Diff Report
Run #512a40915a5dd: XHProf Run (Namespace=drupal-perf)
vs.
Run #512a40ad78082: XHProf Run (Namespace=drupal-perf)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #512a40915a5ddRun #512a40ad78082DiffDiff%
Number of Function Calls88 107 19 21.6%
Incl. Wall Time (microsec)1,680 2,048 368 21.9%
Incl. Wall Time (microsec) per call 19 19 0 0.3%
Excl. Wall Time (microsec)448 547 99 22.1%
Incl. CPU (microsecs)0 8,001 8,001 N/A%
Incl. CPU (microsecs) per call 0 75 75 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)155,696 186,456 30,760 19.8%
Incl. MemUse (bytes) per call 1,769 1,743 -27 -1.5%
Excl. MemUse (bytes)-17,656 -21,416 -3,760 -21.3%
Incl. PeakMemUse (bytes)61,648 72,856 11,208 18.2%
Incl. PeakMemUse (bytes) per call 701 681 -20 -2.8%
Excl. PeakMemUse (bytes)3,544 5,000 1,456 41.1%

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::prepareQuery19 33.3% 368 1.3% 8,001 28.6% 30,760 0.9% 11,208 0.3%
Exclusive Metrics Diff for Current Function99 26.9% 0 0.0% -3,760 -12.2% 1,456 13.0%
Parent function
Drupal\Core\Database\Connection::query19 100.0% 368 100.0% 8,001 100.0% 30,760 100.0% 11,208 100.0%
Child functions
PDO::prepare19 50.0% 161 43.8% 8,001 100.0% 29,240 95.1% 2,368 21.1%
Drupal\Core\Database\Connection::prefixTables19 50.0% 108 29.3% 0 0.0% 5,280 17.2% 7,384 65.9%