Diff Report
Run #51fdbd76c2eed: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51fdbd76c2eedRun #51fdbca2b5409DiffDiff%
Number of Function Calls133 133 0 0.0%
Incl. Wall Time (microsec)6,720 6,847 127 1.9%
Incl. Wall Time (microsec) per call 51 51 1 1.9%
Excl. Wall Time (microsec)1,725 1,737 12 0.7%
Incl. CPU (microsecs)4,562 4,674 112 2.5%
Incl. CPU (microsecs) per call 34 35 1 2.5%
Excl. CPU (microsec)1,472 1,435 -37 -2.5%
Incl. MemUse (bytes)87,376 87,376 0 0.0%
Incl. MemUse (bytes) per call 657 657 0 0.0%
Excl. MemUse (bytes)-181,312 -181,312 0 0.0%
Incl. PeakMemUse (bytes)126,032 126,032 0 0.0%
Incl. PeakMemUse (bytes) per call 948 948 0 0.0%
Excl. PeakMemUse (bytes)22,840 22,840 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% 127 19.1% 112 7.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function12 9.4% -37 -33.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 127 100.0% 107 95.5% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 1 0.8% 1 0.9% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -1 -0.8% 4 3.6% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 89 70.1% 84 75.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 41 32.3% 39 34.8% 0 N/A% 0 N/A%
array_diff0 N/A% -7 -5.5% 4 3.6% 0 N/A% 0 N/A%
drupal_static0 N/A% -7 -5.5% 21 18.8% 0 N/A% 0 N/A%
array_keys0 N/A% -1 -0.8% 2 1.8% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% -1 -0.9% 0 N/A% 0 N/A%