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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519d9d52c2102Run #519d9cf28420eDiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)6,197 6,293 96 1.5%
Incl. Wall Time (microsec) per call 53 54 1 1.5%
Excl. Wall Time (microsec)1,701 1,615 -86 -5.1%
Incl. CPU (microsecs)4,581 4,633 52 1.1%
Incl. CPU (microsecs) per call 39 40 0 1.1%
Excl. CPU (microsec)1,443 1,347 -96 -6.7%
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 Function-86 -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%