> ${HPCBIND_LOG}
if [[ ${HPCBIND_HAS_HWLOC} -eq 1 ]]; then
echo "[BINDINGS]" >> ${HPCBIND_LOG}
hwloc-ls --restrict "${HPCBIND_HWLOC_CPUSET}" --only pu >> ${HPCBIND_LOG}
else
echo "Unable to show bindings, hwloc not available." >> ${HPCBIND_LOG}
fi
else
echo "[HOST]" > >(tee -a ${HPCBIND_LOG})
hostname -s > >(tee -a ${HPCBIND_LOG})
echo "[HPCBIND]" > >(tee -a ${HPCBIND_LOG})
echo "${TMP_ENV}" | grep -E "^HPCBIND_" > >(tee -a ${HPCBIND_LOG})
echo "[CUDA]" > >(tee -a ${HPCBIND_LOG})
echo "${TMP_ENV}" | grep -E "^CUDA_" > >(tee -a ${HPCBIND_LOG})
echo "[OPENMP]" > >(tee -a ${HPCBIND_LOG})
echo "${TMP_ENV}" | grep -E "^OMP_" > >(tee -a ${HPCBIND_LOG})
if [[ ${HPCBIND_HAS_HWLOC} -eq 1 ]]; then
echo "[BINDINGS]" > >(tee -a ${HPCBIND_LOG})
hwloc-ls --restrict "${HPCBIND_HWLOC_CPUSET}" --only pu > >(tee -a ${HPCBIND_LOG})
else
echo "Unable to show bindings, hwloc not available." > >(tee -a ${HPCBIND_LOG})
fi
fi
################################################################################
# Run command
################################################################################
# must be the last executed command so that the return value is correct
if [[ ${HPCBIND_LSTOPO} -eq 1 && ${HPCBIND_HAS_HWLOC} -eq 1 && ${HPCBIND_ENABLE_HWLOC_BIND} -eq 1 && ! -z ${DISPLAY} ]]; then
hwloc-bind "${HPCBIND_HWLOC_CPUSET}" -- lstopo --pid 0
elif [[ ${HPCBIND_HAS_COMMAND} -eq 1 ]]; then
# clear output files
> ${HPCBIND_ERR}
> ${HPCBIND_OUT}
if [[ ${HPCBIND_TEE} -eq 0 ]]; then
if [[ ${HPCBIND_ENABLE_HWLOC_BIND} -eq 1 ]]; then
hwloc-bind "${HPCBIND_HWLOC_CPUSET}" -- $@ > ${HPCBIND_OUT} 2> ${HPCBIND_ERR}
else
eval $@ > ${HPCBIND_OUT} 2> ${HPCBIND_ERR}
fi
else
if [[ ${HPCBIND_ENABLE_HWLOC_BIND} -eq 1 ]]; then
hwloc-bind "${HPCBIND_HWLOC_CPUSET}" -- $@ > >(tee ${HPCBIND_OUT}) 2> >(tee ${HPCBIND_ERR} >&2)
else
eval $@ > >(tee ${HPCBIND_OUT}) 2> >(tee ${HPCBIND_ERR} >&2)
fi
fi
fi
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