Diff Report
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9d52c2102: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519d9cf28420eRun #519d9d52c2102DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)6,293 6,197 -96 -1.5%
Incl. Wall Time (microsec) per call 54 53 -1 -1.5%
Excl. Wall Time (microsec)1,615 1,701 86 5.3%
Incl. CPU (microsecs)4,633 4,581 -52 -1.1%
Incl. CPU (microsecs) per call 40 39 -0 -1.1%
Excl. CPU (microsec)1,347 1,443 96 7.1%
Incl. MemUse (bytes)81,936 81,936 0 0.0%
Incl. MemUse (bytes) per call 706 706 0 0.0%
Excl. MemUse (bytes)-122,960 -122,960 0 0.0%
Incl. PeakMemUse (bytes)84,176 84,176 0 0.0%
Incl. PeakMemUse (bytes) per call 726 726 0 0.0%
Excl. PeakMemUse (bytes)20,520 20,520 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% -96 -43.4% -52 -2.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function86 89.6% 96 184.6% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -127 -132.3% -32 -61.5% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 32 33.3% -19 -36.5% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -1 -1.0% -1 -1.9% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -115 -119.8% -51 -98.1% 0 N/A% 0 N/A%
array_keys0 N/A% -44 -45.8% -73 -140.4% 0 N/A% 0 N/A%
drupal_static0 N/A% -36 -37.5% -41 -78.8% 0 N/A% 0 N/A%
array_diff0 N/A% 15 15.6% 25 48.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -11 -11.5% -12 -23.1% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 9 9.4% 4 7.7% 0 N/A% 0 N/A%