Diff Report
Run #5394e33e8d847: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5394e21e9bd45: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5394e33e8d847Run #5394e21e9bd45DiffDiff%
Number of Function Calls168 168 0 0.0%
Incl. Wall Time (microsec)20,566 20,771 205 1.0%
Incl. Wall Time (microsec) per call 122 124 1 1.0%
Excl. Wall Time (microsec)5,335 5,358 23 0.4%
Incl. CPU (microsecs)18,597 18,827 230 1.2%
Incl. CPU (microsecs) per call 111 112 1 1.2%
Excl. CPU (microsec)4,602 4,569 -33 -0.7%
Incl. MemUse (bytes)34,272 165,256 130,984 382.2%
Incl. MemUse (bytes) per call 204 984 780 382.2%
Excl. MemUse (bytes)-1,299,520 -1,168,608 130,912 10.1%
Incl. PeakMemUse (bytes)305,960 306,496 536 0.2%
Incl. PeakMemUse (bytes) per call 1,821 1,824 3 0.2%
Excl. PeakMemUse (bytes)98,688 98,640 -48 -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% 205 47.2% 230 25.3% 130,984 49615.2% 536 56.8%
Exclusive Metrics Diff for Current Function23 11.2% -33 -14.3% 130,912 99.9% -48 -9.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 205 100.0% 230 100.0% 130,984 100.0% 536 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 119 58.0% 167 72.6% 40 0.0% 544 101.5%
array_diff0 N/A% 76 37.1% 60 26.1% 0 0.0% 24 4.5%
drupal_static0 N/A% -20 -9.8% 2 0.9% 0 0.0% 0 0.0%
array_fill_keys0 N/A% 7 3.4% 11 4.8% 0 0.0% 0 0.0%
array_keys0 N/A% 6 2.9% 30 13.0% 32 0.0% 16 3.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -6 -2.9% -7 -3.0% 0 0.0% 0 0.0%