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

Drupal\Core\Database\Connection::prepareQueryRun #517c7d73caad2Run #517c7dc1dc4c3DiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)1,994 2,001 7 0.4%
Incl. Wall Time (microsec) per call 20 20 0 0.4%
Excl. Wall Time (microsec)466 485 19 4.1%
Incl. CPU (microsecs)2,098 2,091 -7 -0.3%
Incl. CPU (microsecs) per call 21 21 -0 -0.3%
Excl. CPU (microsec)419 405 -14 -3.3%
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)34,248 34,176 -72 -0.2%
Incl. PeakMemUse (bytes) per call 349 349 -1 -0.2%
Excl. PeakMemUse (bytes)2,376 2,304 -72 -3.0%

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% 7 2.0% -7 -0.7% 0 0.0% -72 -2.9%
Exclusive Metrics Diff for Current Function19 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%