Diff Report
Run #5350e128cfd2b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5350e2663e694: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5350e128cfd2bRun #5350e2663e694DiffDiff%
Number of Function Calls104 104 0 0.0%
Incl. Wall Time (microsec)4,420 4,443 23 0.5%
Incl. Wall Time (microsec) per call 43 43 0 0.5%
Excl. Wall Time (microsec)1,133 1,149 16 1.4%
Incl. CPU (microsecs)3,353 3,361 8 0.2%
Incl. CPU (microsecs) per call 32 32 0 0.2%
Excl. CPU (microsec)900 941 41 4.6%
Incl. MemUse (bytes)81,048 81,048 0 0.0%
Incl. MemUse (bytes) per call 779 779 0 0.0%
Excl. MemUse (bytes)-184,544 -184,560 -16 -0.0%
Incl. PeakMemUse (bytes)92,792 92,872 80 0.1%
Incl. PeakMemUse (bytes) per call 892 893 1 0.1%
Excl. PeakMemUse (bytes)18,784 18,648 -136 -0.7%

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% 23 1.4% 8 0.5% 0 0.0% 80 0.4%
Exclusive Metrics Diff for Current Function16 69.6% 41 512.5% -16 N/A% -136 -170.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 21 91.3% 5 62.5% 0 N/A% 80 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 2 8.7% 3 37.5% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 21 91.3% -2 -25.0% 24 N/A% 0 0.0%
array_keys0 N/A% -10 -43.5% -9 -112.5% -8 N/A% 176 220.0%
array_diff0 N/A% -9 -39.1% -18 -225.0% 0 N/A% 40 50.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 3 13.0% 7 87.5% 0 N/A% 0 0.0%
drupal_static0 N/A% 2 8.7% -4 -50.0% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% -7 -87.5% 0 N/A% 0 0.0%