Diff Report
Run #5198f0bb880ef: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f1db1bc51: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #5198f0bb880efRun #5198f1db1bc51DiffDiff%
Number of Function Calls159 160 1 0.6%
Incl. Wall Time (microsec)3,108 3,165 57 1.8%
Incl. Wall Time (microsec) per call 20 20 0 1.2%
Excl. Wall Time (microsec)775 793 18 2.3%
Incl. CPU (microsecs)3,251 3,295 44 1.4%
Incl. CPU (microsecs) per call 20 21 0 0.7%
Excl. CPU (microsec)637 653 16 2.5%
Incl. MemUse (bytes)165,216 166,160 944 0.6%
Incl. MemUse (bytes) per call 1,039 1,039 -1 -0.1%
Excl. MemUse (bytes)-27,200 -27,352 -152 -0.6%
Incl. PeakMemUse (bytes)41,360 41,040 -320 -0.8%
Incl. PeakMemUse (bytes) per call 260 257 -4 -1.4%
Excl. PeakMemUse (bytes)1,072 1,112 40 3.7%

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::prepareQuery1 33.3% 57 3.6% 44 2.0% 944 3.3% -320 -0.8%
Exclusive Metrics Diff for Current Function18 31.6% 16 36.4% -152 -16.1% 40 12.5%
Parent function
Drupal\Core\Database\Connection::query1 100.0% 57 100.0% 44 100.0% 944 100.0% -320 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables1 50.0% 24 42.1% 4 9.1% 200 21.2% -224 -70.0%
PDO::prepare1 50.0% 15 26.3% 24 54.5% 896 94.9% -136 -42.5%