Diff Report
Run #519ec8682c2dc: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ec94fa4daa: 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 #519ec8682c2dcRun #519ec94fa4daaDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)927 983 56 6.0%
Incl. Wall Time (microsec) per call 927 983 56 6.0%
Excl. Wall Time (microsec)39 38 -1 -2.6%
Incl. CPU (microsecs)311 296 -15 -4.8%
Incl. CPU (microsecs) per call 311 296 -15 -4.8%
Excl. CPU (microsec)32 33 1 3.1%
Incl. MemUse (bytes)12,816 12,776 -40 -0.3%
Incl. MemUse (bytes) per call 12,816 12,776 -40 -0.3%
Excl. MemUse (bytes)3,160 3,160 0 0.0%
Incl. PeakMemUse (bytes)12,024 12,056 32 0.3%
Incl. PeakMemUse (bytes) per call 12,024 12,056 32 0.3%
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% 56 0.2% -15 -0.0% -40 -0.0% 32 0.0%
Exclusive Metrics Diff for Current Function-1 -1.8% 1 6.7% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 56 100.0% -15 -100.0% -40 -100.0% 32 100.0%
Child functions
PDO::__construct0 N/A% 52 92.9% -14 -93.3% -16 -40.0% 0 0.0%
PDO::exec0 N/A% 5 8.9% -1 -6.7% -24 -60.0% 0 0.0%
implode0 N/A% 0 0.0% -1 -6.7% 0 0.0% 32 100.0%