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

Drupal\Core\Database\Connection::prepareQueryRun #53513afe3c568Run #535139ab6e707DiffDiff%
Number of Function Calls280 280 0 0.0%
Incl. Wall Time (microsec)5,094 5,075 -19 -0.4%
Incl. Wall Time (microsec) per call 18 18 -0 -0.4%
Excl. Wall Time (microsec)1,298 1,323 25 1.9%
Incl. CPU (microsecs)5,345 5,305 -40 -0.7%
Incl. CPU (microsecs) per call 19 19 -0 -0.7%
Excl. CPU (microsec)1,064 1,044 -20 -1.9%
Incl. MemUse (bytes)396,352 396,336 -16 -0.0%
Incl. MemUse (bytes) per call 1,416 1,415 -0 -0.0%
Excl. MemUse (bytes)-103,360 -103,360 0 0.0%
Incl. PeakMemUse (bytes)50,280 50,312 32 0.1%
Incl. PeakMemUse (bytes) per call 180 180 0 0.1%
Excl. PeakMemUse (bytes)1,688 1,832 144 8.5%

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 Function25 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%