Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4d6ecb28c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519d4cd4e396dRun #519d4d6ecb28cDiffDiff%
Number of Function Calls111 111 0 0.0%
Incl. Wall Time (microsec)7,965 8,472 507 6.4%
Incl. Wall Time (microsec) per call 72 76 5 6.4%
Excl. Wall Time (microsec)2,295 2,327 32 1.4%
Incl. CPU (microsecs)5,746 5,849 103 1.8%
Incl. CPU (microsecs) per call 52 53 1 1.8%
Excl. CPU (microsec)2,013 2,034 21 1.0%
Incl. MemUse (bytes)44,008 44,008 0 0.0%
Incl. MemUse (bytes) per call 396 396 0 0.0%
Excl. MemUse (bytes)-51,664 -51,664 0 0.0%
Incl. PeakMemUse (bytes)39,864 39,864 0 0.0%
Incl. PeakMemUse (bytes) per call 359 359 0 0.0%
Excl. PeakMemUse (bytes)10,672 10,672 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% 507 67.1% 103 32.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function32 6.3% 21 20.4% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 451 89.0% 81 78.6% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 55 10.8% 20 19.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 1 0.2% 2 1.9% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 451 89.0% 55 53.4% 0 N/A% 0 N/A%
drupal_static0 N/A% 24 4.7% 23 22.3% 0 N/A% 0 N/A%
array_keys0 N/A% 9 1.8% 11 10.7% 0 N/A% 0 N/A%
array_diff0 N/A% -6 -1.2% 5 4.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -2 -0.4% -5 -4.9% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -1 -0.2% -7 -6.8% 0 N/A% 0 N/A%