Diff Report
Run #518e79c023047: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518e77f228c59: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #518e79c023047Run #518e77f228c59DiffDiff%
Number of Function Calls75 75 0 0.0%
Incl. Wall Time (microsec)5,464 5,246 -218 -4.0%
Incl. Wall Time (microsec) per call 73 70 -3 -4.0%
Excl. Wall Time (microsec)1,260 1,220 -40 -3.2%
Incl. CPU (microsecs)3,588 3,537 -51 -1.4%
Incl. CPU (microsecs) per call 48 47 -1 -1.4%
Excl. CPU (microsec)1,055 998 -57 -5.4%
Incl. MemUse (bytes)59,880 59,864 -16 -0.0%
Incl. MemUse (bytes) per call 798 798 -0 -0.0%
Excl. MemUse (bytes)-96,648 -96,640 8 0.0%
Incl. PeakMemUse (bytes)110,336 110,360 24 0.0%
Incl. PeakMemUse (bytes) per call 1,471 1,471 0 0.0%
Excl. PeakMemUse (bytes)24,248 24,232 -16 -0.1%

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% -218 -40.2% -51 -6.4% -16 -0.0% 24 0.1%
Exclusive Metrics Diff for Current Function-40 -18.3% -57 -111.8% 8 50.0% -16 -66.7%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -198 -90.8% -57 -111.8% -16 -100.0% 24 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -20 -9.2% 6 11.8% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -212 -97.2% -46 -90.2% 0 0.0% 56 233.3%
array_keys0 N/A% 20 9.2% 16 31.4% -8 -50.0% 40 166.7%
array_diff0 N/A% 11 5.0% 31 60.8% 0 0.0% 16 66.7%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 9 4.1% 6 11.8% -16 -100.0% -16 -66.7%
drupal_static0 N/A% -6 -2.8% 5 9.8% 0 0.0% -56 -233.3%
array_fill_keys0 N/A% 0 0.0% -6 -11.8% 0 0.0% 0 0.0%