Diff Report
Run #523f26a22745b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f27f8820ba: 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 #523f26a22745bRun #523f27f8820baDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,000 843 -157 -15.7%
Incl. Wall Time (microsec) per call 1,000 843 -157 -15.7%
Excl. Wall Time (microsec)44 46 2 4.5%
Incl. CPU (microsecs)327 297 -30 -9.2%
Incl. CPU (microsecs) per call 327 297 -30 -9.2%
Excl. CPU (microsec)41 41 0 0.0%
Incl. MemUse (bytes)13,128 13,128 0 0.0%
Incl. MemUse (bytes) per call 13,128 13,128 0 0.0%
Excl. MemUse (bytes)3,512 3,512 0 0.0%
Incl. PeakMemUse (bytes)12,432 12,432 0 0.0%
Incl. PeakMemUse (bytes) per call 12,432 12,432 0 0.0%
Excl. PeakMemUse (bytes)2,000 2,000 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% -157 -0.6% -30 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 1.3% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -157 -100.0% -30 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -151 -96.2% -44 -146.7% 0 N/A% 0 N/A%
PDO::exec0 N/A% -9 -5.7% 12 40.0% 0 N/A% 0 N/A%
implode0 N/A% 1 0.6% 2 6.7% 0 N/A% 0 N/A%