Diff Report
Run #52e6fc5cc809e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e6fcee66138: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52e6fc5cc809eRun #52e6fcee66138DiffDiff%
Number of Function Calls91 91 0 0.0%
Incl. Wall Time (microsec)4,891 5,116 225 4.6%
Incl. Wall Time (microsec) per call 54 56 2 4.6%
Excl. Wall Time (microsec)1,582 1,624 42 2.7%
Incl. CPU (microsecs)4,556 4,773 217 4.8%
Incl. CPU (microsecs) per call 50 52 2 4.8%
Excl. CPU (microsec)1,324 1,355 31 2.3%
Incl. MemUse (bytes)68,304 68,304 0 0.0%
Incl. MemUse (bytes) per call 751 751 0 0.0%
Excl. MemUse (bytes)-138,952 -138,928 24 0.0%
Incl. PeakMemUse (bytes)115,368 117,816 2,448 2.1%
Incl. PeakMemUse (bytes) per call 1,268 1,295 27 2.1%
Excl. PeakMemUse (bytes)21,768 22,432 664 3.1%

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% 225 8.8% 217 8.3% 0 0.0% 2,448 2.7%
Exclusive Metrics Diff for Current Function42 18.7% 31 14.3% 24 N/A% 664 27.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 225 100.0% 217 100.0% 0 N/A% 2,448 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 167 74.2% 148 68.2% 0 N/A% -72 -2.9%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 33 14.7% 30 13.8% 0 N/A% 0 0.0%
drupal_static0 N/A% -10 -4.4% 4 1.8% 0 N/A% 72 2.9%
array_keys0 N/A% -8 -3.6% -2 -0.9% -24 N/A% 1,400 57.2%
array_fill_keys0 N/A% 4 1.8% 4 1.8% 0 N/A% 0 0.0%
array_diff0 N/A% -3 -1.3% 2 0.9% 0 N/A% 384 15.7%