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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #53920b950c201Run #53920bd97d62dDiffDiff%
Number of Function Calls44 44 0 0.0%
Incl. Wall Time (microsec)10,213 10,393 180 1.8%
Incl. Wall Time (microsec) per call 232 236 4 1.8%
Excl. Wall Time (microsec)1,439 1,384 -55 -3.8%
Incl. CPU (microsecs)5,984 6,123 139 2.3%
Incl. CPU (microsecs) per call 136 139 3 2.3%
Excl. CPU (microsec)1,192 1,196 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 Function-55 -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%