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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #523f26a22745bRun #523f27f8820baDiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)9,608 9,211 -397 -4.1%
Incl. Wall Time (microsec) per call 66 63 -3 -4.1%
Excl. Wall Time (microsec)2,574 2,485 -89 -3.5%
Incl. CPU (microsecs)6,560 6,309 -251 -3.8%
Incl. CPU (microsecs) per call 45 43 -2 -3.8%
Excl. CPU (microsec)2,094 2,051 -43 -2.1%
Incl. MemUse (bytes)102,512 102,496 -16 -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)128,448 129,112 664 0.5%
Incl. PeakMemUse (bytes) per call 880 884 5 0.5%
Excl. PeakMemUse (bytes)31,288 31,920 632 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 Function-89 -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%