Diff Report
Run #531ccb2cb8e3d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccba053790: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #531ccb2cb8e3dRun #531ccba053790DiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)4,658 4,681 23 0.5%
Incl. Wall Time (microsec) per call 67 67 0 0.5%
Excl. Wall Time (microsec)991 1,003 12 1.2%
Incl. CPU (microsecs)3,340 3,351 11 0.3%
Incl. CPU (microsecs) per call 48 48 0 0.3%
Excl. CPU (microsec)801 805 4 0.5%
Incl. MemUse (bytes)65,384 65,384 0 0.0%
Incl. MemUse (bytes) per call 934 934 0 0.0%
Excl. MemUse (bytes)-152,696 -152,696 0 0.0%
Incl. PeakMemUse (bytes)112,840 112,840 0 0.0%
Incl. PeakMemUse (bytes) per call 1,612 1,612 0 0.0%
Excl. PeakMemUse (bytes)25,912 25,912 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::checksumTags [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\Cache\DatabaseBackend::checksumTags0 N/A% 23 39.7% 11 18.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function12 52.2% 4 36.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 23 100.0% 11 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 21 91.3% 1 9.1% 0 N/A% 0 N/A%
array_keys0 N/A% -7 -30.4% -6 -54.5% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -3 -13.0% 6 54.5% 0 N/A% 0 N/A%
array_diff0 N/A% -2 -8.7% 17 154.5% 0 N/A% 0 N/A%
drupal_static0 N/A% 2 8.7% -6 -54.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 0 0.0% -5 -45.5% 0 N/A% 0 N/A%