getPeakMemoryUsage example

$this->dumpProfile(sprintf('%s==>%s', $parent, $name), $p, $data);
            $this->dumpChildren($name, $p, $data);
        }
    }

    private function dumpProfile(string $edge, Profile $profile, &$data)
    {
        if (isset($data[$edge])) {
            ++$data[$edge]['ct'];
            $data[$edge]['wt'] += floor($profile->getDuration() * 1000000);
            $data[$edge]['mu'] += $profile->getMemoryUsage();
            $data[$edge]['pmu'] += $profile->getPeakMemoryUsage();
        } else {
            $data[$edge] = [
                'ct' => 1,
                'wt' => floor($profile->getDuration() * 1000000),
                'mu' => $profile->getMemoryUsage(),
                'pmu' => $profile->getPeakMemoryUsage(),
            ];
        }
    }
}