Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51ec517fc2424Run #51ec52a09990aDiffDiff%
Number of Function Calls134 134 0 0.0%
Incl. Wall Time (microsec)5,620 5,288 -332 -5.9%
Incl. Wall Time (microsec) per call 42 39 -2 -5.9%
Excl. Wall Time (microsec)1,767 1,745 -22 -1.2%
Incl. CPU (microsecs)4,618 4,551 -67 -1.5%
Incl. CPU (microsecs) per call 34 34 -1 -1.5%
Excl. CPU (microsec)1,464 1,465 1 0.1%
Incl. MemUse (bytes)88,760 88,880 120 0.1%
Incl. MemUse (bytes) per call 662 663 1 0.1%
Excl. MemUse (bytes)-188,376 -188,320 56 0.0%
Incl. PeakMemUse (bytes)138,816 138,744 -72 -0.1%
Incl. PeakMemUse (bytes) per call 1,036 1,035 -1 -0.1%
Excl. PeakMemUse (bytes)36,248 36,288 40 0.1%

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% -332 -8.1% -67 -1.6% 120 0.5% -72 -0.3%
Exclusive Metrics Diff for Current Function-22 -6.6% 1 1.5% 56 46.7% 40 55.6%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -261 -78.6% -74 -110.4% 120 100.0% -72 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -69 -20.8% 9 13.4% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -2 -0.6% -2 -3.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -343 -103.3% -80 -119.4% 0 0.0% -88 -122.2%
array_keys0 N/A% 20 6.0% 19 28.4% 64 53.3% -32 -44.4%
drupal_static0 N/A% 14 4.2% 13 19.4% 0 0.0% -48 -66.7%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -13 -3.9% -15 -22.4% 0 0.0% 0 0.0%
array_diff0 N/A% 12 3.6% -4 -6.0% 0 0.0% 56 77.8%
array_fill_keys0 N/A% 0 0.0% -1 -1.5% 0 0.0% 0 0.0%