Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62091f2c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52f2e60305388Run #52f2e62091f2cDiffDiff%
Number of Function Calls158 158 0 0.0%
Incl. Wall Time (microsec)2,967 2,990 23 0.8%
Incl. Wall Time (microsec) per call 19 19 0 0.8%
Excl. Wall Time (microsec)771 762 -9 -1.2%
Incl. CPU (microsecs)3,101 3,123 22 0.7%
Incl. CPU (microsecs) per call 20 20 0 0.7%
Excl. CPU (microsec)661 644 -17 -2.6%
Incl. MemUse (bytes)158,632 158,616 -16 -0.0%
Incl. MemUse (bytes) per call 1,004 1,004 -0 -0.0%
Excl. MemUse (bytes)-23,560 -23,560 0 0.0%
Incl. PeakMemUse (bytes)48,192 48,328 136 0.3%
Incl. PeakMemUse (bytes) per call 305 306 1 0.3%
Excl. PeakMemUse (bytes)2,936 2,936 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% 23 1.6% 22 0.8% -16 -7.7% 136 18.9%
Exclusive Metrics Diff for Current Function-9 -39.1% -17 -77.3% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 23 100.0% 22 100.0% -16 -100.0% 136 100.0%
Child functions
PDO::prepare0 N/A% 21 91.3% 21 95.5% -16 -100.0% 136 100.0%
Drupal\Core\Database\Connection::prefixTables0 N/A% 11 47.8% 18 81.8% 0 0.0% 0 0.0%