Diff Report
Run #530ef19752730: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ef14e56c65: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #530ef19752730Run #530ef14e56c65DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)542 703 161 29.7%
Incl. Wall Time (microsec) per call 542 703 161 29.7%
Excl. Wall Time (microsec)44 49 5 11.4%
Incl. CPU (microsecs)268 380 112 41.8%
Incl. CPU (microsecs) per call 268 380 112 41.8%
Excl. CPU (microsec)38 42 4 10.5%
Incl. MemUse (bytes)13,280 13,280 0 0.0%
Incl. MemUse (bytes) per call 13,280 13,280 0 0.0%
Excl. MemUse (bytes)3,136 3,136 0 0.0%
Incl. PeakMemUse (bytes)12,072 12,072 0 0.0%
Incl. PeakMemUse (bytes) per call 12,072 12,072 0 0.0%
Excl. PeakMemUse (bytes)1,944 1,944 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% 161 1.6% 112 1.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 3.1% 4 3.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 161 100.0% 112 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 106 65.8% 67 59.8% 0 N/A% 0 N/A%
PDO::exec0 N/A% 43 26.7% 33 29.5% 0 N/A% 0 N/A%
implode0 N/A% 7 4.3% 8 7.1% 0 N/A% 0 N/A%