Diff Report
Run #54dec09b09eb9: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54dec21b63f84: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum

Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksumRun #54dec09b09eb9Run #54dec21b63f84DiffDiff%
Number of Function Calls318 319 1 0.3%
Incl. Wall Time (microsec)4,855 4,987 132 2.7%
Incl. Wall Time (microsec) per call 15 16 0 2.4%
Excl. Wall Time (microsec)1,780 1,841 61 3.4%
Incl. MemUse (bytes)25,776 25,824 48 0.2%
Incl. MemUse (bytes) per call 81 81 -0 -0.1%
Excl. MemUse (bytes)-430,040 -430,736 -696 -0.2%
Incl. PeakMemUse (bytes)15,856 17,416 1,560 9.8%
Incl. PeakMemUse (bytes) per call 50 55 5 9.5%
Excl. PeakMemUse (bytes)1,792 2,128 336 18.8%

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% 132 0.1% 48 0.0% 1,560 0.4%
Exclusive Metrics Diff for Current Function61 46.2% -696 -1450.0% 336 21.5%
Parent function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid1 100.0% 132 100.0% 48 100.0% 1,560 100.0%
Child functions
Drupal\Core\Database\Connection::query0 0.0% 37 28.0% -16 -33.3% 0 0.0%
array_diff1 50.0% 19 14.4% 8 16.7% 632 40.5%
array_keys1 50.0% 14 10.6% 752 1566.7% 592 37.9%
Drupal\Core\Database\Statement::fetchAllKeyed0 0.0% 1 0.8% 0 0.0% 0 0.0%
array_fill_keys0 0.0% 0 0.0% 0 0.0% 0 0.0%