Diff Report
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5b0eb2b08: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51ca5a4995c23Run #51ca5b0eb2b08DiffDiff%
Number of Function Calls94 94 0 0.0%
Incl. Wall Time (microsec)7,597 7,795 198 2.6%
Incl. Wall Time (microsec) per call 81 83 2 2.6%
Excl. Wall Time (microsec)1,907 1,945 38 2.0%
Incl. CPU (microsecs)5,531 5,689 158 2.9%
Incl. CPU (microsecs) per call 59 61 2 2.9%
Excl. CPU (microsec)1,622 1,694 72 4.4%
Incl. MemUse (bytes)71,488 71,488 0 0.0%
Incl. MemUse (bytes) per call 761 761 0 0.0%
Excl. MemUse (bytes)-147,336 -147,304 32 0.0%
Incl. PeakMemUse (bytes)132,624 133,096 472 0.4%
Incl. PeakMemUse (bytes) per call 1,411 1,416 5 0.4%
Excl. PeakMemUse (bytes)34,368 34,456 88 0.3%

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% 198 5.3% 158 6.3% 0 0.0% 472 0.2%
Exclusive Metrics Diff for Current Function38 19.2% 72 45.6% 32 N/A% 88 18.6%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 213 107.6% 155 98.1% 0 N/A% 584 123.7%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 0 0.0% 2 1.3% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -15 -7.6% 1 0.6% 0 N/A% -112 -23.7%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 116 58.6% 63 39.9% 0 N/A% 232 49.2%
array_keys0 N/A% 32 16.2% 26 16.5% -32 N/A% 152 32.2%
array_diff0 N/A% 24 12.1% 15 9.5% 0 N/A% 0 0.0%
drupal_static0 N/A% -5 -2.5% -13 -8.2% 0 N/A% 0 0.0%
array_fill_keys0 N/A% -3 -1.5% -3 -1.9% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -4 -2.0% -2 -1.3% 0 N/A% 0 0.0%