Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8bb569af: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for db_select

db_selectRun #519fe7ae1f6ccRun #519fe8bb569afDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)355 412 57 16.1%
Incl. Wall Time (microsec) per call 89 103 14 16.1%
Excl. Wall Time (microsec)51 58 7 13.7%
Incl. CPU (microsecs)364 417 53 14.6%
Incl. CPU (microsecs) per call 91 104 13 14.6%
Excl. CPU (microsec)43 45 2 4.7%
Incl. MemUse (bytes)15,936 15,936 0 0.0%
Incl. MemUse (bytes) per call 3,984 3,984 0 0.0%
Excl. MemUse (bytes)2,408 2,408 0 0.0%
Incl. PeakMemUse (bytes)11,992 11,992 0 0.0%
Incl. PeakMemUse (bytes) per call 2,998 2,998 0 0.0%
Excl. PeakMemUse (bytes)2,200 2,200 0 0.0%

Parent/Child Regression/Improvement report for db_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
db_select0 N/A% 57 4.6% 53 10.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function7 12.3% 2 3.8% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 55 96.5% 51 96.2% 0 N/A% 0 N/A%
shortcut_current_displayed_set0 N/A% 2 3.5% 2 3.8% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::select0 N/A% 47 82.5% 48 90.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::getConnection0 N/A% 3 5.3% 3 5.7% 0 N/A% 0 N/A%