Diff Report
Run #51a191a350534: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a19275db084: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51a191a350534Run #51a19275db084DiffDiff%
Number of Function Calls71 84 13 18.3%
Incl. Wall Time (microsec)5,552 6,699 1,147 20.7%
Incl. Wall Time (microsec) per call 78 80 2 2.0%
Excl. Wall Time (microsec)1,754 2,074 320 18.2%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)32,032 36,368 4,336 13.5%
Incl. MemUse (bytes) per call 451 433 -18 -4.0%
Excl. MemUse (bytes)-33,708 -48,904 -15,196 -45.1%
Incl. PeakMemUse (bytes)36,380 44,648 8,268 22.7%
Incl. PeakMemUse (bytes) per call 512 532 19 3.7%
Excl. PeakMemUse (bytes)4,944 7,132 2,188 44.3%

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::checksumTags13 21.0% 1,147 1.8% 0 0.0% 4,336 0.9% 8,268 1.6%
Exclusive Metrics Diff for Current Function320 27.9% 0 N/A% -15,196 -350.5% 2,188 26.5%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem13 100.0% 1,138 99.2% 0 N/A% 4,336 100.0% 8,268 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 0.0% 9 0.8% 0 N/A% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query2 4.1% 428 37.3% 0 N/A% 1,908 44.0% 1,192 14.4%
drupal_static13 26.5% 181 15.8% 0 N/A% 0 0.0% 0 0.0%
array_diff15 30.6% 82 7.1% 0 N/A% 1,048 24.2% 524 6.3%
array_keys15 30.6% 72 6.3% 0 N/A% 15,292 352.7% 4,244 51.3%
Drupal\Core\Database\Statement::fetchAllAssoc2 4.1% 61 5.3% 0 N/A% 1,188 27.4% 120 1.5%
array_fill_keys2 4.1% 3 0.3% 0 N/A% 96 2.2% 0 0.0%