Diff Report
Run #5204425923c81: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5204417bc7ab7: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5204425923c81Run #5204417bc7ab7DiffDiff%
Number of Function Calls114 114 0 0.0%
Incl. Wall Time (microsec)6,162 6,407 245 4.0%
Incl. Wall Time (microsec) per call 54 56 2 4.0%
Excl. Wall Time (microsec)1,672 1,630 -42 -2.5%
Incl. CPU (microsecs)4,251 4,337 86 2.0%
Incl. CPU (microsecs) per call 37 38 1 2.0%
Excl. CPU (microsec)1,395 1,375 -20 -1.4%
Incl. MemUse (bytes)77,224 77,224 0 0.0%
Incl. MemUse (bytes) per call 677 677 0 0.0%
Excl. MemUse (bytes)-124,264 -124,272 -8 -0.0%
Incl. PeakMemUse (bytes)110,872 110,704 -168 -0.2%
Incl. PeakMemUse (bytes) per call 973 971 -1 -0.2%
Excl. PeakMemUse (bytes)22,824 22,792 -32 -0.1%

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% 245 310.1% 86 11.0% 0 0.0% -168 -0.4%
Exclusive Metrics Diff for Current Function-42 -17.1% -20 -23.3% -8 N/A% -32 -19.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 222 90.6% 50 58.1% 0 N/A% -168 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 22 9.0% 35 40.7% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 1 0.4% 1 1.2% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 237 96.7% 51 59.3% 0 N/A% -144 -85.7%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 29 11.8% 25 29.1% 0 N/A% 0 0.0%
array_diff0 N/A% 29 11.8% 29 33.7% 0 N/A% 0 0.0%
drupal_static0 N/A% -6 -2.4% -9 -10.5% 0 N/A% 0 0.0%
array_keys0 N/A% -2 -0.8% 6 7.0% 8 N/A% 8 4.8%
array_fill_keys0 N/A% 0 0.0% 4 4.7% 0 N/A% 0 0.0%