Diff Report
Run #531ccb2cb8e3d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccbd4518b6: 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 #531ccbd4518b6DiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)4,658 4,684 26 0.6%
Incl. Wall Time (microsec) per call 67 67 0 0.6%
Excl. Wall Time (microsec)991 996 5 0.5%
Incl. CPU (microsecs)3,340 3,369 29 0.9%
Incl. CPU (microsecs) per call 48 48 0 0.9%
Excl. CPU (microsec)801 815 14 1.7%
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 -152,728 -32 -0.0%
Incl. PeakMemUse (bytes)112,840 112,368 -472 -0.4%
Incl. PeakMemUse (bytes) per call 1,612 1,605 -7 -0.4%
Excl. PeakMemUse (bytes)25,912 25,696 -216 -0.8%

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% 26 26.5% 29 11.1% 0 0.0% -472 -1.2%
Exclusive Metrics Diff for Current Function5 19.2% 14 48.3% -32 N/A% -216 -45.8%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 26 100.0% 29 100.0% 0 N/A% -472 -100.0%
Child functions
array_keys0 N/A% 13 50.0% 19 65.5% 8 N/A% -200 -42.4%
drupal_static0 N/A% 6 23.1% -8 -27.6% 0 N/A% -24 -5.1%
Drupal\Core\Database\Connection::query0 N/A% 3 11.5% 1 3.4% 24 N/A% 72 15.3%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -3 -11.5% -5 -17.2% 0 N/A% 0 0.0%
array_diff0 N/A% 2 7.7% 7 24.1% 0 N/A% -104 -22.0%
array_fill_keys0 N/A% 0 0.0% 1 3.4% 0 N/A% 0 0.0%