Diff Report
Run #543bf339ee873: XHProf Run (Namespace=drupal-perf-dawehner)
vs.
Run #543bf51d41339: XHProf Run (Namespace=drupal-perf-dawehner)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #543bf339ee873Run #543bf51d41339DiffDiff%
Number of Function Calls129 129 0 0.0%
Incl. Wall Time (microsec)3,710 3,838 128 3.5%
Incl. Wall Time (microsec) per call 29 30 1 3.5%
Excl. Wall Time (microsec)880 930 50 5.7%
Incl. CPU (microsecs)3,801 3,927 126 3.3%
Incl. CPU (microsecs) per call 29 30 1 3.3%
Excl. CPU (microsec)742 823 81 10.9%
Incl. MemUse (bytes)138,352 138,352 0 0.0%
Incl. MemUse (bytes) per call 1,072 1,072 0 0.0%
Excl. MemUse (bytes)-21,672 -21,672 0 0.0%
Incl. PeakMemUse (bytes)56,824 57,856 1,032 1.8%
Incl. PeakMemUse (bytes) per call 440 448 8 1.8%
Excl. PeakMemUse (bytes)1,264 1,320 56 4.4%

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% 128 1.7% 126 1.2% 0 0.0% 1,032 0.1%
Exclusive Metrics Diff for Current Function50 39.1% 81 64.3% 0 N/A% 56 5.4%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 128 100.0% 126 100.0% 0 N/A% 1,032 100.0%
Child functions
PDO::prepare0 N/A% 92 71.9% 48 38.1% 0 N/A% 472 45.7%
Drupal\Core\Database\Connection::prefixTables0 N/A% -14 -10.9% -3 -2.4% 0 N/A% 504 48.8%