Diff Report
Run #5192e6f7bc551: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5192e84845baf: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #5192e6f7bc551Run #5192e84845bafDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)842 905 63 7.5%
Incl. Wall Time (microsec) per call 842 905 63 7.5%
Excl. Wall Time (microsec)40 41 1 2.5%
Incl. CPU (microsecs)296 329 33 11.1%
Incl. CPU (microsecs) per call 296 329 33 11.1%
Excl. CPU (microsec)35 38 3 8.6%
Incl. MemUse (bytes)13,016 13,016 0 0.0%
Incl. MemUse (bytes) per call 13,016 13,016 0 0.0%
Excl. MemUse (bytes)3,352 3,352 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% 63 12.4% 33 3.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 1.6% 3 9.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 63 100.0% 33 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 58 92.1% 28 84.8% 0 N/A% 0 N/A%
PDO::exec0 N/A% 4 6.3% 2 6.1% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%