Diff Report
Run #5391fd5a43e70: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5391fd5a43e70Run #5391fc871e91dDiffDiff%
Number of Function Calls65 65 0 0.0%
Incl. Wall Time (microsec)12,690 13,694 1,004 7.9%
Incl. Wall Time (microsec) per call 195 211 15 7.9%
Excl. Wall Time (microsec)1,889 1,977 88 4.7%
Incl. CPU (microsecs)7,585 7,948 363 4.8%
Incl. CPU (microsecs) per call 117 122 6 4.8%
Excl. CPU (microsec)1,640 1,664 24 1.5%
Incl. MemUse (bytes)34,624 34,624 0 0.0%
Incl. MemUse (bytes) per call 533 533 0 0.0%
Excl. MemUse (bytes)-94,156 -94,152 4 0.0%
Incl. PeakMemUse (bytes)71,060 72,084 1,024 1.4%
Incl. PeakMemUse (bytes) per call 1,093 1,109 16 1.4%
Excl. PeakMemUse (bytes)13,788 14,108 320 2.3%

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% 1,004 60.2% 363 90.8% 0 0.0% 1,024 4.1%
Exclusive Metrics Diff for Current Function88 8.8% 24 6.6% 4 N/A% 320 31.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 1,004 100.0% 363 100.0% 0 N/A% 1,024 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 836 83.3% 220 60.6% 0 N/A% 168 16.4%
drupal_static0 N/A% 34 3.4% 42 11.6% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 21 2.1% 30 8.3% 0 N/A% 16 1.6%
array_keys0 N/A% 15 1.5% 27 7.4% -4 N/A% 532 52.0%
array_diff0 N/A% 10 1.0% 27 7.4% 0 N/A% -12 -1.2%
array_fill_keys0 N/A% 0 0.0% -7 -1.9% 0 N/A% 0 0.0%