Diff Report
Run #519fbb3f5c2a0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbcb7249d1: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519fbb3f5c2a0Run #519fbcb7249d1DiffDiff%
Number of Function Calls92 92 0 0.0%
Incl. Wall Time (microsec)4,162 4,325 163 3.9%
Incl. Wall Time (microsec) per call 45 47 2 3.9%
Excl. Wall Time (microsec)1,243 1,249 6 0.5%
Incl. CPU (microsecs)3,399 3,517 118 3.5%
Incl. CPU (microsecs) per call 37 38 1 3.5%
Excl. CPU (microsec)1,048 1,045 -3 -0.3%
Incl. MemUse (bytes)65,616 65,616 0 0.0%
Incl. MemUse (bytes) per call 713 713 0 0.0%
Excl. MemUse (bytes)-100,312 -100,304 8 0.0%
Incl. PeakMemUse (bytes)63,504 63,496 -8 -0.0%
Incl. PeakMemUse (bytes) per call 690 690 -0 -0.0%
Excl. PeakMemUse (bytes)10,952 10,984 32 0.3%

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% 163 42.8% 118 36.9% 0 0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function6 3.7% -3 -2.5% 8 N/A% 32 400.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 247 151.5% 135 114.4% 0 N/A% -8 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -84 -51.5% -17 -14.4% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 126 77.3% 81 68.6% 0 N/A% -32 -400.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 15 9.2% 11 9.3% 0 N/A% 0 0.0%
array_diff0 N/A% 10 6.1% 20 16.9% 0 N/A% 0 0.0%
drupal_static0 N/A% 4 2.5% 12 10.2% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 1 0.6% 5 4.2% 0 N/A% 0 0.0%
array_keys0 N/A% 1 0.6% -8 -6.8% -8 N/A% -8 -100.0%