Diff Report
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7f35533b: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519eb7a1537f7Run #519eb7f35533bDiffDiff%
Number of Function Calls119 119 0 0.0%
Incl. Wall Time (microsec)8,774 8,688 -86 -1.0%
Incl. Wall Time (microsec) per call 74 73 -1 -1.0%
Excl. Wall Time (microsec)2,464 2,459 -5 -0.2%
Incl. CPU (microsecs)6,131 6,176 45 0.7%
Incl. CPU (microsecs) per call 52 52 0 0.7%
Excl. CPU (microsec)2,146 2,164 18 0.8%
Incl. MemUse (bytes)45,832 45,832 0 0.0%
Incl. MemUse (bytes) per call 385 385 0 0.0%
Excl. MemUse (bytes)-56,044 -56,044 0 0.0%
Incl. PeakMemUse (bytes)40,452 40,452 0 0.0%
Incl. PeakMemUse (bytes) per call 340 340 0 0.0%
Excl. PeakMemUse (bytes)11,128 11,128 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% -86 -2.9% 45 2.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -5.8% 18 40.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -48 -55.8% -12 -26.7% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -38 -44.2% 57 126.7% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -102 -118.6% 25 55.6% 0 N/A% 0 N/A%
array_diff0 N/A% 25 29.1% 8 17.8% 0 N/A% 0 N/A%
array_keys0 N/A% -18 -20.9% -24 -53.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 13 15.1% 11 24.4% 0 N/A% 0 N/A%
drupal_static0 N/A% 2 2.3% 2 4.4% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -1 -1.2% 5 11.1% 0 N/A% 0 N/A%