Diff Report
Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b1f732b14: 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 #52d4b18f32fb6Run #52d4b1f732b14DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)295 301 6 2.0%
Incl. Wall Time (microsec) per call 295 301 6 2.0%
Excl. Wall Time (microsec)25 25 0 0.0%
Incl. CPU (microsecs)130 133 3 2.3%
Incl. CPU (microsecs) per call 130 133 3 2.3%
Excl. CPU (microsec)21 23 2 9.5%
Incl. MemUse (bytes)12,984 13,000 16 0.1%
Incl. MemUse (bytes) per call 12,984 13,000 16 0.1%
Excl. MemUse (bytes)3,320 3,320 0 0.0%
Incl. PeakMemUse (bytes)12,600 12,616 16 0.1%
Incl. PeakMemUse (bytes) per call 12,600 12,616 16 0.1%
Excl. PeakMemUse (bytes)1,760 1,760 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% 6 0.3% 3 0.2% 16 0.0% 16 0.0%
Exclusive Metrics Diff for Current Function0 0.0% 2 66.7% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 6 100.0% 3 100.0% 16 100.0% 16 100.0%
Child functions
PDO::__construct0 N/A% 3 50.0% 1 33.3% 8 50.0% 0 0.0%
PDO::exec0 N/A% 3 50.0% 0 0.0% 8 50.0% 0 0.0%
implode0 N/A% 0 0.0% 0 0.0% 0 0.0% 16 100.0%