Diff Report
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff79b9e81a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519ff693b4ca2Run #519ff79b9e81aDiffDiff%
Number of Function Calls80 80 0 0.0%
Incl. Wall Time (microsec)4,340 4,374 34 0.8%
Incl. Wall Time (microsec) per call 54 55 0 0.8%
Excl. Wall Time (microsec)1,514 1,521 7 0.5%
Incl. CPU (microsecs)4,207 4,232 25 0.6%
Incl. CPU (microsecs) per call 53 53 0 0.6%
Excl. CPU (microsec)1,266 1,295 29 2.3%
Incl. MemUse (bytes)59,760 59,760 0 0.0%
Incl. MemUse (bytes) per call 747 747 0 0.0%
Excl. MemUse (bytes)-76,976 -76,976 0 0.0%
Incl. PeakMemUse (bytes)59,464 59,464 0 0.0%
Incl. PeakMemUse (bytes) per call 743 743 0 0.0%
Excl. PeakMemUse (bytes)12,808 12,808 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% 34 6.0% 25 4.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function7 20.6% 29 116.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 35 102.9% 24 96.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -1 -2.9% 1 4.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 27 79.4% 10 40.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 3 8.8% -7 -28.0% 0 N/A% 0 N/A%
array_keys0 N/A% -2 -5.9% -2 -8.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -2 -5.9% -7 -28.0% 0 N/A% 0 N/A%
array_diff0 N/A% 1 2.9% 5 20.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% -3 -12.0% 0 N/A% 0 N/A%