Diff Report
Run #518fb7370421e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518fbd1297c93: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #518fb7370421eRun #518fbd1297c93DiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)2,841 2,887 46 1.6%
Incl. Wall Time (microsec) per call 19 20 0 1.6%
Excl. Wall Time (microsec)701 705 4 0.6%
Incl. CPU (microsecs)2,961 3,004 43 1.5%
Incl. CPU (microsecs) per call 20 21 0 1.5%
Excl. CPU (microsec)566 566 0 0.0%
Incl. MemUse (bytes)154,576 154,600 24 0.0%
Incl. MemUse (bytes) per call 1,059 1,059 0 0.0%
Excl. MemUse (bytes)-26,112 -26,104 8 0.0%
Incl. PeakMemUse (bytes)37,504 40,072 2,568 6.8%
Incl. PeakMemUse (bytes) per call 257 274 18 6.8%
Excl. PeakMemUse (bytes)1,992 1,992 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% 46 1.5% 43 1.0% 24 0.0% 2,568 0.6%
Exclusive Metrics Diff for Current Function4 8.7% 0 0.0% 8 33.3% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 46 100.0% 43 100.0% 24 100.0% 2,568 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 25 54.3% 24 55.8% -8 -33.3% 2,048 79.8%
PDO::prepare0 N/A% 17 37.0% 19 44.2% 24 100.0% 520 20.2%