Diff Report
Run #51afe875368e3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51afe7feeb64d: 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 #51afe875368e3Run #51afe7feeb64dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)863 940 77 8.9%
Incl. Wall Time (microsec) per call 863 940 77 8.9%
Excl. Wall Time (microsec)38 40 2 5.3%
Incl. CPU (microsecs)287 300 13 4.5%
Incl. CPU (microsecs) per call 287 300 13 4.5%
Excl. CPU (microsec)34 33 -1 -2.9%
Incl. MemUse (bytes)12,800 12,800 0 0.0%
Incl. MemUse (bytes) per call 12,800 12,800 0 0.0%
Excl. MemUse (bytes)3,184 3,184 0 0.0%
Incl. PeakMemUse (bytes)11,848 11,848 0 0.0%
Incl. PeakMemUse (bytes) per call 11,848 11,848 0 0.0%
Excl. PeakMemUse (bytes)1,384 1,384 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% 77 49.4% 13 21.7% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 2.6% -1 -7.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 77 100.0% 13 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 75 97.4% 14 107.7% 0 N/A% 0 N/A%
implode0 N/A% 1 1.3% 1 7.7% 0 N/A% 0 N/A%
PDO::exec0 N/A% -1 -1.3% -1 -7.7% 0 N/A% 0 N/A%