Diff Report
Run #519b1557bbc04: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b1ad213669: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519b1557bbc04Run #519b1ad213669DiffDiff%
Number of Function Calls20 25 5 25.0%
Incl. Wall Time (microsec)4,830 7,574 2,744 56.8%
Incl. Wall Time (microsec) per call 242 303 61 25.4%
Excl. Wall Time (microsec)110 162 52 47.3%
Incl. CPU (microsecs)4,857 7,615 2,758 56.8%
Incl. CPU (microsecs) per call 243 305 62 25.4%
Excl. CPU (microsec)128 191 63 49.2%
Incl. MemUse (bytes)405,808 623,400 217,592 53.6%
Incl. MemUse (bytes) per call 20,290 24,936 4,646 22.9%
Excl. MemUse (bytes)2,760 4,664 1,904 69.0%
Incl. PeakMemUse (bytes)406,312 567,104 160,792 39.6%
Incl. PeakMemUse (bytes) per call 20,316 22,684 2,369 11.7%
Excl. PeakMemUse (bytes)2,248 2,328 80 3.6%

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::getDriverClass5 55.6% 2,744 22.8% 2,758 18.3% 217,592 84.9% 160,792 71.8%
Exclusive Metrics Diff for Current Function52 1.9% 63 2.3% 1,904 0.9% 80 0.0%
Parent functions
Drupal\Core\Database\Connection::insert3 60.0% 1,383 50.4% 1,390 50.4% 110,064 50.6% 113,128 70.4%
Drupal\Core\Database\Connection::merge1 20.0% 1,163 42.4% 1,165 42.2% 107,568 49.4% 47,704 29.7%
Drupal\Core\Database\Connection::select1 20.0% 193 7.0% 197 7.1% -40 -0.0% -40 -0.0%
Drupal\Core\Database\Query\SelectExtender::extend0 0.0% 5 0.2% 6 0.2% 0 0.0% 0 0.0%
Child functions
class_exists2 50.0% 2,688 98.0% 2,690 97.5% 215,528 99.1% 160,712 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver2 50.0% 4 0.1% 5 0.2% 160 0.1% 0 0.0%