SP HW4 helper

draw.py

import matplotlib.pyplot as plt
import os

def read_thread_time():
    with open('thread_time', 'r') as file:
        s = file.read()
    s = s.split(',')[:-1]
    s = [round(float(i),3) for i in s]
    return s

def read_instructions():
    with open('instructions', 'r') as file:
        s = file.read()
    s = [int(i.replace(',', '')) for i in s.split()]
    print(s)
    return s

def draw(s, output):
    thread = [i for i in range(1,101)]
    plt.plot(thread,s,color = 'r', label="execute time")
    plt.ylabel("Execution time")
    plt.xlabel("# of threads")
    plt.savefig(output)
    plt.clf()

if __name__ == '__main__':
    # os.system('./timer.sh > thread_time')
    draw(read_thread_time(), 'thread_time.png')
    draw(read_instructions(), 'instructions.png')

perf.sh

#!/bin/bash
str=""
for i in {1..100}
do
  perf stat -e instructions:u -v ./hw4 X_train y_train X_test $i
done

# post-processing
# cat instruction_num | grep instructions:u | sed -n 'n;p' | cut -d' ' -f4 > instructions

timer.sh

#!/bin/bash
str=""
for i in {1..100}
do
    command="time ./hw4 X_train y_train X_test $i"
    data=`eval "$command" 2>&1`
    Time=`echo $data | cut -d' ' -f5`
    minutes=`echo $Time | cut -d'm' -f1`
    seconds=`echo $Time | cut -d'm' -f2 | cut -d's' -f1`
    m2s=`expr $minutes \* 60`
    t=`echo "$m2s+$seconds" | bc`
    str="$str$t,"
    echo $i" "$t>&2
done
echo $str