Diff Report
Run #52f5c574bebaf: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c520502f0: 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 #52f5c574bebafRun #52f5c520502f0DiffDiff%
Number of Function Calls69 69 0 0.0%
Incl. Wall Time (microsec)2,522 2,554 32 1.3%
Incl. Wall Time (microsec) per call 37 37 0 1.3%
Excl. Wall Time (microsec)716 706 -10 -1.4%
Incl. CPU (microsecs)1,969 2,008 39 2.0%
Incl. CPU (microsecs) per call 29 29 1 2.0%
Excl. CPU (microsec)592 567 -25 -4.2%
Incl. MemUse (bytes)55,000 55,000 0 0.0%
Incl. MemUse (bytes) per call 797 797 0 0.0%
Excl. MemUse (bytes)-60,272 -60,256 16 0.0%
Incl. PeakMemUse (bytes)81,432 81,176 -256 -0.3%
Incl. PeakMemUse (bytes) per call 1,180 1,176 -4 -0.3%
Excl. PeakMemUse (bytes)17,584 17,568 -16 -0.1%

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% 32 139.1% 39 42.4% 0 0.0% -256 -0.6%
Exclusive Metrics Diff for Current Function-10 -31.2% -25 -64.1% 16 N/A% -16 -6.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 32 100.0% 39 100.0% 0 N/A% -256 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 23 71.9% 31 79.5% -8 N/A% -344 -134.4%
array_keys0 N/A% 7 21.9% 9 23.1% -8 N/A% 72 28.1%
array_diff0 N/A% 6 18.8% 14 35.9% 0 N/A% 32 12.5%
drupal_static0 N/A% 3 9.4% 4 10.3% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 3 9.4% 5 12.8% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 0 0.0% 1 2.6% 0 N/A% 0 0.0%