Diff Report
Run #519f012418c24: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519f02278cd90: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519f012418c24Run #519f02278cd90DiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)6,554 6,579 25 0.4%
Incl. Wall Time (microsec) per call 52 53 0 0.4%
Excl. Wall Time (microsec)1,832 1,842 10 0.5%
Incl. CPU (microsecs)4,568 4,511 -57 -1.2%
Incl. CPU (microsecs) per call 37 36 -0 -1.2%
Excl. CPU (microsec)1,531 1,572 41 2.7%
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 -111,272 24 0.0%
Incl. PeakMemUse (bytes)63,200 63,088 -112 -0.2%
Incl. PeakMemUse (bytes) per call 506 505 -1 -0.2%
Excl. PeakMemUse (bytes)10,408 10,256 -152 -1.5%

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% 25 1.0% -57 -1.8% 8 0.1% -112 -0.6%
Exclusive Metrics Diff for Current Function10 40.0% 41 71.9% 24 300.0% -152 -135.7%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 23 92.0% -57 -100.0% 0 0.0% -112 -100.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 2 8.0% 0 0.0% 8 100.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 64 256.0% -18 -31.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -28 -112.0% -28 -49.1% 0 0.0% 0 0.0%
drupal_static0 N/A% -20 -80.0% -27 -47.4% 0 0.0% 0 0.0%
array_keys0 N/A% -17 -68.0% -33 -57.9% -16 -200.0% 40 35.7%
array_diff0 N/A% 16 64.0% 13 22.8% 0 0.0% 0 0.0%
array_fill_keys0 N/A% 0 0.0% -5 -8.8% 0 0.0% 0 0.0%