Diff Report
Run #519de2415c35a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519de1c349c58: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519de2415c35aRun #519de1c349c58DiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)6,307 6,537 230 3.6%
Incl. Wall Time (microsec) per call 50 52 2 3.6%
Excl. Wall Time (microsec)1,799 1,816 17 0.9%
Incl. CPU (microsecs)4,363 4,462 99 2.3%
Incl. CPU (microsecs) per call 35 36 1 2.3%
Excl. CPU (microsec)1,522 1,497 -25 -1.6%
Incl. MemUse (bytes)82,552 82,552 0 0.0%
Incl. MemUse (bytes) per call 660 660 0 0.0%
Excl. MemUse (bytes)-111,296 -111,296 0 0.0%
Incl. PeakMemUse (bytes)63,200 63,200 0 0.0%
Incl. PeakMemUse (bytes) per call 506 506 0 0.0%
Excl. PeakMemUse (bytes)10,408 10,408 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% 230 30.5% 99 31.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function17 7.4% -25 -25.3% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 223 97.0% 93 93.9% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 8 3.5% 7 7.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -1 -0.4% -1 -1.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 147 63.9% 37 37.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 43 18.7% 41 41.4% 0 N/A% 0 N/A%
drupal_static0 N/A% 20 8.7% 17 17.2% 0 N/A% 0 N/A%
array_diff0 N/A% 5 2.2% 9 9.1% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -1 -0.4% 0 0.0% 0 N/A% 0 N/A%
array_keys0 N/A% -1 -0.4% 20 20.2% 0 N/A% 0 N/A%