Diff Report
Run #517c1770a3264: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1836bbd84: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #517c1770a3264Run #517c1836bbd84DiffDiff%
Number of Function Calls65 65 0 0.0%
Incl. Wall Time (microsec)4,859 5,231 372 7.7%
Incl. Wall Time (microsec) per call 75 80 6 7.7%
Excl. Wall Time (microsec)1,048 1,081 33 3.1%
Incl. CPU (microsecs)3,291 3,410 119 3.6%
Incl. CPU (microsecs) per call 51 52 2 3.6%
Excl. CPU (microsec)869 901 32 3.7%
Incl. MemUse (bytes)52,440 52,440 0 0.0%
Incl. MemUse (bytes) per call 807 807 0 0.0%
Excl. MemUse (bytes)-87,640 -87,232 408 0.5%
Incl. PeakMemUse (bytes)86,160 86,400 240 0.3%
Incl. PeakMemUse (bytes) per call 1,326 1,329 4 0.3%
Excl. PeakMemUse (bytes)15,728 15,280 -448 -2.8%

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::checksumTags0 N/A% 372 23.4% 119 7.8% 0 0.0% 240 4.0%
Exclusive Metrics Diff for Current Function33 8.9% 32 26.9% 408 N/A% -448 -186.7%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 354 95.2% 104 87.4% 0 N/A% 240 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 18 4.8% 15 12.6% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 308 82.8% 69 58.0% 24 N/A% 416 173.3%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 20 5.4% 20 16.8% 0 N/A% 24 10.0%
array_keys0 N/A% 6 1.6% 0 0.0% -432 N/A% 152 63.3%
array_diff0 N/A% 3 0.8% -6 -5.0% 0 N/A% 96 40.0%
array_fill_keys0 N/A% 1 0.3% 5 4.2% 0 N/A% 0 0.0%
drupal_static0 N/A% 1 0.3% -1 -0.8% 0 N/A% 0 0.0%