Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4dc9980f7: 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 #519d4cd4e396dRun #519d4dc9980f7DiffDiff%
Number of Function Calls111 111 0 0.0%
Incl. Wall Time (microsec)7,965 8,100 135 1.7%
Incl. Wall Time (microsec) per call 72 73 1 1.7%
Excl. Wall Time (microsec)2,295 2,272 -23 -1.0%
Incl. CPU (microsecs)5,746 5,772 26 0.5%
Incl. CPU (microsecs) per call 52 52 0 0.5%
Excl. CPU (microsec)2,013 1,972 -41 -2.0%
Incl. MemUse (bytes)44,008 44,008 0 0.0%
Incl. MemUse (bytes) per call 396 396 0 0.0%
Excl. MemUse (bytes)-51,664 -51,680 -16 -0.0%
Incl. PeakMemUse (bytes)39,864 39,832 -32 -0.1%
Incl. PeakMemUse (bytes) per call 359 359 -0 -0.1%
Excl. PeakMemUse (bytes)10,672 10,716 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 Function-23 -17.0% -41 -157.7% -16 N/A% 44 137.5%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 0 0.0% -7 -26.9% 0 N/A% -32 -100.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 0 0.0% 1 3.8% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 135 100.0% 32 123.1% 0 N/A% 0 0.0%
Child functions
array_diff0 N/A% -7 -5.2% -4 -15.4% 0 N/A% -64 -200.0%
array_keys0 N/A% 19 14.1% 14 53.8% 4 N/A% -12 -37.5%
array_fill_keys0 N/A% 0 0.0% 3 11.5% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 5 3.7% 5 19.2% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::query0 N/A% 144 106.7% 38 146.2% 12 N/A% 0 0.0%
drupal_static0 N/A% -3 -2.2% 11 42.3% 0 N/A% 0 0.0%