Diff Report
Run #52353e715a325: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52353d82849e7: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52353e715a325Run #52353d82849e7DiffDiff%
Number of Function Calls84 84 0 0.0%
Incl. Wall Time (microsec)7,880 7,957 77 1.0%
Incl. Wall Time (microsec) per call 94 95 1 1.0%
Excl. Wall Time (microsec)1,907 2,027 120 6.3%
Incl. CPU (microsecs)5,759 6,014 255 4.4%
Incl. CPU (microsecs) per call 69 72 3 4.4%
Excl. CPU (microsec)1,606 1,697 91 5.7%
Incl. MemUse (bytes)65,432 65,416 -16 -0.0%
Incl. MemUse (bytes) per call 779 779 -0 -0.0%
Excl. MemUse (bytes)-108,752 -108,744 8 0.0%
Incl. PeakMemUse (bytes)97,880 98,344 464 0.5%
Incl. PeakMemUse (bytes) per call 1,165 1,171 6 0.5%
Excl. PeakMemUse (bytes)19,920 19,968 48 0.2%

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% 77 1.2% 255 4.2% -16 -0.0% 464 0.4%
Exclusive Metrics Diff for Current Function120 155.8% 91 35.7% 8 50.0% 48 10.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 77 100.0% 255 100.0% -16 -100.0% 464 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -93 -120.8% 100 39.2% 0 0.0% 192 41.4%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -55 -71.4% -60 -23.5% -16 -100.0% 40 8.6%
array_diff0 N/A% 39 50.6% 35 13.7% 0 0.0% 32 6.9%
array_keys0 N/A% 36 46.8% 50 19.6% -8 -50.0% 144 31.0%
drupal_static0 N/A% 32 41.6% 34 13.3% 0 0.0% 8 1.7%
array_fill_keys0 N/A% -2 -2.6% 5 2.0% 0 0.0% 0 0.0%