Diff Report
Run #51972fb0786ef: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5197310fa6a63: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #51972fb0786efRun #5197310fa6a63DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)44,634 44,872 238 0.5%
Incl. Wall Time (microsec) per call 6,376 6,410 34 0.5%
Excl. Wall Time (microsec)759 747 -12 -1.6%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 571 571 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)559,096 559,096 0 0.0%
Incl. MemUse (bytes) per call 79,871 79,871 0 0.0%
Excl. MemUse (bytes)2,544 2,544 0 0.0%
Incl. PeakMemUse (bytes)553,024 553,024 0 0.0%
Incl. PeakMemUse (bytes) per call 79,003 79,003 0 0.0%
Excl. PeakMemUse (bytes)1,208 1,208 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::getDriverClass [View Callgraph Diff]


Function NameCalls DiffCalls
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\Core\Database\Connection::getDriverClass0 N/A% 238 0.1% 4,000 16.7% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-12 -5.0% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::select0 N/A% 238 100.0% 4,000 100.0% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 250 105.0% 4,000 100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%