Diff Report
Run #52e97c22a1cdf: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e97b490de91: 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 #52e97c22a1cdfRun #52e97b490de91DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)537 547 10 1.9%
Incl. Wall Time (microsec) per call 537 547 10 1.9%
Excl. Wall Time (microsec)45 50 5 11.1%
Incl. CPU (microsecs)259 300 41 15.8%
Incl. CPU (microsecs) per call 259 300 41 15.8%
Excl. CPU (microsec)41 44 3 7.3%
Incl. MemUse (bytes)13,320 13,320 0 0.0%
Incl. MemUse (bytes) per call 13,320 13,320 0 0.0%
Excl. MemUse (bytes)3,176 3,176 0 0.0%
Incl. PeakMemUse (bytes)11,976 11,976 0 0.0%
Incl. PeakMemUse (bytes) per call 11,976 11,976 0 0.0%
Excl. PeakMemUse (bytes)1,848 1,848 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% 10 1.5% 41 3.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function5 50.0% 3 7.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 10 100.0% 41 100.0% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% 21 210.0% 30 73.2% 0 N/A% 0 N/A%
PDO::__construct0 N/A% -19 -190.0% 5 12.2% 0 N/A% 0 N/A%
implode0 N/A% 3 30.0% 3 7.3% 0 N/A% 0 N/A%