Diff Report
Run #51f5bbaa8fc1d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51f5bb078e5a7: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51f5bbaa8fc1dRun #51f5bb078e5a7DiffDiff%
Number of Function Calls115 115 0 0.0%
Incl. Wall Time (microsec)6,250 5,786 -464 -7.4%
Incl. Wall Time (microsec) per call 54 50 -4 -7.4%
Excl. Wall Time (microsec)1,703 1,627 -76 -4.5%
Incl. CPU (microsecs)4,307 4,166 -141 -3.3%
Incl. CPU (microsecs) per call 37 36 -1 -3.3%
Excl. CPU (microsec)1,430 1,344 -86 -6.0%
Incl. MemUse (bytes)77,736 77,712 -24 -0.0%
Incl. MemUse (bytes) per call 676 676 -0 -0.0%
Excl. MemUse (bytes)-125,216 -125,280 -64 -0.1%
Incl. PeakMemUse (bytes)109,272 110,712 1,440 1.3%
Incl. PeakMemUse (bytes) per call 950 963 13 1.3%
Excl. PeakMemUse (bytes)23,960 24,048 88 0.4%

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% -464 -10.1% -141 -3.3% -24 -0.0% 1,440 2.5%
Exclusive Metrics Diff for Current Function-76 -16.4% -86 -61.0% -64 -266.7% 88 6.1%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -418 -90.1% -140 -99.3% -24 -100.0% 1,440 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -46 -9.9% -1 -0.7% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -343 -73.9% -12 -8.5% 16 66.7% 80 5.6%
array_keys0 N/A% -25 -5.4% -18 -12.8% 48 200.0% 1,000 69.4%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -24 -5.2% -23 -16.3% -24 -100.0% -24 -1.7%
drupal_static0 N/A% 3 0.6% -13 -9.2% 0 0.0% 40 2.8%
array_diff0 N/A% 1 0.2% 10 7.1% 0 0.0% 256 17.8%
array_fill_keys0 N/A% 0 0.0% 1 0.7% 0 0.0% 0 0.0%