Diff Report
Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53513afe3c568: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #535139ab6e707Run #53513afe3c568DiffDiff%
Number of Function Calls280 280 0 0.0%
Incl. Wall Time (microsec)5,075 5,094 19 0.4%
Incl. Wall Time (microsec) per call 18 18 0 0.4%
Excl. Wall Time (microsec)1,323 1,298 -25 -1.9%
Incl. CPU (microsecs)5,305 5,345 40 0.8%
Incl. CPU (microsecs) per call 19 19 0 0.8%
Excl. CPU (microsec)1,044 1,064 20 1.9%
Incl. MemUse (bytes)396,336 396,352 16 0.0%
Incl. MemUse (bytes) per call 1,415 1,416 0 0.0%
Excl. MemUse (bytes)-103,360 -103,360 0 0.0%
Incl. PeakMemUse (bytes)50,312 50,280 -32 -0.1%
Incl. PeakMemUse (bytes) per call 180 180 -0 -0.1%
Excl. PeakMemUse (bytes)1,832 1,688 -144 -7.9%

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% 19 0.3% 40 0.6% 16 0.1% -32 -0.1%
Exclusive Metrics Diff for Current Function-25 -131.6% 20 50.0% 0 0.0% -144 -450.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 19 100.0% 40 100.0% 16 100.0% -32 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 28 147.4% 8 20.0% 0 0.0% 0 0.0%
PDO::prepare0 N/A% 16 84.2% 12 30.0% 16 100.0% 112 350.0%