Diff Report
Run #51fdbdbb58abc: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbca2b5409: 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 #51fdbdbb58abcRun #51fdbca2b5409DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)939 655 -284 -30.2%
Incl. Wall Time (microsec) per call 939 655 -284 -30.2%
Excl. Wall Time (microsec)41 39 -2 -4.9%
Incl. CPU (microsecs)317 259 -58 -18.3%
Incl. CPU (microsecs) per call 317 259 -58 -18.3%
Excl. CPU (microsec)34 33 -1 -2.9%
Incl. MemUse (bytes)13,008 13,008 0 0.0%
Incl. MemUse (bytes) per call 13,008 13,008 0 0.0%
Excl. MemUse (bytes)3,320 3,320 0 0.0%
Incl. PeakMemUse (bytes)12,512 12,512 0 0.0%
Incl. PeakMemUse (bytes) per call 12,512 12,512 0 0.0%
Excl. PeakMemUse (bytes)1,944 1,944 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% -284 -30.0% -58 -80.6% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -0.7% -1 -1.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -284 -100.0% -58 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -269 -94.7% -42 -72.4% 0 N/A% 0 N/A%
PDO::exec0 N/A% -12 -4.2% -13 -22.4% 0 N/A% 0 N/A%
implode0 N/A% -1 -0.4% -2 -3.4% 0 N/A% 0 N/A%