Diff Report
Run #55a8735248325: XHProf Run (Namespace=drupal-perf-lauriii)
vs.
Run #55a8732244c39: XHProf Run (Namespace=drupal-perf-lauriii)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum

Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksumRun #55a8735248325Run #55a8732244c39DiffDiff%
Number of Function Calls55 58 3 5.5%
Incl. Wall Time (microsec)1,409 1,549 140 9.9%
Incl. Wall Time (microsec) per call 26 27 1 4.2%
Excl. Wall Time (microsec)325 352 27 8.3%
Incl. MemUse (bytes)13,800 14,312 512 3.7%
Incl. MemUse (bytes) per call 251 247 -4 -1.7%
Excl. MemUse (bytes)-153,880 -172,672 -18,792 -12.2%
Incl. PeakMemUse (bytes)33,680 39,256 5,576 16.6%
Incl. PeakMemUse (bytes) per call 612 677 64 10.5%
Excl. PeakMemUse (bytes)2,832 2,856 24 0.8%

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::calculateChecksum3 15.8% 140 2.3% 512 0.0% 5,576 0.5%
Exclusive Metrics Diff for Current Function27 19.3% -18,792 -3670.3% 24 0.4%
Parent function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid3 100.0% 140 100.0% 512 100.0% 5,576 100.0%
Child functions
Drupal\Core\Database\Connection::query2 12.5% 92 65.7% 3,104 606.2% 2,432 43.6%
array_diff5 31.2% 19 13.6% 1,016 198.4% 1,048 18.8%
Drupal\Core\Database\Statement::fetchAllKeyed2 12.5% 9 6.4% 800 156.2% -288 -5.2%
array_keys5 31.2% -7 -5.0% 14,208 2775.0% 2,184 39.2%
array_fill_keys2 12.5% 0 0.0% 176 34.4% 176 3.2%