Diff Report
Run #519fbb3f5c2a0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbca569199: 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 #519fbca569199DiffDiff%
Number of Function Calls92 92 0 0.0%
Incl. Wall Time (microsec)4,162 4,334 172 4.1%
Incl. Wall Time (microsec) per call 45 47 2 4.1%
Excl. Wall Time (microsec)1,243 1,243 0 0.0%
Incl. CPU (microsecs)3,399 3,492 93 2.7%
Incl. CPU (microsecs) per call 37 38 1 2.7%
Excl. CPU (microsec)1,048 1,020 -28 -2.7%
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 -100,312 0 0.0%
Incl. PeakMemUse (bytes)63,504 63,504 0 0.0%
Incl. PeakMemUse (bytes) per call 690 690 0 0.0%
Excl. PeakMemUse (bytes)10,952 10,952 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% 172 27.0% 93 32.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% -28 -30.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 246 143.0% 96 103.2% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -74 -43.0% -3 -3.2% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 161 93.6% 95 102.2% 0 N/A% 0 N/A%
array_diff0 N/A% 8 4.7% 7 7.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 7 4.1% 3 3.2% 0 N/A% 0 N/A%
drupal_static0 N/A% -3 -1.7% 15 16.1% 0 N/A% 0 N/A%
array_keys0 N/A% -1 -0.6% -1 -1.1% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 2 2.2% 0 N/A% 0 N/A%