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

Drupal\Core\Database\Connection::prepareQueryRun #52c8629919553Run #52c862ea26981DiffDiff%
Number of Function Calls135 135 0 0.0%
Incl. Wall Time (microsec)2,239 2,191 -48 -2.1%
Incl. Wall Time (microsec) per call 17 16 -0 -2.1%
Excl. Wall Time (microsec)581 569 -12 -2.1%
Incl. CPU (microsecs)2,348 2,298 -50 -2.1%
Incl. CPU (microsecs) per call 17 17 -0 -2.1%
Excl. CPU (microsec)481 468 -13 -2.7%
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)49,248 49,040 -208 -0.4%
Incl. PeakMemUse (bytes) per call 365 363 -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 Function-12 -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%