Diff Report
Run #519fe6587b366: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe7e2d7c63: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519fe6587b366Run #519fe7e2d7c63DiffDiff%
Number of Function Calls60 60 0 0.0%
Incl. Wall Time (microsec)2,383 2,611 228 9.6%
Incl. Wall Time (microsec) per call 40 44 4 9.6%
Excl. Wall Time (microsec)635 676 41 6.5%
Incl. CPU (microsecs)12,000 8,000 -4,000 -33.3%
Incl. CPU (microsecs) per call 200 133 -67 -33.3%
Excl. CPU (microsec)8,000 4,000 -4,000 -50.0%
Incl. MemUse (bytes)50,864 50,864 0 0.0%
Incl. MemUse (bytes) per call 848 848 0 0.0%
Excl. MemUse (bytes)-58,064 -58,064 0 0.0%
Incl. PeakMemUse (bytes)52,392 52,392 0 0.0%
Incl. PeakMemUse (bytes) per call 873 873 0 0.0%
Excl. PeakMemUse (bytes)8,752 8,752 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% 228 7.4% -4,000 -100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function41 18.0% -4,000 -100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 211 92.5% -4,000 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 17 7.5% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 116 50.9% 4,000 100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 78 34.2% -4,000 -100.0% 0 N/A% 0 N/A%
array_diff0 N/A% -8 -3.5% 0 0.0% 0 N/A% 0 N/A%
drupal_static0 N/A% -3 -1.3% 0 0.0% 0 N/A% 0 N/A%
array_keys0 N/A% 3 1.3% 0 0.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 1 0.4% 0 0.0% 0 N/A% 0 N/A%