Diff Report
Run #519de1c349c58: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519de26535836: 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 #519de1c349c58Run #519de26535836DiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)6,537 6,455 -82 -1.3%
Incl. Wall Time (microsec) per call 52 52 -1 -1.3%
Excl. Wall Time (microsec)1,816 1,788 -28 -1.5%
Incl. CPU (microsecs)4,462 4,422 -40 -0.9%
Incl. CPU (microsecs) per call 36 35 -0 -0.9%
Excl. CPU (microsec)1,497 1,455 -42 -2.8%
Incl. MemUse (bytes)82,552 82,560 8 0.0%
Incl. MemUse (bytes) per call 660 660 0 0.0%
Excl. MemUse (bytes)-111,296 -111,288 8 0.0%
Incl. PeakMemUse (bytes)63,200 63,096 -104 -0.2%
Incl. PeakMemUse (bytes) per call 506 505 -1 -0.2%
Excl. PeakMemUse (bytes)10,408 10,304 -104 -1.0%

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% -82 -0.2% -40 -0.1% 8 0.0% -104 -0.2%
Exclusive Metrics Diff for Current Function-28 -34.1% -42 -105.0% 8 100.0% -104 -100.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -74 -90.2% -34 -85.0% 0 0.0% -104 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -8 -9.8% -7 -17.5% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 0 0.0% 1 2.5% 8 100.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -30 -36.6% 30 75.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -25 -30.5% -20 -50.0% 0 0.0% 0 0.0%
drupal_static0 N/A% -9 -11.0% -1 -2.5% 0 0.0% 0 0.0%
array_fill_keys0 N/A% 8 9.8% 8 20.0% 0 0.0% 0 0.0%
array_diff0 N/A% 4 4.9% 4 10.0% 0 0.0% 0 0.0%
array_keys0 N/A% -2 -2.4% -19 -47.5% 0 0.0% 0 0.0%