Diff Report
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a9459592df6: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51a944519b58cRun #51a9459592df6DiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)6,316 6,114 -202 -3.2%
Incl. Wall Time (microsec) per call 51 49 -2 -3.2%
Excl. Wall Time (microsec)1,784 1,762 -22 -1.2%
Incl. CPU (microsecs)4,514 4,397 -117 -2.6%
Incl. CPU (microsecs) per call 36 35 -1 -2.6%
Excl. CPU (microsec)1,439 1,420 -19 -1.3%
Incl. MemUse (bytes)85,864 85,880 16 0.0%
Incl. MemUse (bytes) per call 687 687 0 0.0%
Excl. MemUse (bytes)-135,968 -136,032 -64 -0.0%
Incl. PeakMemUse (bytes)84,160 84,472 312 0.4%
Incl. PeakMemUse (bytes) per call 673 676 2 0.4%
Excl. PeakMemUse (bytes)23,256 23,520 264 1.1%

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% -202 -1.9% -117 -1.1% 16 0.0% 312 0.2%
Exclusive Metrics Diff for Current Function-22 -10.9% -19 -16.2% -64 -400.0% 264 84.6%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -195 -96.5% -112 -95.7% 16 100.0% 312 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -7 -3.5% -5 -4.3% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -95 -47.0% -5 -4.3% 0 0.0% 64 20.5%
array_keys0 N/A% -39 -19.3% -31 -26.5% 72 450.0% 0 0.0%
drupal_static0 N/A% -27 -13.4% -21 -17.9% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -13 -6.4% -14 -12.0% 8 50.0% 8 2.6%
array_diff0 N/A% -5 -2.5% -26 -22.2% 0 0.0% -24 -7.7%
array_fill_keys0 N/A% -1 -0.5% -1 -0.9% 0 0.0% 0 0.0%