Diff Report
Run #53920bd97d62d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #53920bd97d62dRun #53920b950c201DiffDiff%
Number of Function Calls44 44 0 0.0%
Incl. Wall Time (microsec)10,393 10,213 -180 -1.7%
Incl. Wall Time (microsec) per call 236 232 -4 -1.7%
Excl. Wall Time (microsec)1,384 1,439 55 4.0%
Incl. CPU (microsecs)6,123 5,984 -139 -2.3%
Incl. CPU (microsecs) per call 139 136 -3 -2.3%
Excl. CPU (microsec)1,196 1,192 -4 -0.3%
Incl. MemUse (bytes)27,688 27,688 0 0.0%
Incl. MemUse (bytes) per call 629 629 0 0.0%
Excl. MemUse (bytes)-73,844 -73,844 0 0.0%
Incl. PeakMemUse (bytes)65,124 65,124 0 0.0%
Incl. PeakMemUse (bytes) per call 1,480 1,480 0 0.0%
Excl. PeakMemUse (bytes)11,632 11,632 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% -180 -39.5% -139 -31.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function55 30.6% -4 -2.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -180 -100.0% -139 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -253 -140.6% -205 -147.5% 0 N/A% 0 N/A%
array_diff0 N/A% 14 7.8% 27 19.4% 0 N/A% 0 N/A%
array_keys0 N/A% 4 2.2% 30 21.6% 0 N/A% 0 N/A%
drupal_static0 N/A% -2 -1.1% 6 4.3% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 1 0.6% 5 3.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 1 0.6% 2 1.4% 0 N/A% 0 N/A%