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

Drupal\Core\Database\Connection::prepareQueryRun #51972fb0786efRun #5197310fa6a63DiffDiff%
Number of Function Calls112 112 0 0.0%
Incl. Wall Time (microsec)68,637 69,473 836 1.2%
Incl. Wall Time (microsec) per call 613 620 7 1.2%
Excl. Wall Time (microsec)15,214 15,492 278 1.8%
Incl. CPU (microsecs)8,000 0 -8,000 -100.0%
Incl. CPU (microsecs) per call 71 0 -71 -100.0%
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 Function278 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%