Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad972c8c0d: 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 #534ad972c8c0dDiffDiff%
Number of Function Calls144 144 0 0.0%
Incl. Wall Time (microsec)17,269 17,539 270 1.6%
Incl. Wall Time (microsec) per call 120 122 2 1.6%
Excl. Wall Time (microsec)3,861 3,895 34 0.9%
Incl. CPU (microsecs)12,028 12,259 231 1.9%
Incl. CPU (microsecs) per call 84 85 2 1.9%
Excl. CPU (microsec)3,385 3,437 52 1.5%
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 -281,652 0 0.0%
Incl. PeakMemUse (bytes)149,152 149,152 0 0.0%
Incl. PeakMemUse (bytes) per call 1,036 1,036 0 0.0%
Excl. PeakMemUse (bytes)31,480 31,480 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% 270 18.6% 231 39.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function34 12.6% 52 22.5% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 287 106.3% 252 109.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -21 -7.8% -22 -9.5% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 4 1.5% 1 0.4% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 134 49.6% 124 53.7% 0 N/A% 0 N/A%
array_diff0 N/A% 47 17.4% 30 13.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 34 12.6% 33 14.3% 0 N/A% 0 N/A%
array_keys0 N/A% 16 5.9% -11 -4.8% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 3 1.1% -1 -0.4% 0 N/A% 0 N/A%
drupal_static0 N/A% 2 0.7% 4 1.7% 0 N/A% 0 N/A%