Diff Report
Run #53d436500e2ac: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53d4352fc0c61: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #53d436500e2acRun #53d4352fc0c61DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)608 547 -61 -10.0%
Incl. Wall Time (microsec) per call 608 547 -61 -10.0%
Excl. Wall Time (microsec)54 49 -5 -9.3%
Incl. CPU (microsecs)323 266 -57 -17.6%
Incl. CPU (microsecs) per call 323 266 -57 -17.6%
Excl. CPU (microsec)48 41 -7 -14.6%
Incl. MemUse (bytes)13,496 13,488 -8 -0.1%
Incl. MemUse (bytes) per call 13,496 13,488 -8 -0.1%
Excl. MemUse (bytes)3,336 3,320 -16 -0.5%
Incl. PeakMemUse (bytes)12,480 12,528 48 0.4%
Incl. PeakMemUse (bytes) per call 12,480 12,528 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 Function-5 -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%