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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519e636f9416aRun #519e62c02d767DiffDiff%
Number of Function Calls122 122 0 0.0%
Incl. Wall Time (microsec)4,592 4,840 248 5.4%
Incl. Wall Time (microsec) per call 38 40 2 5.4%
Excl. Wall Time (microsec)1,537 1,537 0 0.0%
Incl. CPU (microsecs)3,898 3,983 85 2.2%
Incl. CPU (microsecs) per call 32 33 1 2.2%
Excl. CPU (microsec)1,292 1,255 -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)-110,256 -110,280 -24 -0.0%
Incl. PeakMemUse (bytes)61,232 61,224 -8 -0.0%
Incl. PeakMemUse (bytes) per call 502 502 -0 -0.0%
Excl. PeakMemUse (bytes)10,792 10,824 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%