Diff Report
Run #51774d289642f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51774c26bf054: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51774d289642fRun #51774c26bf054DiffDiff%
Number of Function Calls135 135 0 0.0%
Incl. Wall Time (microsec)6,292 6,342 50 0.8%
Incl. Wall Time (microsec) per call 47 47 0 0.8%
Excl. Wall Time (microsec)1,792 1,772 -20 -1.1%
Incl. CPU (microsecs)4,467 4,538 71 1.6%
Incl. CPU (microsecs) per call 33 34 1 1.6%
Excl. CPU (microsec)1,525 1,461 -64 -4.2%
Incl. MemUse (bytes)86,640 86,640 0 0.0%
Incl. MemUse (bytes) per call 642 642 0 0.0%
Excl. MemUse (bytes)-166,816 -166,800 16 0.0%
Incl. PeakMemUse (bytes)91,632 91,672 40 0.0%
Incl. PeakMemUse (bytes) per call 679 679 0 0.0%
Excl. PeakMemUse (bytes)20,080 20,120 40 0.2%

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% 50 0.1% 71 0.2% 0 0.0% 40 0.2%
Exclusive Metrics Diff for Current Function-20 -40.0% -64 -90.1% 16 N/A% 40 100.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 62 124.0% 84 118.3% 0 N/A% 40 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -12 -24.0% -13 -18.3% 0 N/A% 0 0.0%
Child functions
array_keys0 N/A% 64 128.0% 80 112.7% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 23 46.0% 22 31.0% 0 N/A% 0 0.0%
array_diff0 N/A% -10 -20.0% 4 5.6% 0 N/A% 0 0.0%
drupal_static0 N/A% -10 -20.0% 9 12.7% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::query0 N/A% 3 6.0% 19 26.8% -16 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 1 1.4% 0 N/A% 0 0.0%