Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls156 3 -153 -98.1%
Incl. Wall Time (microsec)1,206 571 -635 -52.7%
Incl. Wall Time (microsec) per call 8 190 183 2362.0%
Excl. Wall Time (microsec)219 18 -201 -91.8%
Incl. CPU (microsecs)1,316 576 -740 -56.2%
Incl. CPU (microsecs) per call 8 192 184 2176.0%
Excl. CPU (microsec)320 19 -301 -94.1%
Incl. MemUse (bytes)224,592 146,512 -78,080 -34.8%
Incl. MemUse (bytes) per call 1,440 48,837 47,398 3292.2%
Excl. MemUse (bytes)3,856 1,896 -1,960 -50.8%
Incl. PeakMemUse (bytes)197,336 145,328 -52,008 -26.4%
Incl. PeakMemUse (bytes) per call 1,265 48,443 47,178 3729.5%
Excl. PeakMemUse (bytes)2,824 1,704 -1,120 -39.7%

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::getDriverClass-153 -97.5% -635 -0.2% -740 -0.6% -78,080 -17.5% -52,008 -9.1%
Exclusive Metrics Diff for Current Function-201 -31.7% -301 -40.7% -1,960 -2.5% -1,120 -2.2%
Parent functions
Drupal\Core\Database\Connection::merge-1 -0.7% -170 -26.8% -172 -23.2% -46,072 -59.0% -29,384 -56.5%
Drupal\Core\Database\Connection::insert-151 -98.7% -368 -58.0% -466 -63.0% -31,992 -41.0% -22,880 -44.0%
Drupal\Core\Database\Connection::select-1 -0.7% -97 -15.3% -102 -13.8% -16 -0.0% 256 0.5%
Child functions
class_exists-2 -50.0% -432 -68.0% -436 -58.9% -76,024 -97.4% -50,840 -97.8%
Drupal\Core\Database\Driver\mysql\Connection::driver-2 -50.0% -2 -0.3% -3 -0.4% -96 -0.1% -48 -0.1%