Diff Report
Run #51fdbdbb58abc: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51fdbdbb58abcRun #51fdbca2b5409DiffDiff%
Number of Function Calls133 133 0 0.0%
Incl. Wall Time (microsec)6,868 6,847 -21 -0.3%
Incl. Wall Time (microsec) per call 52 51 -0 -0.3%
Excl. Wall Time (microsec)1,805 1,737 -68 -3.8%
Incl. CPU (microsecs)4,759 4,674 -85 -1.8%
Incl. CPU (microsecs) per call 36 35 -1 -1.8%
Excl. CPU (microsec)1,502 1,435 -67 -4.5%
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)126,168 126,032 -136 -0.1%
Incl. PeakMemUse (bytes) per call 949 948 -1 -0.1%
Excl. PeakMemUse (bytes)22,368 22,840 472 2.1%

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% -21 -2.2% -85 -118.1% 0 0.0% -136 -0.4%
Exclusive Metrics Diff for Current Function-68 -323.8% -67 -78.8% 0 N/A% 472 347.1%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -26 -123.8% 1 1.2% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 5 23.8% -86 -101.2% 0 N/A% -136 -100.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 89 423.8% 28 32.9% 0 N/A% -480 -352.9%
array_diff0 N/A% -17 -81.0% -24 -28.2% 0 N/A% 0 0.0%
drupal_static0 N/A% -13 -61.9% -12 -14.1% 0 N/A% 0 0.0%
array_keys0 N/A% -12 -57.1% -6 -7.1% 0 N/A% -128 -94.1%
array_fill_keys0 N/A% -5 -23.8% -6 -7.1% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 5 23.8% 2 2.4% 0 N/A% 0 0.0%