Diff Report
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51978d4d92dd9Run #51978cc86c728DiffDiff%
Number of Function Calls10 10 0 0.0%
Incl. Wall Time (microsec)2,980 3,031 51 1.7%
Incl. Wall Time (microsec) per call 298 303 5 1.7%
Excl. Wall Time (microsec)85 88 3 3.5%
Incl. CPU (microsecs)2,992 3,047 55 1.8%
Incl. CPU (microsecs) per call 299 305 6 1.8%
Excl. CPU (microsec)67 75 8 11.9%
Incl. MemUse (bytes)419,296 419,320 24 0.0%
Incl. MemUse (bytes) per call 41,930 41,932 2 0.0%
Excl. MemUse (bytes)6,632 6,632 0 0.0%
Incl. PeakMemUse (bytes)405,272 405,336 64 0.0%
Incl. PeakMemUse (bytes) per call 40,527 40,534 6 0.0%
Excl. PeakMemUse (bytes)4,272 4,272 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::select [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::select0 N/A% 51 20.5% 55 45.5% 24 0.1% 64 0.3%
Exclusive Metrics Diff for Current Function3 5.9% 8 14.5% 0 0.0% 0 0.0%
Parent functions
db_select0 N/A% 46 90.2% 47 85.5% 24 100.0% 64 100.0%
Drupal\field_sql_storage\Entity\Query::prepare0 N/A% 4 7.8% 8 14.5% 0 0.0% 0 0.0%
Drupal\user\UserData::get0 N/A% 1 2.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 62 121.6% 60 109.1% 24 100.0% 64 100.0%
Drupal\Core\Database\Query\Select::__construct0 N/A% -14 -27.5% -13 -23.6% 0 0.0% 0 0.0%