Diff Report
Run #523f527beec76: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f52fbabfcb: 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 #523f527beec76Run #523f52fbabfcbDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)869 1,328 459 52.8%
Incl. Wall Time (microsec) per call 869 1,328 459 52.8%
Excl. Wall Time (microsec)40 59 19 47.5%
Incl. CPU (microsecs)299 410 111 37.1%
Incl. CPU (microsecs) per call 299 410 111 37.1%
Excl. CPU (microsec)35 53 18 51.4%
Incl. MemUse (bytes)13,128 13,128 0 0.0%
Incl. MemUse (bytes) per call 13,128 13,128 0 0.0%
Excl. MemUse (bytes)3,512 3,512 0 0.0%
Incl. PeakMemUse (bytes)12,432 12,432 0 0.0%
Incl. PeakMemUse (bytes) per call 12,432 12,432 0 0.0%
Excl. PeakMemUse (bytes)2,000 2,000 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% 459 11.7% 111 1.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function19 4.1% 18 16.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 459 100.0% 111 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 242 52.7% 31 27.9% 0 N/A% 0 N/A%
PDO::exec0 N/A% 197 42.9% 62 55.9% 0 N/A% 0 N/A%
implode0 N/A% 1 0.2% 0 0.0% 0 N/A% 0 N/A%