Diff Report
Run #519af7f3cd409: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519af8e64a59b: XHProf Run (Namespace=drupal-perf-mrbaileys)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519af7f3cd409Run #519af8e64a59bDiffDiff%
Number of Function Calls75 75 0 0.0%
Incl. Wall Time (microsec)3,858 3,728 -130 -3.4%
Incl. Wall Time (microsec) per call 51 50 -2 -3.4%
Excl. Wall Time (microsec)1,212 1,195 -17 -1.4%
Incl. CPU (microsecs)4,001 0 -4,001 -100.0%
Incl. CPU (microsecs) per call 53 0 -53 -100.0%
Excl. CPU (microsec)4,001 0 -4,001 -100.0%
Incl. MemUse (bytes)55,344 55,344 0 0.0%
Incl. MemUse (bytes) per call 738 738 0 0.0%
Excl. MemUse (bytes)-53,824 -53,824 0 0.0%
Incl. PeakMemUse (bytes)54,208 54,520 312 0.6%
Incl. PeakMemUse (bytes) per call 723 727 4 0.6%
Excl. PeakMemUse (bytes)9,792 10,000 208 2.1%

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% -130 -9.1% -4,001 N/A% 0 0.0% 312 1.4%
Exclusive Metrics Diff for Current Function-17 -13.1% -4,001 -100.0% 0 N/A% 208 66.7%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -130 -100.0% -4,001 -100.0% 0 N/A% 312 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -110 -84.6% 0 0.0% 0 N/A% -40 -12.8%
array_keys0 N/A% 5 3.8% 0 0.0% 0 N/A% 136 43.6%
drupal_static0 N/A% -4 -3.1% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -3 -2.3% 0 0.0% 0 N/A% 32 10.3%
array_diff0 N/A% -1 -0.8% 0 0.0% 0 N/A% -24 -7.7%
array_fill_keys0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%