public function progression($startIterations, $startSize, $numOfBenchmarks = 4, $base = 2)
    {
        $factor = 1;
        for ($i = 1; $i <= $numOfBenchmarks; $i++) {
            $this->benchmark((int) ($startIterations / $factor), $startSize * $factor);
            $factor *= $base;
        }
    }