#!/bin/bash

benchmark() {
    total_real_time=0
    total_user_time=0
    total_system_time=0
    for ((i=0; i<$1; i++)); do
        printf "\r%04d/%04d %s" $i $1 "$2" >&2
        time_slept=($( (TIMEFORMAT="%R %U %S"; time $2 1>/dev/null) |& tr -d . ))

        #echo -e "${time_slept[@]}\n"

        #((total_real_time+=$(echo ${time_slept[0]} | sed 's/^0*(?=[0-9])//;s/^0/0/')))
	((total_real_time+=$(printf '%d' $(echo ${time_slept[0]} | sed 's/^0*//'))))
        #((total_user_time+=$(echo ${time_slept[1]} | sed 's/^0*(?=[0-9])//;s/^0/0/')))
	((total_user_time+=$(printf '%d' $(echo ${time_slept[1]} | sed 's/^0*//'))))
        #((total_system_time+=$(echo ${time_slept[2]} | sed 's/^0*(?=[0-9])//;s/^0/0/')))
	((total_system_time+=$(printf '%d' $(echo ${time_slept[2]} | sed 's/^0*//'))))
    done

    printf "\n" >&2

    echo "Total real time: ${total_real_time}ms; Average real time: $(bc <<< "scale=3; $total_real_time / $1")ms"
    echo "Total user time: ${total_user_time}ms; Average user time: $(bc <<< "scale=3; $total_user_time / $1")ms"
    echo "Total system time: ${total_system_time}ms; Average system time: $(bc <<< "scale=3; $total_system_time / $1")ms"
}

# benchmark 3 'sleep 1s'
#benchmark 3 'python3 ../../Python/code_cycle.py'