Diff Report
Run #531ccba053790: 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 #531ccba053790Run #531ccb2cb8e3dDiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)4,681 4,658 -23 -0.5%
Incl. Wall Time (microsec) per call 67 67 -0 -0.5%
Excl. Wall Time (microsec)1,003 991 -12 -1.2%
Incl. CPU (microsecs)3,351 3,340 -11 -0.3%
Incl. CPU (microsecs) per call 48 48 -0 -0.3%
Excl. CPU (microsec)805 801 -4 -0.5%
Incl. MemUse (bytes)65,384 65,384 0 0.0%
Incl. MemUse (bytes) per call 934 934 0 0.0%
Excl. MemUse (bytes)-152,696 -152,696 0 0.0%
Incl. PeakMemUse (bytes)112,840 112,840 0 0.0%
Incl. PeakMemUse (bytes) per call 1,612 1,612 0 0.0%
Excl. PeakMemUse (bytes)25,912 25,912 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% -23 -39.7% -11 -18.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-12 -52.2% -4 -36.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -23 -100.0% -11 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -21 -91.3% -1 -9.1% 0 N/A% 0 N/A%
array_keys0 N/A% 7 30.4% 6 54.5% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 3 13.0% -6 -54.5% 0 N/A% 0 N/A%
array_diff0 N/A% 2 8.7% -17 -154.5% 0 N/A% 0 N/A%
drupal_static0 N/A% -2 -8.7% 6 54.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 0 0.0% 5 45.5% 0 N/A% 0 N/A%