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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52c96dcbc5e6aRun #52c96d7c36f9eDiffDiff%
Number of Function Calls85 85 0 0.0%
Incl. Wall Time (microsec)3,660 3,672 12 0.3%
Incl. Wall Time (microsec) per call 43 43 0 0.3%
Excl. Wall Time (microsec)938 957 19 2.0%
Incl. CPU (microsecs)2,785 2,776 -9 -0.3%
Incl. CPU (microsecs) per call 33 33 -0 -0.3%
Excl. CPU (microsec)765 775 10 1.3%
Incl. MemUse (bytes)64,832 64,808 -24 -0.0%
Incl. MemUse (bytes) per call 763 762 -0 -0.0%
Excl. MemUse (bytes)-134,928 -134,904 24 0.0%
Incl. PeakMemUse (bytes)97,880 97,760 -120 -0.1%
Incl. PeakMemUse (bytes) per call 1,152 1,150 -1 -0.1%
Excl. PeakMemUse (bytes)14,336 14,384 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 Function19 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%