Diff Report
Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf19d00e96: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #53ccf06f3ae60Run #53ccf19d00e96DiffDiff%
Number of Function Calls90 90 0 0.0%
Incl. Wall Time (microsec)4,163 4,013 -150 -3.6%
Incl. Wall Time (microsec) per call 46 45 -2 -3.6%
Excl. Wall Time (microsec)1,022 1,002 -20 -2.0%
Incl. CPU (microsecs)3,002 2,914 -88 -2.9%
Incl. CPU (microsecs) per call 33 32 -1 -2.9%
Excl. CPU (microsec)852 841 -11 -1.3%
Incl. MemUse (bytes)71,112 71,112 0 0.0%
Incl. MemUse (bytes) per call 790 790 0 0.0%
Excl. MemUse (bytes)-117,416 -117,416 0 0.0%
Incl. PeakMemUse (bytes)92,504 92,504 0 0.0%
Incl. PeakMemUse (bytes) per call 1,028 1,028 0 0.0%
Excl. PeakMemUse (bytes)19,608 19,608 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% -150 -11.4% -88 -8.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-20 -13.3% -11 -12.5% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -153 -102.0% -90 -102.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 3 2.0% 2 2.3% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -123 -82.0% -63 -71.6% 0 N/A% 0 N/A%
drupal_static0 N/A% -4 -2.7% -6 -6.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -3 -2.0% -8 -9.1% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 2 1.3% 2 2.3% 0 N/A% 0 N/A%
array_diff0 N/A% -2 -1.3% 2 2.3% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% -4 -4.5% 0 N/A% 0 N/A%