Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206aca7ae8: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #539205a48c548Run #539206aca7ae8DiffDiff%
Number of Function Calls67 67 0 0.0%
Incl. Wall Time (microsec)13,518 13,659 141 1.0%
Incl. Wall Time (microsec) per call 202 204 2 1.0%
Excl. Wall Time (microsec)1,962 1,946 -16 -0.8%
Incl. CPU (microsecs)8,221 8,145 -76 -0.9%
Incl. CPU (microsecs) per call 123 122 -1 -0.9%
Excl. CPU (microsec)1,690 1,664 -26 -1.5%
Incl. MemUse (bytes)35,468 35,468 0 0.0%
Incl. MemUse (bytes) per call 529 529 0 0.0%
Excl. MemUse (bytes)-99,260 -99,212 48 0.0%
Incl. PeakMemUse (bytes)71,548 71,372 -176 -0.2%
Incl. PeakMemUse (bytes) per call 1,068 1,065 -3 -0.2%
Excl. PeakMemUse (bytes)13,384 13,344 -40 -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% 141 3.1% -76 -2.0% 0 0.0% -176 -0.2%
Exclusive Metrics Diff for Current Function-16 -11.3% -26 -34.2% 48 N/A% -40 -22.7%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 141 100.0% -76 -100.0% 0 N/A% -176 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 139 98.6% -86 -113.2% -8 N/A% -92 -52.3%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 34 24.1% 42 55.3% 0 N/A% 16 9.1%
array_keys0 N/A% -30 -21.3% -19 -25.0% -40 N/A% -52 -29.5%
drupal_static0 N/A% 13 9.2% 11 14.5% 0 N/A% 0 0.0%
array_diff0 N/A% 2 1.4% 7 9.2% 0 N/A% -8 -4.5%
array_fill_keys0 N/A% -1 -0.7% -5 -6.6% 0 N/A% 0 0.0%