Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #534ad8dec7444Run #534ad9c94e95bDiffDiff%
Number of Function Calls144 144 0 0.0%
Incl. Wall Time (microsec)17,269 17,107 -162 -0.9%
Incl. Wall Time (microsec) per call 120 119 -1 -0.9%
Excl. Wall Time (microsec)3,861 3,816 -45 -1.2%
Incl. CPU (microsecs)12,028 12,016 -12 -0.1%
Incl. CPU (microsecs) per call 84 83 -0 -0.1%
Excl. CPU (microsec)3,385 3,358 -27 -0.8%
Incl. MemUse (bytes)66,924 66,924 0 0.0%
Incl. MemUse (bytes) per call 465 465 0 0.0%
Excl. MemUse (bytes)-281,652 -281,680 -28 -0.0%
Incl. PeakMemUse (bytes)149,152 149,204 52 0.0%
Incl. PeakMemUse (bytes) per call 1,036 1,036 0 0.0%
Excl. PeakMemUse (bytes)31,480 31,500 20 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% -162 -9.8% -12 -2.4% 0 0.0% 52 0.2%
Exclusive Metrics Diff for Current Function-45 -27.8% -27 -225.0% -28 N/A% 20 38.5%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -135 -83.3% 9 75.0% 0 N/A% 52 100.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -22 -13.6% -22 -183.3% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -5 -3.1% 1 8.3% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -122 -75.3% 52 433.3% 0 N/A% 0 0.0%
array_diff0 N/A% 10 6.2% -7 -58.3% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -9 -5.6% -6 -50.0% 0 N/A% 0 0.0%
array_keys0 N/A% 5 3.1% -18 -150.0% 28 N/A% 32 61.5%
drupal_static0 N/A% -5 -3.1% -15 -125.0% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 4 2.5% 9 75.0% 0 N/A% 0 0.0%