Diff Report
Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf1bb00d4b: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #53ccf06f3ae60Run #53ccf1bb00d4bDiffDiff%
Number of Function Calls102 102 0 0.0%
Incl. Wall Time (microsec)1,853 1,780 -73 -3.9%
Incl. Wall Time (microsec) per call 18 17 -1 -3.9%
Excl. Wall Time (microsec)463 463 0 0.0%
Incl. CPU (microsecs)1,948 1,861 -87 -4.5%
Incl. CPU (microsecs) per call 19 18 -1 -4.5%
Excl. CPU (microsec)404 380 -24 -5.9%
Incl. MemUse (bytes)104,192 104,168 -24 -0.0%
Incl. MemUse (bytes) per call 1,021 1,021 -0 -0.0%
Excl. MemUse (bytes)-14,368 -14,344 24 0.2%
Incl. PeakMemUse (bytes)38,896 38,000 -896 -2.3%
Incl. PeakMemUse (bytes) per call 381 373 -9 -2.3%
Excl. PeakMemUse (bytes)2,304 2,168 -136 -5.9%

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% -73 -4.8% -87 -5.3% -24 -0.4% -896 -8.3%
Exclusive Metrics Diff for Current Function0 0.0% -24 -27.6% 24 100.0% -136 -15.2%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -73 -100.0% -87 -100.0% -24 -100.0% -896 -100.0%
Child functions
PDO::prepare0 N/A% -41 -56.2% -28 -32.2% -24 -100.0% -304 -33.9%
Drupal\Core\Database\Connection::prefixTables0 N/A% -32 -43.8% -35 -40.2% -24 -100.0% -456 -50.9%