Diff Report
Run #53920c043e98b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #53920c043e98bRun #53920b950c201DiffDiff%
Number of Function Calls44 44 0 0.0%
Incl. Wall Time (microsec)10,558 10,213 -345 -3.3%
Incl. Wall Time (microsec) per call 240 232 -8 -3.3%
Excl. Wall Time (microsec)1,382 1,439 57 4.1%
Incl. CPU (microsecs)6,106 5,984 -122 -2.0%
Incl. CPU (microsecs) per call 139 136 -3 -2.0%
Excl. CPU (microsec)1,175 1,192 17 1.4%
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)65,240 65,124 -116 -0.2%
Incl. PeakMemUse (bytes) per call 1,483 1,480 -3 -0.2%
Excl. PeakMemUse (bytes)11,716 11,632 -84 -0.7%

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% -345 -96.4% -122 -65.2% 0 0.0% -116 -1.1%
Exclusive Metrics Diff for Current Function57 16.5% 17 13.9% 0 N/A% -84 -72.4%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -345 -100.0% -122 -100.0% 0 N/A% -116 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -403 -116.8% -163 -133.6% 0 N/A% 0 0.0%
array_keys0 N/A% -24 -7.0% -23 -18.9% 0 N/A% -32 -27.6%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 12 3.5% 17 13.9% 0 N/A% 0 0.0%
array_diff0 N/A% 9 2.6% 10 8.2% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 3 0.9% 5 4.1% 0 N/A% 0 0.0%
drupal_static0 N/A% 1 0.3% 15 12.3% 0 N/A% 0 0.0%