Diff Report
Run #52f5c0b2e882a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c11235c73: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52f5c0b2e882aRun #52f5c11235c73DiffDiff%
Number of Function Calls61 61 0 0.0%
Incl. Wall Time (microsec)2,460 2,476 16 0.7%
Incl. Wall Time (microsec) per call 40 41 0 0.7%
Excl. Wall Time (microsec)667 688 21 3.1%
Incl. CPU (microsecs)1,882 1,911 29 1.5%
Incl. CPU (microsecs) per call 31 31 0 1.5%
Excl. CPU (microsec)528 550 22 4.2%
Incl. MemUse (bytes)50,840 50,840 0 0.0%
Incl. MemUse (bytes) per call 833 833 0 0.0%
Excl. MemUse (bytes)-59,600 -59,624 -24 -0.0%
Incl. PeakMemUse (bytes)80,560 80,592 32 0.0%
Incl. PeakMemUse (bytes) per call 1,321 1,321 1 0.0%
Excl. PeakMemUse (bytes)17,128 17,168 40 0.2%

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% 16 3.8% 29 12.2% 0 0.0% 32 0.1%
Exclusive Metrics Diff for Current Function21 131.2% 22 75.9% -24 N/A% 40 125.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 16 100.0% 29 100.0% 0 N/A% 32 100.0%
Child functions
array_keys0 N/A% -7 -43.8% -9 -31.0% 16 N/A% 8 25.0%
Drupal\Core\Database\Connection::query0 N/A% -7 -43.8% -10 -34.5% 8 N/A% 24 75.0%
array_diff0 N/A% 5 31.2% 17 58.6% 0 N/A% -32 -100.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 4 25.0% 3 10.3% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 1 3.4% 0 N/A% 0 0.0%
drupal_static0 N/A% 0 0.0% 5 17.2% 0 N/A% -8 -25.0%