Diff Report
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af435181b2e: 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 #51af435181b2eDiffDiff%
Number of Function Calls55 55 0 0.0%
Incl. Wall Time (microsec)4,003 4,220 217 5.4%
Incl. Wall Time (microsec) per call 73 77 4 5.4%
Excl. Wall Time (microsec)902 903 1 0.1%
Incl. CPU (microsecs)3,121 3,126 5 0.2%
Incl. CPU (microsecs) per call 57 57 0 0.2%
Excl. CPU (microsec)773 762 -11 -1.4%
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 -74,944 8 0.0%
Incl. PeakMemUse (bytes)67,576 67,560 -16 -0.0%
Incl. PeakMemUse (bytes) per call 1,229 1,228 -0 -0.0%
Excl. PeakMemUse (bytes)11,240 11,192 -48 -0.4%

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% 217 27.2% 5 0.5% 0 0.0% -16 -0.0%
Exclusive Metrics Diff for Current Function1 0.5% -11 -220.0% 8 N/A% -48 -300.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 151 69.6% 35 700.0% 0 N/A% -16 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 66 30.4% -30 -600.0% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 262 120.7% 63 1260.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -25 -11.5% -24 -480.0% 0 N/A% 0 0.0%
array_diff0 N/A% -15 -6.9% -25 -500.0% 0 N/A% 32 200.0%
drupal_static0 N/A% -9 -4.1% -6 -120.0% 0 N/A% 0 0.0%
array_keys0 N/A% 3 1.4% 4 80.0% -8 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 4 80.0% 0 N/A% 0 0.0%