Diff Report
Run #519de1c349c58: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519de2415c35a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #519de1c349c58Run #519de2415c35aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)806 871 65 8.1%
Incl. Wall Time (microsec) per call 806 871 65 8.1%
Excl. Wall Time (microsec)38 41 3 7.9%
Incl. CPU (microsecs)288 315 27 9.4%
Incl. CPU (microsecs) per call 288 315 27 9.4%
Excl. CPU (microsec)35 35 0 0.0%
Incl. MemUse (bytes)12,872 12,872 0 0.0%
Incl. MemUse (bytes) per call 12,872 12,872 0 0.0%
Excl. MemUse (bytes)3,184 3,184 0 0.0%
Incl. PeakMemUse (bytes)12,280 12,280 0 0.0%
Incl. PeakMemUse (bytes) per call 12,280 12,280 0 0.0%
Excl. PeakMemUse (bytes)1,680 1,680 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Driver\mysql\Connection::open [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\Driver\mysql\Connection::open0 N/A% 65 8.6% 27 8.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 4.6% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 65 100.0% 27 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 60 92.3% 12 44.4% 0 N/A% 0 N/A%
implode0 N/A% 2 3.1% 4 14.8% 0 N/A% 0 N/A%
PDO::exec0 N/A% 0 0.0% 11 40.7% 0 N/A% 0 N/A%