Diff Report
Run #523f27f8820ba: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f26a22745b: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #523f27f8820baRun #523f26a22745bDiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)9,211 9,608 397 4.3%
Incl. Wall Time (microsec) per call 63 66 3 4.3%
Excl. Wall Time (microsec)2,485 2,574 89 3.6%
Incl. CPU (microsecs)6,309 6,560 251 4.0%
Incl. CPU (microsecs) per call 43 45 2 4.0%
Excl. CPU (microsec)2,051 2,094 43 2.1%
Incl. MemUse (bytes)102,496 102,512 16 0.0%
Incl. MemUse (bytes) per call 702 702 0 0.0%
Excl. MemUse (bytes)-197,936 -197,976 -40 -0.0%
Incl. PeakMemUse (bytes)129,112 128,448 -664 -0.5%
Incl. PeakMemUse (bytes) per call 884 880 -5 -0.5%
Excl. PeakMemUse (bytes)31,920 31,288 -632 -2.0%

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% 397 1.6% 251 1.0% 16 0.0% -664 -0.8%
Exclusive Metrics Diff for Current Function89 22.4% 43 17.1% -40 -250.0% -632 -95.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 397 100.0% 251 100.0% 16 100.0% -664 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 219 55.2% 88 35.1% -24 -150.0% 32 4.8%
array_keys0 N/A% 31 7.8% 47 18.7% 64 400.0% 32 4.8%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 27 6.8% 30 12.0% 16 100.0% 16 2.4%
array_diff0 N/A% 22 5.5% 12 4.8% 0 0.0% 0 0.0%
drupal_static0 N/A% 14 3.5% 38 15.1% 0 0.0% -112 -16.9%
array_fill_keys0 N/A% -5 -1.3% -7 -2.8% 0 0.0% 0 0.0%