Diff Report
Run #556d0efcc18be: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #556d13edd0b22: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum

Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksumRun #556d0efcc18beRun #556d13edd0b22DiffDiff%
Number of Function Calls178 178 0 0.0%
Incl. Wall Time (microsec)6,021 5,849 -172 -2.9%
Incl. Wall Time (microsec) per call 34 33 -1 -2.9%
Excl. Wall Time (microsec)1,474 1,464 -10 -0.7%
Incl. MemUse (bytes)18,032 18,032 0 0.0%
Incl. MemUse (bytes) per call 101 101 0 0.0%
Excl. MemUse (bytes)-367,272 -367,288 -16 -0.0%
Incl. PeakMemUse (bytes)85,392 85,408 16 0.0%
Incl. PeakMemUse (bytes) per call 480 480 0 0.0%
Excl. PeakMemUse (bytes)5,320 5,320 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% -172 -0.5% 0 0.0% 16 3.9%
Exclusive Metrics Diff for Current Function-10 -5.8% -16 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -172 -100.0% 0 N/A% 16 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -97 -56.4% 0 N/A% 16 100.0%
array_diff0 N/A% -51 -29.7% 0 N/A% 0 0.0%
array_keys0 N/A% -10 -5.8% 16 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllKeyed0 N/A% -5 -2.9% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 1 0.6% 0 N/A% 0 0.0%