Diff Report
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a4887d3a25: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519a4774889ddRun #519a4887d3a25DiffDiff%
Number of Function Calls164 164 0 0.0%
Incl. Wall Time (microsec)30,779 154,947 124,168 403.4%
Incl. Wall Time (microsec) per call 188 945 757 403.4%
Excl. Wall Time (microsec)7,016 34,454 27,438 391.1%
Incl. CPU (microsecs)8,000 20,002 12,002 150.0%
Incl. CPU (microsecs) per call 49 122 73 150.0%
Excl. CPU (microsec)4,000 8,001 4,001 100.0%
Incl. MemUse (bytes)274,048 274,048 0 0.0%
Incl. MemUse (bytes) per call 1,671 1,671 0 0.0%
Excl. MemUse (bytes)-29,088 -29,088 0 0.0%
Incl. PeakMemUse (bytes)72,632 72,528 -104 -0.1%
Incl. PeakMemUse (bytes) per call 443 442 -1 -0.1%
Excl. PeakMemUse (bytes)3,752 3,648 -104 -2.8%

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% 124,168 0.8% 12,002 300.0% 0 0.0% -104 -6.9%
Exclusive Metrics Diff for Current Function27,438 22.1% 4,001 33.3% 0 N/A% -104 -100.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 124,168 100.0% 12,002 100.0% 0 N/A% -104 -100.0%
Child functions
PDO::prepare0 N/A% 59,000 47.5% 8,001 66.7% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::prefixTables0 N/A% 37,730 30.4% 0 0.0% 0 N/A% 0 0.0%