Diff Report
Run #52c96d7c36f9e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96dcbc5e6a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52c96d7c36f9eRun #52c96dcbc5e6aDiffDiff%
Number of Function Calls85 85 0 0.0%
Incl. Wall Time (microsec)3,672 3,660 -12 -0.3%
Incl. Wall Time (microsec) per call 43 43 -0 -0.3%
Excl. Wall Time (microsec)957 938 -19 -2.0%
Incl. CPU (microsecs)2,776 2,785 9 0.3%
Incl. CPU (microsecs) per call 33 33 0 0.3%
Excl. CPU (microsec)775 765 -10 -1.3%
Incl. MemUse (bytes)64,808 64,832 24 0.0%
Incl. MemUse (bytes) per call 762 763 0 0.0%
Excl. MemUse (bytes)-134,904 -134,928 -24 -0.0%
Incl. PeakMemUse (bytes)97,760 97,880 120 0.1%
Incl. PeakMemUse (bytes) per call 1,150 1,152 1 0.1%
Excl. PeakMemUse (bytes)14,384 14,336 -48 -0.3%

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% -12 -1.6% 9 0.6% 24 0.0% 120 0.1%
Exclusive Metrics Diff for Current Function-19 -158.3% -10 -111.1% -24 -100.0% -48 -40.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -12 -100.0% 9 100.0% 24 100.0% 120 100.0%
Child functions
drupal_static0 N/A% 6 50.0% 7 77.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 3 25.0% 3 33.3% 16 66.7% 0 0.0%
Drupal\Core\Database\Connection::query0 N/A% -3 -25.0% -1 -11.1% 0 0.0% 264 220.0%
array_fill_keys0 N/A% 2 16.7% -2 -22.2% 0 0.0% 0 0.0%
array_keys0 N/A% -1 -8.3% 5 55.6% 24 100.0% -104 -86.7%
array_diff0 N/A% 0 0.0% 7 77.8% 8 33.3% 8 6.7%