Diff Report
Run #519af56893788: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519af3b0bf970: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519af56893788Run #519af3b0bf970DiffDiff%
Number of Function Calls110 110 0 0.0%
Incl. Wall Time (microsec)4,735 4,889 154 3.3%
Incl. Wall Time (microsec) per call 43 44 1 3.3%
Excl. Wall Time (microsec)1,412 1,443 31 2.2%
Incl. CPU (microsecs)3,675 3,797 122 3.3%
Incl. CPU (microsecs) per call 33 35 1 3.3%
Excl. CPU (microsec)1,119 1,163 44 3.9%
Incl. MemUse (bytes)74,400 74,416 16 0.0%
Incl. MemUse (bytes) per call 676 677 0 0.0%
Excl. MemUse (bytes)-108,256 -108,256 0 0.0%
Incl. PeakMemUse (bytes)61,976 62,024 48 0.1%
Incl. PeakMemUse (bytes) per call 563 564 0 0.1%
Excl. PeakMemUse (bytes)10,032 10,032 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% 154 27.9% 122 25.8% 16 0.0% 48 0.1%
Exclusive Metrics Diff for Current Function31 20.1% 44 36.1% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 145 94.2% 126 103.3% 16 100.0% 128 266.7%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 9 5.8% -4 -3.3% 0 0.0% -80 -166.7%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 97 63.0% 72 59.0% 0 0.0% 80 166.7%
drupal_static0 N/A% 19 12.3% 25 20.5% 0 0.0% 0 0.0%
array_diff0 N/A% 7 4.5% -1 -0.8% 0 0.0% 16 33.3%
array_keys0 N/A% -2 -1.3% -19 -15.6% 16 100.0% -48 -100.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 2 1.3% 2 1.6% 0 0.0% 0 0.0%
array_fill_keys0 N/A% 0 0.0% -1 -0.8% 0 0.0% 0 0.0%