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Run #556d0efcc18be: XHProf Run (Namespace=drupal-perf-drupalcon)
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Parent/Child report for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum [View Callgraph ]


Function NameCallsCalls%Incl. Wall Time
(microsec)		IWall%Incl.
MemUse
(bytes)		IMemUse%Incl.
PeakMemUse
(bytes)		IPeakMemUse%
Current Function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum178 29.4% 6,021 0.3% 18,032 0.0% 85,392 0.1%
Exclusive Metrics for Current Function1,474 24.5% -367,272 -2036.8% 5,320 6.2%
Parent function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid178 100.0% 6,021 100.0% 18,032 100.0% 85,392 100.0%
Child functions
Drupal\Core\Database\Connection::query13 3.1% 3,258 54.1% 49,080 272.2% 40,864 47.9%
array_diff191 45.4% 597 9.9% 29,416 163.1% 11,712 13.7%
array_keys191 45.4% 558 9.3% 298,288 1654.2% 27,168 31.8%
Drupal\Core\Database\Statement::fetchAllKeyed13 3.1% 130 2.2% 5,960 33.1% 328 0.4%
array_fill_keys13 3.1% 4 0.1% 2,560 14.2% 0 0.0%