Diff Report
Run #519ffb7471c72: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #519ffc4c0008b: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519ffb7471c72Run #519ffc4c0008bDiffDiff%
Number of Function Calls118 119 1 0.8%
Incl. Wall Time (microsec)4,269 4,408 139 3.3%
Incl. Wall Time (microsec) per call 36 37 1 2.4%
Excl. Wall Time (microsec)964 995 31 3.2%
Incl. CPU (microsecs)8,001 4,001 -4,000 -50.0%
Incl. CPU (microsecs) per call 68 34 -34 -50.4%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)82,128 82,760 632 0.8%
Incl. MemUse (bytes) per call 696 695 -1 -0.1%
Excl. MemUse (bytes)-17,288 -17,428 -140 -0.8%
Incl. PeakMemUse (bytes)40,496 40,244 -252 -0.6%
Incl. PeakMemUse (bytes) per call 343 338 -5 -1.5%
Excl. PeakMemUse (bytes)616 616 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::prepareQuery1 33.3% 139 4.5% -4,000 -100.0% 632 3.8% -252 -1.3%
Exclusive Metrics Diff for Current Function31 22.3% 0 0.0% -140 -22.2% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query1 100.0% 139 100.0% -4,000 -100.0% 632 100.0% -252 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables1 50.0% 63 45.3% 1 0.0% 168 26.6% -12 -4.8%
PDO::prepare1 50.0% 45 32.4% -4,001 -100.0% 604 95.6% -240 -95.2%