Diff Report
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e636f9416a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519e62c02d767Run #519e636f9416aDiffDiff%
Number of Function Calls122 122 0 0.0%
Incl. Wall Time (microsec)4,840 4,592 -248 -5.1%
Incl. Wall Time (microsec) per call 40 38 -2 -5.1%
Excl. Wall Time (microsec)1,537 1,537 0 0.0%
Incl. CPU (microsecs)3,983 3,898 -85 -2.1%
Incl. CPU (microsecs) per call 33 32 -1 -2.1%
Excl. CPU (microsec)1,255 1,292 37 2.9%
Incl. MemUse (bytes)84,352 84,352 0 0.0%
Incl. MemUse (bytes) per call 691 691 0 0.0%
Excl. MemUse (bytes)-110,280 -110,256 24 0.0%
Incl. PeakMemUse (bytes)61,224 61,232 8 0.0%
Incl. PeakMemUse (bytes) per call 502 502 0 0.0%
Excl. PeakMemUse (bytes)10,824 10,792 -32 -0.3%

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% -248 -1.5% -85 -0.6% 0 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function0 0.0% 37 43.5% 24 N/A% -32 -400.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -248 -100.0% -83 -97.6% 0 N/A% 8 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 0 0.0% -2 -2.4% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -282 -113.7% -119 -140.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 22 8.9% 18 21.2% 0 N/A% 0 0.0%
array_keys0 N/A% 12 4.8% 7 8.2% -24 N/A% 40 500.0%
array_diff0 N/A% 8 3.2% 0 0.0% 0 N/A% 0 0.0%
drupal_static0 N/A% -8 -3.2% -24 -28.2% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% -4 -4.7% 0 N/A% 0 0.0%