Diff Report
Run #51f62b0e7bc11: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #51f628573214c: XHProf Run (Namespace=drupal-perf-fabianx)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51f62b0e7bc11Run #51f628573214cDiffDiff%
Number of Function Calls276 276 0 0.0%
Incl. Wall Time (microsec)2,448 2,410 -38 -1.6%
Incl. Wall Time (microsec) per call 9 9 -0 -1.6%
Excl. Wall Time (microsec)1,241 1,220 -21 -1.7%
Incl. CPU (microsecs)8,001 0 -8,001 -100.0%
Incl. CPU (microsecs) per call 29 0 -29 -100.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)433,776 433,776 0 0.0%
Incl. MemUse (bytes) per call 1,572 1,572 0 0.0%
Excl. MemUse (bytes)431,112 431,112 0 0.0%
Incl. PeakMemUse (bytes)19,232 19,256 24 0.1%
Incl. PeakMemUse (bytes) per call 70 70 0 0.1%
Excl. PeakMemUse (bytes)16,320 16,256 -64 -0.4%

Parent/Child Regression/Improvement report for PDO::prepare [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
PDO::prepare0 N/A% -38 -0.2% -8,001 -40.0% 0 0.0% 24 0.0%
Exclusive Metrics Diff for Current Function-21 -55.3% 0 0.0% 0 N/A% -64 -266.7%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -38 -100.0% -8,001 -100.0% 0 N/A% 24 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -17 -44.7% -8,001 -100.0% 0 N/A% 88 366.7%