Diff Report
Run #5196ef15c751e: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5196effcededb: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5196ef15c751eRun #5196effcededbDiffDiff%
Number of Function Calls129 129 0 0.0%
Incl. Wall Time (microsec)31,584 19,470 -12,114 -38.4%
Incl. Wall Time (microsec) per call 245 151 -94 -38.4%
Excl. Wall Time (microsec)10,659 6,649 -4,010 -37.6%
Incl. CPU (microsecs)8,000 4,000 -4,000 -50.0%
Incl. CPU (microsecs) per call 62 31 -31 -50.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)125,600 125,600 0 0.0%
Incl. MemUse (bytes) per call 974 974 0 0.0%
Excl. MemUse (bytes)-102,936 -102,936 0 0.0%
Incl. PeakMemUse (bytes)94,144 94,144 0 0.0%
Incl. PeakMemUse (bytes) per call 730 730 0 0.0%
Excl. PeakMemUse (bytes)21,376 21,376 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% -12,114 -1.0% -4,000 -100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4,010 -33.1% 0 0.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -11,160 -92.1% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -954 -7.9% -4,000 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -3,712 -30.6% 0 0.0% 0 N/A% 0 N/A%
drupal_static0 N/A% -1,385 -11.4% 4,000 100.0% 0 N/A% 0 N/A%
array_diff0 N/A% -1,268 -10.5% -4,000 -100.0% 0 N/A% 0 N/A%
array_keys0 N/A% -1,083 -8.9% -4,000 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -590 -4.9% 0 0.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -66 -0.5% 0 0.0% 0 N/A% 0 N/A%