Diff Report
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af430daedb2: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51af3d98520b7Run #51af430daedb2DiffDiff%
Number of Function Calls55 55 0 0.0%
Incl. Wall Time (microsec)4,003 4,224 221 5.5%
Incl. Wall Time (microsec) per call 73 77 4 5.5%
Excl. Wall Time (microsec)902 921 19 2.1%
Incl. CPU (microsecs)3,121 3,197 76 2.4%
Incl. CPU (microsecs) per call 57 58 1 2.4%
Excl. CPU (microsec)773 766 -7 -0.9%
Incl. MemUse (bytes)48,488 48,488 0 0.0%
Incl. MemUse (bytes) per call 882 882 0 0.0%
Excl. MemUse (bytes)-74,952 -74,952 0 0.0%
Incl. PeakMemUse (bytes)67,576 67,576 0 0.0%
Incl. PeakMemUse (bytes) per call 1,229 1,229 0 0.0%
Excl. PeakMemUse (bytes)11,240 11,240 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% 221 16.3% 76 4.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function19 8.6% -7 -9.2% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 254 114.9% 109 143.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -33 -14.9% -33 -43.4% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 218 98.6% 74 97.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -19 -8.6% 0 0.0% 0 N/A% 0 N/A%
array_keys0 N/A% 7 3.2% 21 27.6% 0 N/A% 0 N/A%
drupal_static0 N/A% -3 -1.4% -2 -2.6% 0 N/A% 0 N/A%
array_diff0 N/A% -1 -0.5% -13 -17.1% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 3 3.9% 0 N/A% 0 N/A%