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

Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksumRun #5589b704ad974Run #5589b6f75b296DiffDiff%
Number of Function Calls10,900 10,900 0 0.0%
Incl. Wall Time (microsec)528,715 546,028 17,313 3.3%
Incl. Wall Time (microsec) per call 49 50 2 3.3%
Excl. Wall Time (microsec)117,386 118,739 1,353 1.2%
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)-17,592,000 -17,589,600 2,400 0.0%
Incl. PeakMemUse (bytes)5,622,400 5,552,000 -70,400 -1.3%
Incl. PeakMemUse (bytes) per call 516 509 -6 -1.3%
Excl. PeakMemUse (bytes)394,400 389,600 -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 Function1,353 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%