Diff Report
Run #52e6fc5cc809e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e6fcee66138: 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 #52e6fc5cc809eRun #52e6fcee66138DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)544 540 -4 -0.7%
Incl. Wall Time (microsec) per call 544 540 -4 -0.7%
Excl. Wall Time (microsec)48 45 -3 -6.2%
Incl. CPU (microsecs)279 293 14 5.0%
Incl. CPU (microsecs) per call 279 293 14 5.0%
Excl. CPU (microsec)41 39 -2 -4.9%
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)12,032 11,808 -224 -1.9%
Incl. PeakMemUse (bytes) per call 12,032 11,808 -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 Function-3 -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%