Diff Report
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbd76c2eed: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51fdbca2b5409Run #51fdbd76c2eedDiffDiff%
Number of Function Calls133 133 0 0.0%
Incl. Wall Time (microsec)6,847 6,720 -127 -1.9%
Incl. Wall Time (microsec) per call 51 51 -1 -1.9%
Excl. Wall Time (microsec)1,737 1,725 -12 -0.7%
Incl. CPU (microsecs)4,674 4,562 -112 -2.4%
Incl. CPU (microsecs) per call 35 34 -1 -2.4%
Excl. CPU (microsec)1,435 1,472 37 2.6%
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 Function-12 -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%