Diff Report
Run #52e6fcee66138: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e6fc5cc809e: 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 #52e6fcee66138Run #52e6fc5cc809eDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)540 544 4 0.7%
Incl. Wall Time (microsec) per call 540 544 4 0.7%
Excl. Wall Time (microsec)45 48 3 6.7%
Incl. CPU (microsecs)293 279 -14 -4.8%
Incl. CPU (microsecs) per call 293 279 -14 -4.8%
Excl. CPU (microsec)39 41 2 5.1%
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)11,808 12,032 224 1.9%
Incl. PeakMemUse (bytes) per call 11,808 12,032 224 1.9%
Excl. PeakMemUse (bytes)1,904 1,904 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% 4 0.2% -14 -0.5% 0 0.0% 224 0.3%
Exclusive Metrics Diff for Current Function3 75.0% 2 14.3% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 4 100.0% -14 -100.0% 0 N/A% 224 100.0%
Child functions
PDO::__construct0 N/A% 9 225.0% 18 128.6% 0 N/A% 224 100.0%
PDO::exec0 N/A% -7 -175.0% -32 -228.6% 0 N/A% 0 0.0%
implode0 N/A% -1 -25.0% -2 -14.3% 0 N/A% 0 0.0%