Diff Report
Run #52907577b0b08: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5290760896b28: 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 #52907577b0b08Run #5290760896b28DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)615 689 74 12.0%
Incl. Wall Time (microsec) per call 615 689 74 12.0%
Excl. Wall Time (microsec)39 56 17 43.6%
Incl. CPU (microsecs)280 340 60 21.4%
Incl. CPU (microsecs) per call 280 340 60 21.4%
Excl. CPU (microsec)33 44 11 33.3%
Incl. MemUse (bytes)13,000 13,000 0 0.0%
Incl. MemUse (bytes) per call 13,000 13,000 0 0.0%
Excl. MemUse (bytes)3,368 3,368 0 0.0%
Incl. PeakMemUse (bytes)12,560 12,560 0 0.0%
Incl. PeakMemUse (bytes) per call 12,560 12,560 0 0.0%
Excl. PeakMemUse (bytes)1,856 1,856 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% 74 3.3% 60 3.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function17 23.0% 11 18.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 74 100.0% 60 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 47 63.5% 23 38.3% 0 N/A% 0 N/A%
PDO::exec0 N/A% 9 12.2% 25 41.7% 0 N/A% 0 N/A%
implode0 N/A% 1 1.4% 1 1.7% 0 N/A% 0 N/A%