Diff Report
Run #54dec59a01be2: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54dec6fc087bf: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum

Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksumRun #54dec59a01be2Run #54dec6fc087bfDiffDiff%
Number of Function Calls318 319 1 0.3%
Incl. Wall Time (microsec)4,863 4,911 48 1.0%
Incl. Wall Time (microsec) per call 15 15 0 0.7%
Excl. Wall Time (microsec)1,746 1,812 66 3.8%
Incl. MemUse (bytes)25,776 25,848 72 0.3%
Incl. MemUse (bytes) per call 81 81 -0 -0.0%
Excl. MemUse (bytes)-430,040 -431,040 -1,000 -0.2%
Incl. PeakMemUse (bytes)15,856 20,752 4,896 30.9%
Incl. PeakMemUse (bytes) per call 50 65 15 30.5%
Excl. PeakMemUse (bytes)1,792 2,784 992 55.4%

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::calculateChecksum1 33.3% 48 0.1% 72 0.0% 4,896 0.3%
Exclusive Metrics Diff for Current Function66 137.5% -1,000 -1388.9% 992 20.3%
Parent function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid1 100.0% 48 100.0% 72 100.0% 4,896 100.0%
Child functions
Drupal\Core\Database\Connection::query0 0.0% -35 -72.9% 24 33.3% 0 0.0%
array_keys1 50.0% 12 25.0% 1,024 1422.2% 2,144 43.8%
array_diff1 50.0% 4 8.3% 24 33.3% 1,760 35.9%
Drupal\Core\Database\Statement::fetchAllKeyed0 0.0% 1 2.1% 0 0.0% 0 0.0%
array_fill_keys0 0.0% 0 0.0% 0 0.0% 0 0.0%