Diff Report
Run #51a287416d8a8: XHProf Run (Namespace=drupal-perf-trevorbradley)
vs.
Run #51a28832b7403: XHProf Run (Namespace=drupal-perf-trevorbradley)
Tip
Click a function name below to drill down.

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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51a287416d8a8Run #51a28832b7403DiffDiff%
Number of Function Calls80 80 0 0.0%
Incl. Wall Time (microsec)3,979 4,280 301 7.6%
Incl. Wall Time (microsec) per call 50 54 4 7.6%
Excl. Wall Time (microsec)1,189 1,162 -27 -2.3%
Incl. CPU (microsecs)8,000 4,000 -4,000 -50.0%
Incl. CPU (microsecs) per call 100 50 -50 -50.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)61,504 61,520 16 0.0%
Incl. MemUse (bytes) per call 769 769 0 0.0%
Excl. MemUse (bytes)-79,400 -79,464 -64 -0.1%
Incl. PeakMemUse (bytes)43,616 44,680 1,064 2.4%
Incl. PeakMemUse (bytes) per call 545 559 13 2.4%
Excl. PeakMemUse (bytes)8,304 8,400 96 1.2%

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% 301 8.5% -4,000 -100.0% 16 0.0% 1,064 0.2%
Exclusive Metrics Diff for Current Function-27 -9.0% 0 0.0% -64 -400.0% 96 9.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 284 94.4% -4,000 -100.0% 16 100.0% 1,064 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 17 5.6% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 325 108.0% 4,000 100.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 10 3.3% 0 0.0% 16 100.0% 0 0.0%
array_keys0 N/A% -8 -2.7% -4,000 -100.0% 64 400.0% 808 75.9%
drupal_static0 N/A% 5 1.7% -4,000 -100.0% 0 0.0% 0 0.0%
array_fill_keys0 N/A% -2 -0.7% 0 0.0% 0 0.0% 0 0.0%
array_diff0 N/A% -2 -0.7% 0 0.0% 0 0.0% 160 15.0%