Diff Report
Run #519ff028be5c1: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519fedcae68c3: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519ff028be5c1Run #519fedcae68c3DiffDiff%
Number of Function Calls78 78 0 0.0%
Incl. Wall Time (microsec)6,416 7,600 1,184 18.5%
Incl. Wall Time (microsec) per call 82 97 15 18.5%
Excl. Wall Time (microsec)1,396 1,460 64 4.6%
Incl. CPU (microsecs)3,866 4,272 406 10.5%
Incl. CPU (microsecs) per call 50 55 5 10.5%
Excl. CPU (microsec)1,152 1,197 45 3.9%
Incl. MemUse (bytes)56,368 56,368 0 0.0%
Incl. MemUse (bytes) per call 723 723 0 0.0%
Excl. MemUse (bytes)-81,816 -81,816 0 0.0%
Incl. PeakMemUse (bytes)49,728 49,728 0 0.0%
Incl. PeakMemUse (bytes) per call 638 638 0 0.0%
Excl. PeakMemUse (bytes)8,800 8,800 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% 1,184 61.8% 406 11.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function64 5.4% 45 11.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 1,177 99.4% 354 87.2% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 7 0.6% 52 12.8% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 954 80.6% 184 45.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 112 9.5% 115 28.3% 0 N/A% 0 N/A%
drupal_static0 N/A% 29 2.4% 34 8.4% 0 N/A% 0 N/A%
array_keys0 N/A% 14 1.2% 14 3.4% 0 N/A% 0 N/A%
array_diff0 N/A% 12 1.0% 13 3.2% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -1 -0.1% 1 0.2% 0 N/A% 0 N/A%