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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52e6fcee66138Run #52e6fc5cc809eDiffDiff%
Number of Function Calls91 91 0 0.0%
Incl. Wall Time (microsec)5,116 4,891 -225 -4.4%
Incl. Wall Time (microsec) per call 56 54 -2 -4.4%
Excl. Wall Time (microsec)1,624 1,582 -42 -2.6%
Incl. CPU (microsecs)4,773 4,556 -217 -4.5%
Incl. CPU (microsecs) per call 52 50 -2 -4.5%
Excl. CPU (microsec)1,355 1,324 -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)-138,928 -138,952 -24 -0.0%
Incl. PeakMemUse (bytes)117,816 115,368 -2,448 -2.1%
Incl. PeakMemUse (bytes) per call 1,295 1,268 -27 -2.1%
Excl. PeakMemUse (bytes)22,432 21,768 -664 -3.0%

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% -225 -8.8% -217 -8.3% 0 0.0% -2,448 -2.7%
Exclusive Metrics Diff for Current Function-42 -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%