Diff Report
Run #519eadc55e057: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ead70538d1: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519eadc55e057Run #519ead70538d1DiffDiff%
Number of Function Calls119 119 0 0.0%
Incl. Wall Time (microsec)8,306 8,018 -288 -3.5%
Incl. Wall Time (microsec) per call 70 67 -2 -3.5%
Excl. Wall Time (microsec)2,351 2,339 -12 -0.5%
Incl. CPU (microsecs)5,886 5,888 2 0.0%
Incl. CPU (microsecs) per call 49 49 0 0.0%
Excl. CPU (microsec)2,061 2,076 15 0.7%
Incl. MemUse (bytes)45,832 45,832 0 0.0%
Incl. MemUse (bytes) per call 385 385 0 0.0%
Excl. MemUse (bytes)-56,080 -56,080 0 0.0%
Incl. PeakMemUse (bytes)40,536 40,536 0 0.0%
Incl. PeakMemUse (bytes) per call 341 341 0 0.0%
Excl. PeakMemUse (bytes)11,064 11,064 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% -288 -21.9% 2 0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-12 -4.2% 15 750.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -278 -96.5% 11 550.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -10 -3.5% -9 -450.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -257 -89.2% 27 1350.0% 0 N/A% 0 N/A%
array_keys0 N/A% -11 -3.8% -13 -650.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -4 -1.4% -7 -350.0% 0 N/A% 0 N/A%
drupal_static0 N/A% -3 -1.0% -33 -1650.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -3 -1.0% -2 -100.0% 0 N/A% 0 N/A%
array_diff0 N/A% 2 0.7% 15 750.0% 0 N/A% 0 N/A%