Diff Report
Run #53195a48b6f09: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53195bb0cc668: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #53195a48b6f09Run #53195bb0cc668DiffDiff%
Number of Function Calls84 84 0 0.0%
Incl. Wall Time (microsec)6,151 5,782 -369 -6.0%
Incl. Wall Time (microsec) per call 73 69 -4 -6.0%
Excl. Wall Time (microsec)1,719 1,608 -111 -6.5%
Incl. CPU (microsecs)5,649 5,264 -385 -6.8%
Incl. CPU (microsecs) per call 67 63 -5 -6.8%
Excl. CPU (microsec)1,415 1,307 -108 -7.6%
Incl. MemUse (bytes)70,000 70,000 0 0.0%
Incl. MemUse (bytes) per call 833 833 0 0.0%
Excl. MemUse (bytes)-170,632 -170,640 -8 -0.0%
Incl. PeakMemUse (bytes)105,560 105,896 336 0.3%
Incl. PeakMemUse (bytes) per call 1,257 1,261 4 0.3%
Excl. PeakMemUse (bytes)19,312 19,376 64 0.3%

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% -369 -10.7% -385 -11.0% 0 0.0% 336 0.1%
Exclusive Metrics Diff for Current Function-111 -30.1% -108 -28.1% -8 N/A% 64 19.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -369 -100.0% -385 -100.0% 0 N/A% 336 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -158 -42.8% -174 -45.2% 24 N/A% 152 45.2%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -46 -12.5% -43 -11.2% 0 N/A% 0 0.0%
array_diff0 N/A% -23 -6.2% -31 -8.1% 0 N/A% 0 0.0%
array_keys0 N/A% -18 -4.9% -11 -2.9% -16 N/A% 120 35.7%
drupal_static0 N/A% -11 -3.0% -13 -3.4% 0 N/A% 0 0.0%
array_fill_keys0 N/A% -2 -0.5% -5 -1.3% 0 N/A% 0 0.0%