Diff Report
Run #52c2694eecde3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52c2677cc22b0: 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 #52c2694eecde3Run #52c2677cc22b0DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)709 549 -160 -22.6%
Incl. Wall Time (microsec) per call 709 549 -160 -22.6%
Excl. Wall Time (microsec)55 41 -14 -25.5%
Incl. CPU (microsecs)358 299 -59 -16.5%
Incl. CPU (microsecs) per call 358 299 -59 -16.5%
Excl. CPU (microsec)52 38 -14 -26.9%
Incl. MemUse (bytes)13,280 13,296 16 0.1%
Incl. MemUse (bytes) per call 13,280 13,296 16 0.1%
Excl. MemUse (bytes)3,136 3,136 0 0.0%
Incl. PeakMemUse (bytes)12,056 12,000 -56 -0.5%
Incl. PeakMemUse (bytes) per call 12,056 12,000 -56 -0.5%
Excl. PeakMemUse (bytes)1,904 1,856 -48 -2.5%

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% -160 -0.4% -59 -0.1% 16 0.0% -56 -0.0%
Exclusive Metrics Diff for Current Function-14 -8.8% -14 -23.7% 0 0.0% -48 -85.7%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -160 -100.0% -59 -100.0% 16 100.0% -56 -100.0%
Child functions
PDO::exec0 N/A% -122 -76.2% -44 -74.6% 0 0.0% 0 0.0%
PDO::__construct0 N/A% -23 -14.4% 2 3.4% 0 0.0% 0 0.0%
implode0 N/A% -1 -0.6% -3 -5.1% 16 100.0% -8 -14.3%