Diff Report
Run #52ed72044139b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52ed72fd446c1: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52ed72044139bRun #52ed72fd446c1DiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)7,009 7,535 526 7.5%
Incl. Wall Time (microsec) per call 91 98 7 7.5%
Excl. Wall Time (microsec)1,955 2,102 147 7.5%
Incl. CPU (microsecs)6,592 7,113 521 7.9%
Incl. CPU (microsecs) per call 86 92 7 7.9%
Excl. CPU (microsec)1,695 1,809 114 6.7%
Incl. MemUse (bytes)60,728 60,728 0 0.0%
Incl. MemUse (bytes) per call 789 789 0 0.0%
Excl. MemUse (bytes)-116,304 -116,304 0 0.0%
Incl. PeakMemUse (bytes)66,968 66,968 0 0.0%
Incl. PeakMemUse (bytes) per call 870 870 0 0.0%
Excl. PeakMemUse (bytes)14,272 14,272 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% 526 53.9% 521 27.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function147 27.9% 114 21.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 526 100.0% 521 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 257 48.9% 260 49.9% 0 N/A% 0 N/A%
array_keys0 N/A% 35 6.7% 52 10.0% 0 N/A% 0 N/A%
array_diff0 N/A% 33 6.3% 42 8.1% 0 N/A% 0 N/A%
drupal_static0 N/A% 27 5.1% 25 4.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 23 4.4% 23 4.4% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 4 0.8% 5 1.0% 0 N/A% 0 N/A%