Diff Report
Run #519fbf2154a5e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc26fe04d9: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519fbf2154a5eRun #519fc26fe04d9DiffDiff%
Number of Function Calls23 23 0 0.0%
Incl. Wall Time (microsec)425 413 -12 -2.8%
Incl. Wall Time (microsec) per call 18 18 -1 -2.8%
Excl. Wall Time (microsec)112 107 -5 -4.5%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 174 174 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)18,300 18,300 0 0.0%
Incl. MemUse (bytes) per call 796 796 0 0.0%
Excl. MemUse (bytes)-2,472 -2,472 0 0.0%
Incl. PeakMemUse (bytes)9,212 9,212 0 0.0%
Incl. PeakMemUse (bytes) per call 401 401 0 0.0%
Excl. PeakMemUse (bytes)616 616 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% -12 -7.8% 4,000 400000.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -41.7% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -12 -100.0% 4,000 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -8 -66.7% 4,000 100.0% 0 N/A% 0 N/A%
PDO::prepare0 N/A% 1 8.3% 0 0.0% 0 N/A% 0 N/A%