Diff Report
Run #5240420daae43: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #524042daedba9: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5240420daae43Run #524042daedba9DiffDiff%
Number of Function Calls108 108 0 0.0%
Incl. Wall Time (microsec)8,238 8,253 15 0.2%
Incl. Wall Time (microsec) per call 76 76 0 0.2%
Excl. Wall Time (microsec)2,115 2,104 -11 -0.5%
Incl. CPU (microsecs)5,977 5,982 5 0.1%
Incl. CPU (microsecs) per call 55 55 0 0.1%
Excl. CPU (microsec)1,819 1,806 -13 -0.7%
Incl. MemUse (bytes)75,176 75,176 0 0.0%
Incl. MemUse (bytes) per call 696 696 0 0.0%
Excl. MemUse (bytes)-125,824 -125,832 -8 -0.0%
Incl. PeakMemUse (bytes)88,496 88,752 256 0.3%
Incl. PeakMemUse (bytes) per call 819 822 2 0.3%
Excl. PeakMemUse (bytes)14,392 14,392 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% 15 0.2% 5 0.1% 0 0.0% 256 0.6%
Exclusive Metrics Diff for Current Function-11 -73.3% -13 -260.0% -8 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 15 100.0% 5 100.0% 0 N/A% 256 100.0%
Child functions
array_diff0 N/A% 18 120.0% 23 460.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -17 -113.3% -13 -260.0% 0 N/A% 0 0.0%
array_keys0 N/A% 12 80.0% 0 0.0% 8 N/A% -120 -46.9%
Drupal\Core\Database\Connection::query0 N/A% 8 53.3% 2 40.0% 0 N/A% 376 146.9%
drupal_static0 N/A% 6 40.0% 6 120.0% 0 N/A% 0 0.0%
array_fill_keys0 N/A% -1 -6.7% 0 0.0% 0 N/A% 0 0.0%