Diff Report
Run #51ad01387670b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad01d342500: 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 #51ad01387670bRun #51ad01d342500DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)912 981 69 7.6%
Incl. Wall Time (microsec) per call 912 981 69 7.6%
Excl. Wall Time (microsec)42 41 -1 -2.4%
Incl. CPU (microsecs)300 314 14 4.7%
Incl. CPU (microsecs) per call 300 314 14 4.7%
Excl. CPU (microsec)38 38 0 0.0%
Incl. MemUse (bytes)12,984 12,984 0 0.0%
Incl. MemUse (bytes) per call 12,984 12,984 0 0.0%
Excl. MemUse (bytes)3,368 3,368 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% 69 1.7% 14 0.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -1.4% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 69 100.0% 14 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 71 102.9% 9 64.3% 0 N/A% 0 N/A%
PDO::exec0 N/A% -1 -1.4% 6 42.9% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -1 -7.1% 0 N/A% 0 N/A%