Diff Report
Run #55919d1190958: XHProf Run (Namespace=drupal-perf-lauriii)
vs.
Run #55919cdb0fed9: XHProf Run (Namespace=drupal-perf-lauriii)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum

Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksumRun #55919d1190958Run #55919cdb0fed9DiffDiff%
Number of Function Calls52 55 3 5.8%
Incl. Wall Time (microsec)1,385 1,582 197 14.2%
Incl. Wall Time (microsec) per call 27 29 2 8.0%
Excl. Wall Time (microsec)328 362 34 10.4%
Incl. MemUse (bytes)13,496 14,008 512 3.8%
Incl. MemUse (bytes) per call 260 255 -5 -1.9%
Excl. MemUse (bytes)-128,128 -145,192 -17,064 -13.3%
Incl. PeakMemUse (bytes)20,992 21,008 16 0.1%
Incl. PeakMemUse (bytes) per call 404 382 -22 -5.4%
Excl. PeakMemUse (bytes)2,232 2,208 -24 -1.1%

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::calculateChecksum3 15.8% 197 2.4% 512 0.1% 16 0.0%
Exclusive Metrics Diff for Current Function34 17.3% -17,064 -3332.8% -24 -150.0%
Parent function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid3 100.0% 197 100.0% 512 100.0% 16 100.0%
Child functions
Drupal\Core\Database\Connection::query2 12.5% 130 66.0% 3,104 606.2% 824 5150.0%
array_diff5 31.2% 28 14.2% 1,016 198.4% -176 -1100.0%
Drupal\Core\Database\Statement::fetchAllKeyed2 12.5% 11 5.6% 800 156.2% -288 -1800.0%
array_keys5 31.2% -6 -3.0% 12,480 2437.5% -496 -3100.0%
array_fill_keys2 12.5% 0 0.0% 176 34.4% 176 1100.0%