Diff Report
Run #519edf3566aae: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ede3a9dd65: 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 #519edf3566aaeRun #519ede3a9dd65DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)842 1,000 158 18.8%
Incl. Wall Time (microsec) per call 842 1,000 158 18.8%
Excl. Wall Time (microsec)37 37 0 0.0%
Incl. CPU (microsecs)290 311 21 7.2%
Incl. CPU (microsecs) per call 290 311 21 7.2%
Excl. CPU (microsec)30 32 2 6.7%
Incl. MemUse (bytes)12,800 12,800 0 0.0%
Incl. MemUse (bytes) per call 12,800 12,800 0 0.0%
Excl. MemUse (bytes)3,160 3,184 24 0.8%
Incl. PeakMemUse (bytes)11,952 11,952 0 0.0%
Incl. PeakMemUse (bytes) per call 11,952 11,952 0 0.0%
Excl. PeakMemUse (bytes)1,608 1,608 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% 158 0.6% 21 0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function0 0.0% 2 9.5% 24 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 158 100.0% 21 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 156 98.7% 23 109.5% 0 N/A% 0 N/A%
PDO::exec0 N/A% 2 1.3% -3 -14.3% -24 N/A% 0 N/A%
implode0 N/A% 0 0.0% -1 -4.8% 0 N/A% 0 N/A%