Diff Report
Run #5190217a23e77: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51901ff69a8a6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5190217a23e77Run #51901ff69a8a6DiffDiff%
Number of Function Calls99 99 0 0.0%
Incl. Wall Time (microsec)6,236 6,203 -33 -0.5%
Incl. Wall Time (microsec) per call 63 63 -0 -0.5%
Excl. Wall Time (microsec)1,550 1,562 12 0.8%
Incl. CPU (microsecs)4,239 4,250 11 0.3%
Incl. CPU (microsecs) per call 43 43 0 0.3%
Excl. CPU (microsec)1,275 1,292 17 1.3%
Incl. MemUse (bytes)69,912 69,912 0 0.0%
Incl. MemUse (bytes) per call 706 706 0 0.0%
Excl. MemUse (bytes)-104,112 -104,136 -24 -0.0%
Incl. PeakMemUse (bytes)101,888 101,904 16 0.0%
Incl. PeakMemUse (bytes) per call 1,029 1,029 0 0.0%
Excl. PeakMemUse (bytes)21,104 21,056 -48 -0.2%

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% -33 -15.6% 11 183.3% 0 0.0% 16 0.1%
Exclusive Metrics Diff for Current Function12 36.4% 17 154.5% -24 N/A% -48 -300.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -32 -97.0% 9 81.8% 0 N/A% 16 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -1 -3.0% 2 18.2% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -33 -100.0% 6 54.5% 0 N/A% 64 400.0%
array_diff0 N/A% -6 -18.2% 0 0.0% 0 N/A% 0 0.0%
drupal_static0 N/A% -5 -15.2% -7 -63.6% 0 N/A% 0 0.0%
array_keys0 N/A% -1 -3.0% -3 -27.3% 24 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 5 45.5% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 0 0.0% -7 -63.6% 0 N/A% 0 0.0%