Diff Report
Run #52c862ea26981: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c8629919553: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52c862ea26981Run #52c8629919553DiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)3,890 3,883 -7 -0.2%
Incl. Wall Time (microsec) per call 44 44 -0 -0.2%
Excl. Wall Time (microsec)996 967 -29 -2.9%
Incl. CPU (microsecs)2,936 2,889 -47 -1.6%
Incl. CPU (microsecs) per call 33 33 -1 -1.6%
Excl. CPU (microsec)783 788 5 0.6%
Incl. MemUse (bytes)66,952 66,952 0 0.0%
Incl. MemUse (bytes) per call 761 761 0 0.0%
Excl. MemUse (bytes)-118,736 -118,696 40 0.0%
Incl. PeakMemUse (bytes)93,048 94,904 1,856 2.0%
Incl. PeakMemUse (bytes) per call 1,057 1,078 21 2.0%
Excl. PeakMemUse (bytes)13,640 14,328 688 5.0%

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% -7 -10.9% -47 -26.4% 0 0.0% 1,856 7.2%
Exclusive Metrics Diff for Current Function-29 -414.3% 5 10.6% 40 N/A% 688 37.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -7 -100.0% -47 -100.0% 0 N/A% 1,856 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 50 714.3% 27 57.4% -24 N/A% -352 -19.0%
array_keys0 N/A% -33 -471.4% -37 -78.7% -16 N/A% 1,240 66.8%
array_diff0 N/A% 7 100.0% -9 -19.1% 0 N/A% 232 12.5%
drupal_static0 N/A% -3 -42.9% 0 0.0% 0 N/A% 48 2.6%
array_fill_keys0 N/A% 1 14.3% -1 -2.1% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 0 0.0% -32 -68.1% 0 N/A% 0 0.0%