Diff Report
Run #517c7dc1dc4c3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c7d73caad2: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #517c7dc1dc4c3Run #517c7d73caad2DiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)2,001 1,994 -7 -0.3%
Incl. Wall Time (microsec) per call 20 20 -0 -0.3%
Excl. Wall Time (microsec)485 466 -19 -3.9%
Incl. CPU (microsecs)2,091 2,098 7 0.3%
Incl. CPU (microsecs) per call 21 21 0 0.3%
Excl. CPU (microsec)405 419 14 3.5%
Incl. MemUse (bytes)98,696 98,696 0 0.0%
Incl. MemUse (bytes) per call 1,007 1,007 0 0.0%
Excl. MemUse (bytes)-13,384 -13,384 0 0.0%
Incl. PeakMemUse (bytes)34,176 34,248 72 0.2%
Incl. PeakMemUse (bytes) per call 349 349 1 0.2%
Excl. PeakMemUse (bytes)2,304 2,376 72 3.1%

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::prepareQuery0 N/A% -7 -2.0% 7 0.7% 0 0.0% 72 2.9%
Exclusive Metrics Diff for Current Function-19 -271.4% 14 200.0% 0 N/A% 72 100.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -7 -100.0% 7 100.0% 0 N/A% 72 100.0%
Child functions
PDO::prepare0 N/A% 21 300.0% 13 185.7% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::prefixTables0 N/A% -9 -128.6% -20 -285.7% 0 N/A% 0 0.0%