build.sh

#!/bin/sh
rm -rf build
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release ..
make
make benchmarks > out.txt

parse_benchmark_output.py

import pandas as pd

def readout(name='out.txt', as_df=False):
    lines = open(name).read()
    lines = lines.replace('microseconds', '#')
    lines = lines.split('\n')
    lines = (l.strip() for l in lines)
    lines = (l[3:] for l in lines if l[:3] == '-- ')
    lines = (l.split('#')[0] for l in lines)
    lines = (l.split(':') for l in lines)

    out = [(name, float(val))  for name, val in lines]
    out = sorted(out)
    
    if as_df:
        out = pd.DataFrame(out)
        out.columns = ['name', 'ms']
    
    return out