Diff Report
Run #523f1dee40c1a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f1f1f50546: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #523f1dee40c1aRun #523f1f1f50546DiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)9,151 9,799 648 7.1%
Incl. Wall Time (microsec) per call 63 67 4 7.1%
Excl. Wall Time (microsec)2,501 2,515 14 0.6%
Incl. CPU (microsecs)6,353 6,473 120 1.9%
Incl. CPU (microsecs) per call 44 44 1 1.9%
Excl. CPU (microsec)2,084 2,045 -39 -1.9%
Incl. MemUse (bytes)102,512 102,520 8 0.0%
Incl. MemUse (bytes) per call 702 702 0 0.0%
Excl. MemUse (bytes)-197,976 -197,936 40 0.0%
Incl. PeakMemUse (bytes)128,448 129,384 936 0.7%
Incl. PeakMemUse (bytes) per call 880 886 6 0.7%
Excl. PeakMemUse (bytes)31,288 31,896 608 1.9%

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% 648 19.4% 120 3.9% 8 0.0% 936 0.5%
Exclusive Metrics Diff for Current Function14 2.2% -39 -32.5% 40 500.0% 608 65.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 648 100.0% 120 100.0% 8 100.0% 936 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 583 90.0% 71 59.2% 0 0.0% -88 -9.4%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 39 6.0% 44 36.7% 8 100.0% 8 0.9%
array_keys0 N/A% 18 2.8% 30 25.0% -40 -500.0% 312 33.3%
drupal_static0 N/A% -18 -2.8% -6 -5.0% 0 0.0% 64 6.8%
array_diff0 N/A% 9 1.4% 22 18.3% 0 0.0% 32 3.4%
array_fill_keys0 N/A% 3 0.5% -2 -1.7% 0 0.0% 0 0.0%