Diff Report
Run #517d7587ada9c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d750163e11: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #517d7587ada9cRun #517d750163e11DiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)1,958 1,968 10 0.5%
Incl. Wall Time (microsec) per call 20 20 0 0.5%
Excl. Wall Time (microsec)478 480 2 0.4%
Incl. CPU (microsecs)2,030 2,054 24 1.2%
Incl. CPU (microsecs) per call 21 21 0 1.2%
Excl. CPU (microsec)389 398 9 2.3%
Incl. MemUse (bytes)98,696 98,696 0 0.0%
Incl. MemUse (bytes) per call 1,007 1,007 0 0.0%
Excl. MemUse (bytes)-13,384 -13,384 0 0.0%
Incl. PeakMemUse (bytes)34,248 33,984 -264 -0.8%
Incl. PeakMemUse (bytes) per call 349 347 -3 -0.8%
Excl. PeakMemUse (bytes)2,376 2,304 -72 -3.0%

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% 10 0.1% 24 0.2% 0 0.0% -264 -2.4%
Exclusive Metrics Diff for Current Function2 20.0% 9 37.5% 0 N/A% -72 -27.3%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 10 100.0% 24 100.0% 0 N/A% -264 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 6 60.0% 1 4.2% 0 N/A% 0 0.0%
PDO::prepare0 N/A% 2 20.0% 14 58.3% 0 N/A% -192 -72.7%