Diff Report
Run #523f01900df5c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f024cca254: 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 #523f01900df5cRun #523f024cca254DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)898 1,021 123 13.7%
Incl. Wall Time (microsec) per call 898 1,021 123 13.7%
Excl. Wall Time (microsec)42 46 4 9.5%
Incl. CPU (microsecs)297 325 28 9.4%
Incl. CPU (microsecs) per call 297 325 28 9.4%
Excl. CPU (microsec)39 40 1 2.6%
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% 123 20.6% 28 6.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function4 3.3% 1 3.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 123 100.0% 28 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 68 55.3% 17 60.7% 0 N/A% 0 N/A%
PDO::exec0 N/A% 51 41.5% 8 28.6% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 2 7.1% 0 N/A% 0 N/A%