Diff Report
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51ec66a5a877dRun #51ec623000e0cDiffDiff%
Number of Function Calls151 151 0 0.0%
Incl. Wall Time (microsec)5,201 5,342 141 2.7%
Incl. Wall Time (microsec) per call 34 35 1 2.7%
Excl. Wall Time (microsec)1,888 1,828 -60 -3.2%
Incl. CPU (microsecs)4,551 4,570 19 0.4%
Incl. CPU (microsecs) per call 30 30 0 0.4%
Excl. CPU (microsec)1,551 1,545 -6 -0.4%
Incl. MemUse (bytes)96,272 96,184 -88 -0.1%
Incl. MemUse (bytes) per call 638 637 -1 -0.1%
Excl. MemUse (bytes)-171,960 -171,648 312 0.2%
Incl. PeakMemUse (bytes)119,280 118,064 -1,216 -1.0%
Incl. PeakMemUse (bytes) per call 790 782 -8 -1.0%
Excl. PeakMemUse (bytes)29,472 29,168 -304 -1.0%

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% 141 6.0% 19 0.6% -88 -0.1% -1,216 -1.7%
Exclusive Metrics Diff for Current Function-60 -42.6% -6 -31.6% 312 354.5% -304 -25.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 106 75.2% 24 126.3% -88 -100.0% -1,216 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 35 24.8% -5 -26.3% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 100 70.9% -20 -105.3% -48 -54.5% -920 -75.7%
array_diff0 N/A% 58 41.1% 29 152.6% 0 0.0% -16 -1.3%
array_keys0 N/A% 41 29.1% 32 168.4% -312 -354.5% 96 7.9%
drupal_static0 N/A% 14 9.9% -3 -15.8% 0 0.0% -48 -3.9%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -12 -8.5% -17 -89.5% -40 -45.5% -24 -2.0%
array_fill_keys0 N/A% 0 0.0% 4 21.1% 0 0.0% 0 0.0%