Diff Report
Run #52c862ea26981: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c8629919553: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52c862ea26981Run #52c8629919553DiffDiff%
Number of Function Calls135 135 0 0.0%
Incl. Wall Time (microsec)2,191 2,239 48 2.2%
Incl. Wall Time (microsec) per call 16 17 0 2.2%
Excl. Wall Time (microsec)569 581 12 2.1%
Incl. CPU (microsecs)2,298 2,348 50 2.2%
Incl. CPU (microsecs) per call 17 17 0 2.2%
Excl. CPU (microsec)468 481 13 2.8%
Incl. MemUse (bytes)138,408 138,408 0 0.0%
Incl. MemUse (bytes) per call 1,025 1,025 0 0.0%
Excl. MemUse (bytes)-20,808 -20,808 0 0.0%
Incl. PeakMemUse (bytes)49,040 49,248 208 0.4%
Incl. PeakMemUse (bytes) per call 363 365 2 0.4%
Excl. PeakMemUse (bytes)2,208 2,208 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% 48 75.0% 50 28.1% 0 0.0% 208 0.8%
Exclusive Metrics Diff for Current Function12 25.0% 13 26.0% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 48 100.0% 50 100.0% 0 N/A% 208 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 19 39.6% 23 46.0% 0 N/A% 304 146.2%
PDO::prepare0 N/A% 17 35.4% 14 28.0% 0 N/A% -96 -46.2%