Diff Report
Run #519d5c4cd1983: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519d5c92d66a0: XHProf Run (Namespace=drupal-perf-mrbaileys)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #519d5c4cd1983Run #519d5c92d66a0DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)446 829 383 85.9%
Incl. Wall Time (microsec) per call 446 829 383 85.9%
Excl. Wall Time (microsec)57 85 28 49.1%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 4,000 4,000 N/A%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)6,032 6,032 0 0.0%
Incl. MemUse (bytes) per call 6,032 6,032 0 0.0%
Excl. MemUse (bytes)3,160 3,160 0 0.0%
Incl. PeakMemUse (bytes)5,688 5,688 0 0.0%
Incl. PeakMemUse (bytes) per call 5,688 5,688 0 0.0%
Excl. PeakMemUse (bytes)3,488 3,488 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% 383 156.3% 4,000 100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function28 7.3% 4,000 100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 383 100.0% 4,000 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 268 70.0% 0 0.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% 82 21.4% 0 0.0% 0 N/A% 0 N/A%
implode0 N/A% 5 1.3% 0 0.0% 0 N/A% 0 N/A%