Diff Report
Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf1bb00d4b: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #53ccf06f3ae60Run #53ccf1bb00d4bDiffDiff%
Number of Function Calls90 90 0 0.0%
Incl. Wall Time (microsec)4,163 4,044 -119 -2.9%
Incl. Wall Time (microsec) per call 46 45 -1 -2.9%
Excl. Wall Time (microsec)1,022 1,027 5 0.5%
Incl. CPU (microsecs)3,002 2,921 -81 -2.7%
Incl. CPU (microsecs) per call 33 32 -1 -2.7%
Excl. CPU (microsec)852 857 5 0.6%
Incl. MemUse (bytes)71,112 71,120 8 0.0%
Incl. MemUse (bytes) per call 790 790 0 0.0%
Excl. MemUse (bytes)-117,416 -117,464 -48 -0.0%
Incl. PeakMemUse (bytes)92,504 90,536 -1,968 -2.1%
Incl. PeakMemUse (bytes) per call 1,028 1,006 -22 -2.1%
Excl. PeakMemUse (bytes)19,608 18,552 -1,056 -5.4%

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% -119 -7.9% -81 -5.0% 8 0.1% -1,968 -18.3%
Exclusive Metrics Diff for Current Function5 4.2% 5 6.2% -48 -600.0% -1,056 -53.7%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -129 -108.4% -91 -112.3% 8 100.0% -1,968 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 10 8.4% 10 12.3% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -120 -100.8% -75 -92.6% 0 0.0% -96 -4.9%
array_diff0 N/A% -5 -4.2% 4 4.9% 0 0.0% -240 -12.2%
array_fill_keys0 N/A% -3 -2.5% 0 0.0% 0 0.0% 0 0.0%
array_keys0 N/A% 2 1.7% -12 -14.8% 48 600.0% -576 -29.3%
drupal_static0 N/A% 2 1.7% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 0 0.0% -3 -3.7% 8 100.0% 0 0.0%