Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206513e72e: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #539205a48c548Run #539206513e72eDiffDiff%
Number of Function Calls67 67 0 0.0%
Incl. Wall Time (microsec)13,518 13,482 -36 -0.3%
Incl. Wall Time (microsec) per call 202 201 -1 -0.3%
Excl. Wall Time (microsec)1,962 1,978 16 0.8%
Incl. CPU (microsecs)8,221 8,076 -145 -1.8%
Incl. CPU (microsecs) per call 123 121 -2 -1.8%
Excl. CPU (microsec)1,690 1,689 -1 -0.1%
Incl. MemUse (bytes)35,468 35,468 0 0.0%
Incl. MemUse (bytes) per call 529 529 0 0.0%
Excl. MemUse (bytes)-99,260 -99,260 0 0.0%
Incl. PeakMemUse (bytes)71,548 71,548 0 0.0%
Incl. PeakMemUse (bytes) per call 1,068 1,068 0 0.0%
Excl. PeakMemUse (bytes)13,384 13,384 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% -36 -4.0% -145 -41.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function16 44.4% -1 -0.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -36 -100.0% -145 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -47 -130.6% -149 -102.8% 0 N/A% 0 N/A%
array_diff0 N/A% -15 -41.7% -14 -9.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 12 33.3% 12 8.3% 0 N/A% 0 N/A%
drupal_static0 N/A% -10 -27.8% -13 -9.0% 0 N/A% 0 N/A%
array_keys0 N/A% 6 16.7% 21 14.5% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 2 5.6% -1 -0.7% 0 N/A% 0 N/A%