Diff Report
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5b0eb2b08: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51ca5a4995c23Run #51ca5b0eb2b08DiffDiff%
Number of Function Calls157 157 0 0.0%
Incl. Wall Time (microsec)4,579 4,541 -38 -0.8%
Incl. Wall Time (microsec) per call 29 29 -0 -0.8%
Excl. Wall Time (microsec)1,075 1,093 18 1.7%
Incl. CPU (microsecs)4,733 4,690 -43 -0.9%
Incl. CPU (microsecs) per call 30 30 -0 -0.9%
Excl. CPU (microsec)966 943 -23 -2.4%
Incl. MemUse (bytes)153,344 153,328 -16 -0.0%
Incl. MemUse (bytes) per call 977 977 -0 -0.0%
Excl. MemUse (bytes)-21,800 -21,800 0 0.0%
Incl. PeakMemUse (bytes)41,128 41,992 864 2.1%
Incl. PeakMemUse (bytes) per call 262 267 6 2.1%
Excl. PeakMemUse (bytes)2,240 2,312 72 3.2%

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% -38 -1.0% -43 -1.7% -16 -0.0% 864 0.4%
Exclusive Metrics Diff for Current Function18 47.4% -23 -53.5% 0 0.0% 72 8.3%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -38 -100.0% -43 -100.0% -16 -100.0% 864 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -50 -131.6% -23 -53.5% 0 0.0% 656 75.9%
PDO::prepare0 N/A% -6 -15.8% 3 7.0% -16 -100.0% 136 15.7%