Diff Report
Run #517896dc57c6e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5178989df1d0f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #517896dc57c6eRun #5178989df1d0fDiffDiff%
Number of Function Calls134 134 0 0.0%
Incl. Wall Time (microsec)6,077 6,159 82 1.3%
Incl. Wall Time (microsec) per call 45 46 1 1.3%
Excl. Wall Time (microsec)1,735 1,791 56 3.2%
Incl. CPU (microsecs)4,498 4,583 85 1.9%
Incl. CPU (microsecs) per call 34 34 1 1.9%
Excl. CPU (microsec)1,468 1,491 23 1.6%
Incl. MemUse (bytes)86,168 86,184 16 0.0%
Incl. MemUse (bytes) per call 643 643 0 0.0%
Excl. MemUse (bytes)-166,112 -166,144 -32 -0.0%
Incl. PeakMemUse (bytes)90,808 90,920 112 0.1%
Incl. PeakMemUse (bytes) per call 678 679 1 0.1%
Excl. PeakMemUse (bytes)16,768 16,768 0 0.0%

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% 82 2.0% 85 1.7% 16 0.3% 112 1.9%
Exclusive Metrics Diff for Current Function56 68.3% 23 27.1% -32 -200.0% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 79 96.3% 77 90.6% 16 100.0% 112 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 3 3.7% 8 9.4% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 18 22.0% 25 29.4% 0 0.0% 64 57.1%
drupal_static0 N/A% 8 9.8% 21 24.7% 0 0.0% 0 0.0%
array_diff0 N/A% -8 -9.8% 12 14.1% 0 0.0% 0 0.0%
array_keys0 N/A% 5 6.1% 0 0.0% 48 300.0% 48 42.9%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 3 3.7% 6 7.1% 0 0.0% 0 0.0%
array_fill_keys0 N/A% 0 0.0% -2 -2.4% 0 0.0% 0 0.0%