Diff Report
Run #52f2e62cef49a: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52f2e62cef49aRun #52f2e60305388DiffDiff%
Number of Function Calls97 97 0 0.0%
Incl. Wall Time (microsec)5,428 5,596 168 3.1%
Incl. Wall Time (microsec) per call 56 58 2 3.1%
Excl. Wall Time (microsec)1,414 1,401 -13 -0.9%
Incl. CPU (microsecs)4,270 4,376 106 2.5%
Incl. CPU (microsecs) per call 44 45 1 2.5%
Excl. CPU (microsec)1,158 1,171 13 1.1%
Incl. MemUse (bytes)72,192 72,192 0 0.0%
Incl. MemUse (bytes) per call 744 744 0 0.0%
Excl. MemUse (bytes)-123,112 -123,104 8 0.0%
Incl. PeakMemUse (bytes)90,864 90,920 56 0.1%
Incl. PeakMemUse (bytes) per call 937 937 1 0.1%
Excl. PeakMemUse (bytes)14,408 14,408 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% 168 7.4% 106 5.2% 0 0.0% 56 0.1%
Exclusive Metrics Diff for Current Function-13 -7.7% 13 12.3% 8 N/A% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 166 98.8% 103 97.2% 0 N/A% 56 100.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 2 1.2% 3 2.8% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 148 88.1% 81 76.4% 8 N/A% 64 114.3%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 23 13.7% 18 17.0% 0 N/A% 0 0.0%
array_keys0 N/A% 18 10.7% 18 17.0% -16 N/A% -8 -14.3%
drupal_static0 N/A% -9 -5.4% -33 -31.1% 0 N/A% 0 0.0%
array_diff0 N/A% 1 0.6% 7 6.6% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 2 1.9% 0 N/A% 0 0.0%