Diff Report
Run #51a188154f4e0: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a18906335b0: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51a188154f4e0Run #51a18906335b0DiffDiff%
Number of Function Calls70 80 10 14.3%
Incl. Wall Time (microsec)5,679 6,809 1,130 19.9%
Incl. Wall Time (microsec) per call 81 85 4 4.9%
Excl. Wall Time (microsec)1,768 2,211 443 25.1%
Incl. CPU (microsecs)8,000 4,000 -4,000 -50.0%
Incl. CPU (microsecs) per call 114 50 -64 -56.2%
Excl. CPU (microsec)4,000 4,000 0 0.0%
Incl. MemUse (bytes)31,772 35,328 3,556 11.2%
Incl. MemUse (bytes) per call 454 442 -12 -2.7%
Excl. MemUse (bytes)-32,004 -43,080 -11,076 -34.6%
Incl. PeakMemUse (bytes)36,080 41,952 5,872 16.3%
Incl. PeakMemUse (bytes) per call 515 524 9 1.7%
Excl. PeakMemUse (bytes)5,008 5,516 508 10.1%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::checksumTags [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::checksumTags10 20.0% 1,130 0.8% -4,000 -5.3% 3,556 0.6% 5,872 0.9%
Exclusive Metrics Diff for Current Function443 39.2% 0 0.0% -11,076 -311.5% 508 8.7%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem10 100.0% 1,140 100.9% -4,000 -100.0% 3,556 100.0% 5,872 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 0.0% -10 -0.9% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query2 5.0% 296 26.2% -4,000 -100.0% 1,908 53.7% 904 15.4%
drupal_static10 25.0% 197 17.4% 0 0.0% 0 0.0% 28 0.5%
array_keys12 30.0% 72 6.4% 0 0.0% 10,536 296.3% 4,032 68.7%
array_diff12 30.0% 66 5.8% 0 0.0% 904 25.4% 320 5.4%
Drupal\Core\Database\Statement::fetchAllAssoc2 5.0% 52 4.6% 0 0.0% 1,188 33.4% 52 0.9%
array_fill_keys2 5.0% 4 0.4% 0 0.0% 96 2.7% 28 0.5%