Diff Report
Run #519730b884300: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #51972fb0786ef: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519730b884300Run #51972fb0786efDiffDiff%
Number of Function Calls129 129 0 0.0%
Incl. Wall Time (microsec)93,401 93,629 228 0.2%
Incl. Wall Time (microsec) per call 724 726 2 0.2%
Excl. Wall Time (microsec)31,263 31,575 312 1.0%
Incl. CPU (microsecs)4,001 8,001 4,000 100.0%
Incl. CPU (microsecs) per call 31 62 31 100.0%
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% 228 27.0% 4,000 100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function312 136.8% 0 0.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 236 103.5% 4,000 100.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -8 -3.5% 0 0.0% 0 N/A% 0 N/A%
Child functions
drupal_static0 N/A% -70 -30.7% -4,001 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 39 17.1% 0 0.0% 0 N/A% 0 N/A%
array_keys0 N/A% -33 -14.5% 4,001 100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::query0 N/A% -29 -12.7% 4,000 100.0% 0 N/A% 0 N/A%
array_diff0 N/A% 10 4.4% 0 0.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -1 -0.4% 0 0.0% 0 N/A% 0 N/A%