Diff Report
Run #52084105e6dcb: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5208407650493: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52084105e6dcbRun #5208407650493DiffDiff%
Number of Function Calls81 81 0 0.0%
Incl. Wall Time (microsec)3,760 3,840 80 2.1%
Incl. Wall Time (microsec) per call 46 47 1 2.1%
Excl. Wall Time (microsec)1,061 1,038 -23 -2.2%
Incl. CPU (microsecs)2,556 2,602 46 1.8%
Incl. CPU (microsecs) per call 32 32 1 1.8%
Excl. CPU (microsec)871 870 -1 -0.1%
Incl. MemUse (bytes)56,752 56,768 16 0.0%
Incl. MemUse (bytes) per call 701 701 0 0.0%
Excl. MemUse (bytes)-47,288 -47,584 -296 -0.6%
Incl. PeakMemUse (bytes)37,824 41,704 3,880 10.3%
Incl. PeakMemUse (bytes) per call 467 515 48 10.3%
Excl. PeakMemUse (bytes)6,440 6,648 208 3.2%

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% 80 10.4% 46 4.4% 16 0.1% 3,880 14.2%
Exclusive Metrics Diff for Current Function-23 -28.7% -1 -2.2% -296 -1850.0% 208 5.4%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 80 100.0% 46 100.0% 16 100.0% 3,880 100.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 104 130.0% 64 139.1% 32 200.0% 3,360 86.6%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -8 -10.0% -10 -21.7% 0 0.0% 0 0.0%
array_diff0 N/A% 6 7.5% -2 -4.3% 0 0.0% 80 2.1%
array_keys0 N/A% 6 7.5% 2 4.3% 280 1750.0% 232 6.0%
drupal_static0 N/A% -5 -6.2% -10 -21.7% 0 0.0% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 3 6.5% 0 0.0% 0 0.0%