Diff Report
Run #5589b6f75b296: XHProf Run (Namespace=drupal-perf-stefanr)
vs.
Run #5589b704ad974: XHProf Run (Namespace=drupal-perf-stefanr)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum

Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksumRun #5589b6f75b296Run #5589b704ad974DiffDiff%
Number of Function Calls10,900 10,900 0 0.0%
Incl. Wall Time (microsec)546,028 528,715 -17,313 -3.2%
Incl. Wall Time (microsec) per call 50 49 -2 -3.2%
Excl. Wall Time (microsec)118,739 117,386 -1,353 -1.1%
Incl. MemUse (bytes)1,464,800 1,464,800 0 0.0%
Incl. MemUse (bytes) per call 134 134 0 0.0%
Excl. MemUse (bytes)-17,589,600 -17,592,000 -2,400 -0.0%
Incl. PeakMemUse (bytes)5,552,000 5,622,400 70,400 1.3%
Incl. PeakMemUse (bytes) per call 509 516 6 1.3%
Excl. PeakMemUse (bytes)389,600 394,400 4,800 1.2%

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% -17,313 -0.9% 0 0.0% 70,400 1.2%
Exclusive Metrics Diff for Current Function-1,353 -7.8% -2,400 N/A% 4,800 6.8%
Parent function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -17,313 -100.0% 0 N/A% 70,400 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -8,159 -47.1% 0 N/A% 6,400 9.1%
array_keys0 N/A% -4,014 -23.2% 2,400 N/A% 17,600 25.0%
array_diff0 N/A% -1,762 -10.2% 0 N/A% 41,600 59.1%
array_fill_keys0 N/A% -1,506 -8.7% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllKeyed0 N/A% -519 -3.0% 0 N/A% 0 0.0%