Diff Report
Run #519fc956834f6: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc98bf3bad: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519fc956834f6Run #519fc98bf3badDiffDiff%
Number of Function Calls95 95 0 0.0%
Incl. Wall Time (microsec)3,227 3,563 336 10.4%
Incl. Wall Time (microsec) per call 34 38 4 10.4%
Excl. Wall Time (microsec)1,151 1,186 35 3.0%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 42 42 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)67,080 67,080 0 0.0%
Incl. MemUse (bytes) per call 706 706 0 0.0%
Excl. MemUse (bytes)-99,592 -99,592 0 0.0%
Incl. PeakMemUse (bytes)98,384 98,384 0 0.0%
Incl. PeakMemUse (bytes) per call 1,036 1,036 0 0.0%
Excl. PeakMemUse (bytes)20,336 20,336 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% 336 282.4% 4,000 400000.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function35 10.4% 0 0.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 341 101.5% 4,000 100.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -5 -1.5% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 275 81.8% 0 0.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 23 6.8% 4,000 100.0% 0 N/A% 0 N/A%
array_keys0 N/A% -13 -3.9% 0 0.0% 0 N/A% 0 N/A%
array_diff0 N/A% 8 2.4% 0 0.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 8 2.4% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%