Diff Report
Run #519d4dc9980f7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519d4dc9980f7Run #519d4cd4e396dDiffDiff%
Number of Function Calls111 111 0 0.0%
Incl. Wall Time (microsec)8,100 7,965 -135 -1.7%
Incl. Wall Time (microsec) per call 73 72 -1 -1.7%
Excl. Wall Time (microsec)2,272 2,295 23 1.0%
Incl. CPU (microsecs)5,772 5,746 -26 -0.5%
Incl. CPU (microsecs) per call 52 52 -0 -0.5%
Excl. CPU (microsec)1,972 2,013 41 2.1%
Incl. MemUse (bytes)44,008 44,008 0 0.0%
Incl. MemUse (bytes) per call 396 396 0 0.0%
Excl. MemUse (bytes)-51,680 -51,664 16 0.0%
Incl. PeakMemUse (bytes)39,832 39,864 32 0.1%
Incl. PeakMemUse (bytes) per call 359 359 0 0.1%
Excl. PeakMemUse (bytes)10,716 10,672 -44 -0.4%

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% -135 -0.9% -26 -0.2% 0 0.0% 32 5.0%
Exclusive Metrics Diff for Current Function23 17.0% 41 157.7% 16 N/A% -44 -137.5%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -135 -100.0% -32 -123.1% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 0 0.0% -1 -3.8% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 0 0.0% 7 26.9% 0 N/A% 32 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -144 -106.7% -38 -146.2% -12 N/A% 0 0.0%
array_keys0 N/A% -19 -14.1% -14 -53.8% -4 N/A% 12 37.5%
array_diff0 N/A% 7 5.2% 4 15.4% 0 N/A% 64 200.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -5 -3.7% -5 -19.2% 0 N/A% 0 0.0%
drupal_static0 N/A% 3 2.2% -11 -42.3% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% -3 -11.5% 0 N/A% 0 0.0%