Diff Report
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec243650361: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51ec227a9cea0Run #51ec243650361DiffDiff%
Number of Function Calls231 231 0 0.0%
Incl. Wall Time (microsec)4,802 4,953 151 3.1%
Incl. Wall Time (microsec) per call 21 21 1 3.1%
Excl. Wall Time (microsec)1,167 1,181 14 1.2%
Incl. CPU (microsecs)5,006 5,133 127 2.5%
Incl. CPU (microsecs) per call 22 22 1 2.5%
Excl. CPU (microsec)991 957 -34 -3.4%
Incl. MemUse (bytes)225,784 291,320 65,536 29.0%
Incl. MemUse (bytes) per call 977 1,261 284 29.0%
Excl. MemUse (bytes)-34,368 -34,368 0 0.0%
Incl. PeakMemUse (bytes)53,872 54,696 824 1.5%
Incl. PeakMemUse (bytes) per call 233 237 4 1.5%
Excl. PeakMemUse (bytes)2,704 2,776 72 2.7%

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% 151 1.8% 127 1.9% 65,536 218.6% 824 2.6%
Exclusive Metrics Diff for Current Function14 9.3% -34 -26.8% 0 0.0% 72 8.7%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 151 100.0% 127 100.0% 65,536 100.0% 824 100.0%
Child functions
PDO::prepare0 N/A% 90 59.6% 91 71.7% 65,536 100.0% 752 91.3%
Drupal\Core\Database\Connection::prefixTables0 N/A% 47 31.1% 70 55.1% 0 0.0% 0 0.0%