Diff Report
Run #531ccbd4518b6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccb2cb8e3d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #531ccbd4518b6Run #531ccb2cb8e3dDiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)4,684 4,658 -26 -0.6%
Incl. Wall Time (microsec) per call 67 67 -0 -0.6%
Excl. Wall Time (microsec)996 991 -5 -0.5%
Incl. CPU (microsecs)3,369 3,340 -29 -0.9%
Incl. CPU (microsecs) per call 48 48 -0 -0.9%
Excl. CPU (microsec)815 801 -14 -1.7%
Incl. MemUse (bytes)65,384 65,384 0 0.0%
Incl. MemUse (bytes) per call 934 934 0 0.0%
Excl. MemUse (bytes)-152,728 -152,696 32 0.0%
Incl. PeakMemUse (bytes)112,368 112,840 472 0.4%
Incl. PeakMemUse (bytes) per call 1,605 1,612 7 0.4%
Excl. PeakMemUse (bytes)25,696 25,912 216 0.8%

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% -26 -26.5% -29 -11.1% 0 0.0% 472 1.2%
Exclusive Metrics Diff for Current Function-5 -19.2% -14 -48.3% 32 N/A% 216 45.8%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -26 -100.0% -29 -100.0% 0 N/A% 472 100.0%
Child functions
array_keys0 N/A% -13 -50.0% -19 -65.5% -8 N/A% 200 42.4%
drupal_static0 N/A% -6 -23.1% 8 27.6% 0 N/A% 24 5.1%
Drupal\Core\Database\Connection::query0 N/A% -3 -11.5% -1 -3.4% -24 N/A% -72 -15.3%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 3 11.5% 5 17.2% 0 N/A% 0 0.0%
array_diff0 N/A% -2 -7.7% -7 -24.1% 0 N/A% 104 22.0%
array_fill_keys0 N/A% 0 0.0% -1 -3.4% 0 N/A% 0 0.0%