Diff Report
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbdbb58abc: 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 #51fdbdbb58abcDiffDiff%
Number of Function Calls133 133 0 0.0%
Incl. Wall Time (microsec)6,847 6,868 21 0.3%
Incl. Wall Time (microsec) per call 51 52 0 0.3%
Excl. Wall Time (microsec)1,737 1,805 68 3.9%
Incl. CPU (microsecs)4,674 4,759 85 1.8%
Incl. CPU (microsecs) per call 35 36 1 1.8%
Excl. CPU (microsec)1,435 1,502 67 4.7%
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)126,032 126,168 136 0.1%
Incl. PeakMemUse (bytes) per call 948 949 1 0.1%
Excl. PeakMemUse (bytes)22,840 22,368 -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 Function68 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%