Diff Report
Run #52e4189e0e4fe: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52e417f8e04a5: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52e4189e0e4feRun #52e417f8e04a5DiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)1,296 1,267 -29 -2.2%
Incl. Wall Time (microsec) per call 8 7 -0 -2.2%
Excl. Wall Time (microsec)598 588 -10 -1.7%
Incl. CPU (microsecs)1,416 1,388 -28 -2.0%
Incl. CPU (microsecs) per call 8 8 -0 -2.0%
Excl. CPU (microsec)605 612 7 1.2%
Incl. MemUse (bytes)165,208 165,208 0 0.0%
Incl. MemUse (bytes) per call 972 972 0 0.0%
Excl. MemUse (bytes)155,080 155,080 0 0.0%
Incl. PeakMemUse (bytes)15,984 15,984 0 0.0%
Incl. PeakMemUse (bytes) per call 94 94 0 0.0%
Excl. PeakMemUse (bytes)13,656 13,656 0 0.0%

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% -29 -7.8% -28 -8.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-10 -34.5% 7 25.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -29 -100.0% -28 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -19 -65.5% -35 -125.0% 0 N/A% 0 N/A%