Diff Report
Run #52e49caf3c7f2: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e49d4d3a1f8: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52e49caf3c7f2Run #52e49d4d3a1f8DiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)3,998 4,096 98 2.5%
Incl. Wall Time (microsec) per call 57 59 1 2.5%
Excl. Wall Time (microsec)1,240 1,246 6 0.5%
Incl. CPU (microsecs)3,697 3,806 109 2.9%
Incl. CPU (microsecs) per call 53 54 2 2.9%
Excl. CPU (microsec)977 1,009 32 3.3%
Incl. MemUse (bytes)55,624 55,624 0 0.0%
Incl. MemUse (bytes) per call 795 795 0 0.0%
Excl. MemUse (bytes)-94,776 -94,776 0 0.0%
Incl. PeakMemUse (bytes)83,944 83,944 0 0.0%
Incl. PeakMemUse (bytes) per call 1,199 1,199 0 0.0%
Excl. PeakMemUse (bytes)14,104 14,104 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% 98 10.3% 109 11.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function6 6.1% 32 29.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 98 100.0% 109 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 61 62.2% 70 64.2% 0 N/A% 0 N/A%
drupal_static0 N/A% 21 21.4% 22 20.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 9 9.2% 11 10.1% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 3 3.1% -4 -3.7% 0 N/A% 0 N/A%
array_keys0 N/A% -2 -2.0% 0 0.0% 0 N/A% 0 N/A%
array_diff0 N/A% 0 0.0% -22 -20.2% 0 N/A% 0 N/A%