Diff Report
Run #51972fb0786ef: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5197310fa6a63: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51972fb0786efRun #5197310fa6a63DiffDiff%
Number of Function Calls129 129 0 0.0%
Incl. Wall Time (microsec)93,629 94,440 811 0.9%
Incl. Wall Time (microsec) per call 726 732 6 0.9%
Excl. Wall Time (microsec)31,575 31,419 -156 -0.5%
Incl. CPU (microsecs)8,001 16,001 8,000 100.0%
Incl. CPU (microsecs) per call 62 124 62 100.0%
Excl. CPU (microsec)0 8,000 8,000 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% 811 0.3% 8,000 33.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-156 -19.2% 8,000 100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 768 94.7% 8,000 100.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 43 5.3% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 544 67.1% 1 0.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 426 52.5% 0 0.0% 0 N/A% 0 N/A%
array_diff0 N/A% 55 6.8% 4,000 50.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -47 -5.8% 0 0.0% 0 N/A% 0 N/A%
array_keys0 N/A% -6 -0.7% -4,001 -50.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -5 -0.6% 0 0.0% 0 N/A% 0 N/A%