XHProf: Hierarchical Profiler Report

Diff Report: Run #52c96d7c36f9e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96dcbc5e6a: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Component\Uuid\Php::generate	Run #52c96d7c36f9e	Run #52c96dcbc5e6a	Diff	Diff%
Number of Function Calls	5	5	0	0.0%
Incl. Wall Time (microsec)	921	924	3	0.3%
Incl. Wall Time (microsec) per call	184	185	1	0.3%
Excl. Wall Time (microsec)	140	139	-1	-0.7%
Incl. CPU (microsecs)	928	931	3	0.3%
Incl. CPU (microsecs) per call	186	186	1	0.3%
Excl. CPU (microsec)	88	88	0	0.0%
Incl. MemUse (bytes)	30,184	30,192	8	0.0%
Incl. MemUse (bytes) per call	6,037	6,038	2	0.0%
Excl. MemUse (bytes)	-112	-128	-16	-14.3%
Incl. PeakMemUse (bytes)	54,192	54,216	24	0.0%
Incl. PeakMemUse (bytes) per call	10,838	10,843	5	0.0%
Excl. PeakMemUse (bytes)	552	552	0	0.0%

Function Name	Calls Diff	Calls Diff%	Incl. Wall Diff (microsec)	IWall Diff%	Incl. CPU Diff (microsec)	ICpu Diff%	Incl. MemUse Diff (bytes)	IMemUse Diff%	Incl. PeakMemUse Diff (bytes)	IPeakMemUse Diff%
*Current Function*
Drupal\Component\Uuid\Php::generate	0	N/A%	3	0.4%	3	0.2%	8	0.0%	24	0.0%
Exclusive Metrics Diff for Current Function			-1	-33.3%	0	0.0%	-16	-200.0%	0	0.0%
*Parent functions*
Drupal\Core\Field\Plugin\Field\FieldType\UuidItem::applyDefaultValue	0	N/A%	-20	-666.7%	-20	-666.7%	0	0.0%	0	0.0%
Drupal\Core\Entity\DatabaseStorageController::create	0	N/A%	19	633.3%	19	633.3%	0	0.0%	0	0.0%
Drupal\Core\Config\Context\ConfigContext::setUuid	0	N/A%	4	133.3%	4	133.3%	8	100.0%	24	100.0%
*Child functions*
Drupal\Component\Utility\Crypt::randomBytes	0	N/A%	3	100.0%	5	166.7%	24	300.0%	24	100.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	1	33.3%	0	0.0%	0	0.0%	0	0.0%
sprintf	0	N/A%	0	0.0%	2	66.7%	0	0.0%	0	0.0%
base_convert	0	N/A%	0	0.0%	4	133.3%	0	0.0%	0	0.0%
hash	0	N/A%	0	0.0%	-3	-100.0%	0	0.0%	0	0.0%
substr	0	N/A%	0	0.0%	-5	-166.7%	0	0.0%	0	0.0%