Diff Report
Run #52c8629919553: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c862ea26981: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52c8629919553Run #52c862ea26981DiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)3,883 3,890 7 0.2%
Incl. Wall Time (microsec) per call 44 44 0 0.2%
Excl. Wall Time (microsec)967 996 29 3.0%
Incl. CPU (microsecs)2,889 2,936 47 1.6%
Incl. CPU (microsecs) per call 33 33 1 1.6%
Excl. CPU (microsec)788 783 -5 -0.6%
Incl. MemUse (bytes)66,952 66,952 0 0.0%
Incl. MemUse (bytes) per call 761 761 0 0.0%
Excl. MemUse (bytes)-118,696 -118,736 -40 -0.0%
Incl. PeakMemUse (bytes)94,904 93,048 -1,856 -2.0%
Incl. PeakMemUse (bytes) per call 1,078 1,057 -21 -2.0%
Excl. PeakMemUse (bytes)14,328 13,640 -688 -4.8%

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% 7 10.9% 47 26.4% 0 0.0% -1,856 -7.2%
Exclusive Metrics Diff for Current Function29 414.3% -5 -10.6% -40 N/A% -688 -37.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 7 100.0% 47 100.0% 0 N/A% -1,856 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -50 -714.3% -27 -57.4% 24 N/A% 352 19.0%
array_keys0 N/A% 33 471.4% 37 78.7% 16 N/A% -1,240 -66.8%
array_diff0 N/A% -7 -100.0% 9 19.1% 0 N/A% -232 -12.5%
drupal_static0 N/A% 3 42.9% 0 0.0% 0 N/A% -48 -2.6%
array_fill_keys0 N/A% -1 -14.3% 1 2.1% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 0 0.0% 32 68.1% 0 N/A% 0 0.0%