Diff Report
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #517c1c27a12c9Run #517c1bb406b02DiffDiff%
Number of Function Calls3 156 153 5100.0%
Incl. Wall Time (microsec)571 1,206 635 111.2%
Incl. Wall Time (microsec) per call 190 8 -183 -95.9%
Excl. Wall Time (microsec)18 219 201 1116.7%
Incl. CPU (microsecs)576 1,316 740 128.5%
Incl. CPU (microsecs) per call 192 8 -184 -95.6%
Excl. CPU (microsec)19 320 301 1584.2%
Incl. MemUse (bytes)146,512 224,592 78,080 53.3%
Incl. MemUse (bytes) per call 48,837 1,440 -47,398 -97.1%
Excl. MemUse (bytes)1,896 3,856 1,960 103.4%
Incl. PeakMemUse (bytes)145,328 197,336 52,008 35.8%
Incl. PeakMemUse (bytes) per call 48,443 1,265 -47,178 -97.4%
Excl. PeakMemUse (bytes)1,704 2,824 1,120 65.7%

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::getDriverClass153 97.5% 635 0.2% 740 0.6% 78,080 17.5% 52,008 9.1%
Exclusive Metrics Diff for Current Function201 31.7% 301 40.7% 1,960 2.5% 1,120 2.2%
Parent functions
Drupal\Core\Database\Connection::insert151 98.7% 368 58.0% 466 63.0% 31,992 41.0% 22,880 44.0%
Drupal\Core\Database\Connection::merge1 0.7% 170 26.8% 172 23.2% 46,072 59.0% 29,384 56.5%
Drupal\Core\Database\Connection::select1 0.7% 97 15.3% 102 13.8% 16 0.0% -256 -0.5%
Child functions
class_exists2 50.0% 432 68.0% 436 58.9% 76,024 97.4% 50,840 97.8%
Drupal\Core\Database\Driver\mysql\Connection::driver2 50.0% 2 0.3% 3 0.4% 96 0.1% 48 0.1%