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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51ec52a09990aRun #51ec517fc2424DiffDiff%
Number of Function Calls134 134 0 0.0%
Incl. Wall Time (microsec)5,288 5,620 332 6.3%
Incl. Wall Time (microsec) per call 39 42 2 6.3%
Excl. Wall Time (microsec)1,745 1,767 22 1.3%
Incl. CPU (microsecs)4,551 4,618 67 1.5%
Incl. CPU (microsecs) per call 34 34 1 1.5%
Excl. CPU (microsec)1,465 1,464 -1 -0.1%
Incl. MemUse (bytes)88,880 88,760 -120 -0.1%
Incl. MemUse (bytes) per call 663 662 -1 -0.1%
Excl. MemUse (bytes)-188,320 -188,376 -56 -0.0%
Incl. PeakMemUse (bytes)138,744 138,816 72 0.1%
Incl. PeakMemUse (bytes) per call 1,035 1,036 1 0.1%
Excl. PeakMemUse (bytes)36,288 36,248 -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 Function22 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%