Diff Report
Run #519eb5243677d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb486908e7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519eb5243677dRun #519eb486908e7DiffDiff%
Number of Function Calls119 119 0 0.0%
Incl. Wall Time (microsec)8,520 8,355 -165 -1.9%
Incl. Wall Time (microsec) per call 72 70 -1 -1.9%
Excl. Wall Time (microsec)2,375 2,381 6 0.3%
Incl. CPU (microsecs)5,876 5,909 33 0.6%
Incl. CPU (microsecs) per call 49 50 0 0.6%
Excl. CPU (microsec)2,072 2,080 8 0.4%
Incl. MemUse (bytes)45,832 45,832 0 0.0%
Incl. MemUse (bytes) per call 385 385 0 0.0%
Excl. MemUse (bytes)-56,044 -56,044 0 0.0%
Incl. PeakMemUse (bytes)40,452 40,452 0 0.0%
Incl. PeakMemUse (bytes) per call 340 340 0 0.0%
Excl. PeakMemUse (bytes)11,128 11,128 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% -165 -8.4% 33 3.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function6 3.6% 8 24.2% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -168 -101.8% 29 87.9% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 3 1.8% 4 12.1% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -193 -117.0% -3 -9.1% 0 N/A% 0 N/A%
drupal_static0 N/A% 15 9.1% -1 -3.0% 0 N/A% 0 N/A%
array_keys0 N/A% 7 4.2% 12 36.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -3 -1.8% 3 9.1% 0 N/A% 0 N/A%
array_diff0 N/A% 3 1.8% 10 30.3% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 4 12.1% 0 N/A% 0 N/A%