Diff Report
Run #53d4352fc0c61: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53d436500e2ac: 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 #53d4352fc0c61Run #53d436500e2acDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)547 608 61 11.2%
Incl. Wall Time (microsec) per call 547 608 61 11.2%
Excl. Wall Time (microsec)49 54 5 10.2%
Incl. CPU (microsecs)266 323 57 21.4%
Incl. CPU (microsecs) per call 266 323 57 21.4%
Excl. CPU (microsec)41 48 7 17.1%
Incl. MemUse (bytes)13,488 13,496 8 0.1%
Incl. MemUse (bytes) per call 13,488 13,496 8 0.1%
Excl. MemUse (bytes)3,320 3,336 16 0.5%
Incl. PeakMemUse (bytes)12,528 12,480 -48 -0.4%
Incl. PeakMemUse (bytes) per call 12,528 12,480 -48 -0.4%
Excl. PeakMemUse (bytes)1,920 1,920 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% 61 0.9% 57 0.8% 8 0.0% -48 -0.1%
Exclusive Metrics Diff for Current Function5 8.2% 7 12.3% 16 200.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 61 100.0% 57 100.0% 8 100.0% -48 -100.0%
Child functions
PDO::__construct0 N/A% 43 70.5% 42 73.7% 0 0.0% -56 -116.7%
PDO::exec0 N/A% 12 19.7% 7 12.3% -8 -100.0% 0 0.0%
implode0 N/A% 1 1.6% 1 1.8% 0 0.0% 8 16.7%