Diff Report
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5392041970f3fRun #539201f8938f4DiffDiff%
Number of Function Calls52 52 0 0.0%
Incl. Wall Time (microsec)10,570 10,248 -322 -3.0%
Incl. Wall Time (microsec) per call 203 197 -6 -3.0%
Excl. Wall Time (microsec)1,491 1,544 53 3.6%
Incl. CPU (microsecs)6,364 6,352 -12 -0.2%
Incl. CPU (microsecs) per call 122 122 -0 -0.2%
Excl. CPU (microsec)1,265 1,293 28 2.2%
Incl. MemUse (bytes)29,936 29,936 0 0.0%
Incl. MemUse (bytes) per call 576 576 0 0.0%
Excl. MemUse (bytes)-71,280 -71,280 0 0.0%
Incl. PeakMemUse (bytes)61,496 62,092 596 1.0%
Incl. PeakMemUse (bytes) per call 1,183 1,194 11 1.0%
Excl. PeakMemUse (bytes)10,736 11,164 428 4.0%

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% -322 -22.0% -12 -0.4% 0 0.0% 596 1.0%
Exclusive Metrics Diff for Current Function53 16.5% 28 233.3% 0 N/A% 428 71.8%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -322 -100.0% -12 -100.0% 0 N/A% 596 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -367 -114.0% -54 -450.0% 0 N/A% -56 -9.4%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -12 -3.7% -7 -58.3% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 8 2.5% 11 91.7% 0 N/A% 0 0.0%
drupal_static0 N/A% -7 -2.2% -9 -75.0% 0 N/A% 0 0.0%
array_keys0 N/A% 6 1.9% 20 166.7% 0 N/A% 168 28.2%
array_diff0 N/A% -3 -0.9% -1 -8.3% 0 N/A% 56 9.4%