Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls251 98 -153 -61.0%
Incl. Wall Time (microsec)4,994 1,988 -3,006 -60.2%
Incl. Wall Time (microsec) per call 20 20 0 2.0%
Excl. Wall Time (microsec)1,201 499 -702 -58.5%
Incl. CPU (microsecs)5,222 2,072 -3,150 -60.3%
Incl. CPU (microsecs) per call 21 21 0 1.6%
Excl. CPU (microsec)1,028 427 -601 -58.5%
Incl. MemUse (bytes)317,736 98,696 -219,040 -68.9%
Incl. MemUse (bytes) per call 1,266 1,007 -259 -20.4%
Excl. MemUse (bytes)-73,952 -13,384 60,568 81.9%
Incl. PeakMemUse (bytes)36,664 34,088 -2,576 -7.0%
Incl. PeakMemUse (bytes) per call 146 348 202 138.1%
Excl. PeakMemUse (bytes)2,344 2,336 -8 -0.3%

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::prepareQuery-153 -33.3% -3,006 -1.1% -3,150 -2.7% -219,040 -49.2% -2,576 -0.5%
Exclusive Metrics Diff for Current Function-702 -23.4% -601 -19.1% 60,568 27.7% -8 -0.3%
Parent function
Drupal\Core\Database\Connection::query-153 -100.0% -3,006 -100.0% -3,150 -100.0% -219,040 -100.0% -2,576 -100.0%
Child functions
PDO::prepare-153 -50.0% -1,318 -43.8% -1,419 -45.0% -211,696 -96.6% -376 -14.6%
Drupal\Core\Database\Connection::prefixTables-153 -50.0% -986 -32.8% -1,130 -35.9% -67,912 -31.0% -2,192 -85.1%