Diff Report
Run #542229efabc5e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5422297e7f32f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #542229efabc5eRun #5422297e7f32fDiffDiff%
Number of Function Calls111 111 0 0.0%
Incl. Wall Time (microsec)5,306 5,414 108 2.0%
Incl. Wall Time (microsec) per call 48 49 1 2.0%
Excl. Wall Time (microsec)1,618 1,643 25 1.5%
Incl. CPU (microsecs)4,386 4,441 55 1.3%
Incl. CPU (microsecs) per call 40 40 0 1.3%
Excl. CPU (microsec)1,378 1,364 -14 -1.0%
Incl. MemUse (bytes)82,032 82,032 0 0.0%
Incl. MemUse (bytes) per call 739 739 0 0.0%
Excl. MemUse (bytes)-170,848 -170,848 0 0.0%
Incl. PeakMemUse (bytes)142,872 142,872 0 0.0%
Incl. PeakMemUse (bytes) per call 1,287 1,287 0 0.0%
Excl. PeakMemUse (bytes)51,704 51,704 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% 108 22.3% 55 14.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function25 23.1% -14 -25.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 108 100.0% 55 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 55 50.9% 23 41.8% 0 N/A% 0 N/A%
array_keys0 N/A% 23 21.3% 32 58.2% 0 N/A% 0 N/A%
array_diff0 N/A% 10 9.3% 4 7.3% 0 N/A% 0 N/A%
drupal_static0 N/A% -10 -9.3% 5 9.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 6 5.6% 8 14.5% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -1 -0.9% -3 -5.5% 0 N/A% 0 N/A%