Diff Report
Run #52e6fc5cc809e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e6fca507bc1: 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 #52e6fca507bc1DiffDiff%
Number of Function Calls91 91 0 0.0%
Incl. Wall Time (microsec)4,891 5,063 172 3.5%
Incl. Wall Time (microsec) per call 54 56 2 3.5%
Excl. Wall Time (microsec)1,582 1,611 29 1.8%
Incl. CPU (microsecs)4,556 4,730 174 3.8%
Incl. CPU (microsecs) per call 50 52 2 3.8%
Excl. CPU (microsec)1,324 1,361 37 2.8%
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 -138,952 0 0.0%
Incl. PeakMemUse (bytes)115,368 115,368 0 0.0%
Incl. PeakMemUse (bytes) per call 1,268 1,268 0 0.0%
Excl. PeakMemUse (bytes)21,768 21,768 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% 172 39.5% 174 232.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function29 16.9% 37 21.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 172 100.0% 174 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 122 70.9% 116 66.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 16 9.3% 13 7.5% 0 N/A% 0 N/A%
drupal_static0 N/A% 9 5.2% 8 4.6% 0 N/A% 0 N/A%
array_diff0 N/A% -4 -2.3% 5 2.9% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 2 1.2% 3 1.7% 0 N/A% 0 N/A%
array_keys0 N/A% -2 -1.2% -8 -4.6% 0 N/A% 0 N/A%