Diff Report
Run #5192e86ee04ad: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5192e6f7bc551: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5192e86ee04adRun #5192e6f7bc551DiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)5,343 5,731 388 7.3%
Incl. Wall Time (microsec) per call 69 74 5 7.3%
Excl. Wall Time (microsec)1,255 1,323 68 5.4%
Incl. CPU (microsecs)3,666 3,850 184 5.0%
Incl. CPU (microsecs) per call 48 50 2 5.0%
Excl. CPU (microsec)1,097 1,110 13 1.2%
Incl. MemUse (bytes)58,312 58,312 0 0.0%
Incl. MemUse (bytes) per call 757 757 0 0.0%
Excl. MemUse (bytes)-102,432 -102,432 0 0.0%
Incl. PeakMemUse (bytes)107,048 107,048 0 0.0%
Incl. PeakMemUse (bytes) per call 1,390 1,390 0 0.0%
Excl. PeakMemUse (bytes)17,216 17,216 0 0.0%

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% 388 166.5% 184 12.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function68 17.5% 13 7.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 418 107.7% 223 121.2% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -30 -7.7% -39 -21.2% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 302 77.8% 113 61.4% 0 N/A% 0 N/A%
array_diff0 N/A% -28 -7.2% -16 -8.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 23 5.9% 29 15.8% 0 N/A% 0 N/A%
drupal_static0 N/A% 16 4.1% 25 13.6% 0 N/A% 0 N/A%
array_keys0 N/A% 5 1.3% 14 7.6% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 2 0.5% 6 3.3% 0 N/A% 0 N/A%