Diff Report
Run #5197310fa6a63: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #51972fb0786ef: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #5197310fa6a63Run #51972fb0786efDiffDiff%
Number of Function Calls112 112 0 0.0%
Incl. Wall Time (microsec)69,473 68,637 -836 -1.2%
Incl. Wall Time (microsec) per call 620 613 -7 -1.2%
Excl. Wall Time (microsec)15,492 15,214 -278 -1.8%
Incl. CPU (microsecs)0 8,000 8,000 N/A%
Incl. CPU (microsecs) per call 0 71 71 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)193,768 193,768 0 0.0%
Incl. MemUse (bytes) per call 1,730 1,730 0 0.0%
Excl. MemUse (bytes)-21,136 -21,136 0 0.0%
Incl. PeakMemUse (bytes)63,200 63,200 0 0.0%
Incl. PeakMemUse (bytes) per call 564 564 0 0.0%
Excl. PeakMemUse (bytes)3,856 3,856 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::prepareQuery [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\Connection::prepareQuery0 N/A% -836 -0.3% 8,000 33.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-278 -33.3% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -836 -100.0% 8,000 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -456 -54.5% 4,000 50.0% 0 N/A% 0 N/A%
PDO::prepare0 N/A% -102 -12.2% 4,000 50.0% 0 N/A% 0 N/A%