Diff Report
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e43719571bf: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52e436ce9c71dRun #52e43719571bfDiffDiff%
Number of Function Calls95 95 0 0.0%
Incl. Wall Time (microsec)4,203 4,231 28 0.7%
Incl. Wall Time (microsec) per call 44 45 0 0.7%
Excl. Wall Time (microsec)1,190 1,233 43 3.6%
Incl. CPU (microsecs)3,248 3,262 14 0.4%
Incl. CPU (microsecs) per call 34 34 0 0.4%
Excl. CPU (microsec)994 1,022 28 2.8%
Incl. MemUse (bytes)68,816 68,816 0 0.0%
Incl. MemUse (bytes) per call 724 724 0 0.0%
Excl. MemUse (bytes)-140,416 -140,416 0 0.0%
Incl. PeakMemUse (bytes)131,536 131,536 0 0.0%
Incl. PeakMemUse (bytes) per call 1,385 1,385 0 0.0%
Excl. PeakMemUse (bytes)33,464 33,464 0 0.0%

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% 28 2.5% 14 1.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function43 153.6% 28 200.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 28 100.0% 14 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -9 -32.1% -11 -78.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -5 -17.9% -6 -42.9% 0 N/A% 0 N/A%
array_diff0 N/A% -1 -3.6% -13 -92.9% 0 N/A% 0 N/A%
drupal_static0 N/A% -1 -3.6% 5 35.7% 0 N/A% 0 N/A%
array_keys0 N/A% 1 3.6% 12 85.7% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% -1 -7.1% 0 N/A% 0 N/A%