Diff Report
Run #5290760896b28: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52907577b0b08: 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 #5290760896b28Run #52907577b0b08DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)689 615 -74 -10.7%
Incl. Wall Time (microsec) per call 689 615 -74 -10.7%
Excl. Wall Time (microsec)56 39 -17 -30.4%
Incl. CPU (microsecs)340 280 -60 -17.6%
Incl. CPU (microsecs) per call 340 280 -60 -17.6%
Excl. CPU (microsec)44 33 -11 -25.0%
Incl. MemUse (bytes)13,000 13,000 0 0.0%
Incl. MemUse (bytes) per call 13,000 13,000 0 0.0%
Excl. MemUse (bytes)3,368 3,368 0 0.0%
Incl. PeakMemUse (bytes)12,560 12,560 0 0.0%
Incl. PeakMemUse (bytes) per call 12,560 12,560 0 0.0%
Excl. PeakMemUse (bytes)1,856 1,856 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% -74 -3.3% -60 -3.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-17 -23.0% -11 -18.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -74 -100.0% -60 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -47 -63.5% -23 -38.3% 0 N/A% 0 N/A%
PDO::exec0 N/A% -9 -12.2% -25 -41.7% 0 N/A% 0 N/A%
implode0 N/A% -1 -1.4% -1 -1.7% 0 N/A% 0 N/A%