Diff Report
Run #519c60f26cf68: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c619634b1e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519c60f26cf68Run #519c619634b1eDiffDiff%
Number of Function Calls113 113 0 0.0%
Incl. Wall Time (microsec)8,316 8,417 101 1.2%
Incl. Wall Time (microsec) per call 74 74 1 1.2%
Excl. Wall Time (microsec)2,317 2,240 -77 -3.3%
Incl. CPU (microsecs)5,834 5,736 -98 -1.7%
Incl. CPU (microsecs) per call 52 51 -1 -1.7%
Excl. CPU (microsec)2,004 1,979 -25 -1.2%
Incl. MemUse (bytes)43,620 43,620 0 0.0%
Incl. MemUse (bytes) per call 386 386 0 0.0%
Excl. MemUse (bytes)-50,312 -50,312 0 0.0%
Incl. PeakMemUse (bytes)40,908 40,908 0 0.0%
Incl. PeakMemUse (bytes) per call 362 362 0 0.0%
Excl. PeakMemUse (bytes)10,976 10,976 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% 101 5.3% -98 -3.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-77 -76.2% -25 -25.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 101 100.0% -98 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 183 181.2% -29 -29.6% 0 N/A% 0 N/A%
drupal_static0 N/A% -11 -10.9% -14 -14.3% 0 N/A% 0 N/A%
array_diff0 N/A% 9 8.9% -17 -17.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -3 -3.0% -2 -2.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -1 -1.0% 1 1.0% 0 N/A% 0 N/A%
array_keys0 N/A% 1 1.0% -12 -12.2% 0 N/A% 0 N/A%