Diff Report
Run #54f28d53cc42b: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54f283c5bb5f3: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum

Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksumRun #54f28d53cc42bRun #54f283c5bb5f3DiffDiff%
Number of Function Calls183 183 0 0.0%
Incl. Wall Time (microsec)5,013 5,453 440 8.8%
Incl. Wall Time (microsec) per call 27 30 2 8.8%
Excl. Wall Time (microsec)1,575 1,713 138 8.8%
Incl. MemUse (bytes)19,296 19,296 0 0.0%
Incl. MemUse (bytes) per call 105 105 0 0.0%
Excl. MemUse (bytes)-237,664 -237,688 -24 -0.0%
Incl. PeakMemUse (bytes)15,352 15,352 0 0.0%
Incl. PeakMemUse (bytes) per call 84 84 0 0.0%
Excl. PeakMemUse (bytes)2,152 2,152 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum0 N/A% 440 4.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function138 31.4% -24 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 440 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 154 35.0% 24 N/A% -8 N/A%
array_diff0 N/A% 74 16.8% 8 N/A% 8 N/A%
array_keys0 N/A% 62 14.1% -8 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllKeyed0 N/A% 11 2.5% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 1 0.2% 0 N/A% 0 N/A%