Diff Report
Run #52c96dcbc5e6a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96d7c36f9e: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #52c96dcbc5e6aRun #52c96d7c36f9eDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)361 309 -52 -14.4%
Incl. Wall Time (microsec) per call 361 309 -52 -14.4%
Excl. Wall Time (microsec)28 25 -3 -10.7%
Incl. CPU (microsecs)147 136 -11 -7.5%
Incl. CPU (microsecs) per call 147 136 -11 -7.5%
Excl. CPU (microsec)24 21 -3 -12.5%
Incl. MemUse (bytes)12,992 12,968 -24 -0.2%
Incl. MemUse (bytes) per call 12,992 12,968 -24 -0.2%
Excl. MemUse (bytes)3,320 3,320 0 0.0%
Incl. PeakMemUse (bytes)12,392 12,368 -24 -0.2%
Incl. PeakMemUse (bytes) per call 12,392 12,368 -24 -0.2%
Excl. PeakMemUse (bytes)1,800 1,800 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% -52 -6.9% -11 -0.7% -24 -0.0% -24 -0.0%
Exclusive Metrics Diff for Current Function-3 -5.8% -3 -27.3% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -52 -100.0% -11 -100.0% -24 -100.0% -24 -100.0%
Child functions
PDO::__construct0 N/A% -48 -92.3% -7 -63.6% -24 -100.0% 0 0.0%
PDO::exec0 N/A% -1 -1.9% 0 0.0% 0 0.0% 0 0.0%
implode0 N/A% 0 0.0% -1 -9.1% 0 0.0% -24 -100.0%