Diff Report
Run #543bf339ee873: XHProf Run (Namespace=drupal-perf-dawehner)
vs.
Run #543bf51d41339: XHProf Run (Namespace=drupal-perf-dawehner)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #543bf339ee873Run #543bf51d41339DiffDiff%
Number of Function Calls117 117 0 0.0%
Incl. Wall Time (microsec)9,417 8,907 -510 -5.4%
Incl. Wall Time (microsec) per call 80 76 -4 -5.4%
Excl. Wall Time (microsec)2,600 2,602 2 0.1%
Incl. CPU (microsecs)8,169 8,442 273 3.3%
Incl. CPU (microsecs) per call 70 72 2 3.3%
Excl. CPU (microsec)2,231 2,280 49 2.2%
Incl. MemUse (bytes)102,848 102,864 16 0.0%
Incl. MemUse (bytes) per call 879 879 0 0.0%
Excl. MemUse (bytes)-403,256 -403,232 24 0.0%
Incl. PeakMemUse (bytes)169,664 172,520 2,856 1.7%
Incl. PeakMemUse (bytes) per call 1,450 1,475 24 1.7%
Excl. PeakMemUse (bytes)54,584 55,032 448 0.8%

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% -510 -6.9% 273 2.6% 16 0.0% 2,856 0.1%
Exclusive Metrics Diff for Current Function2 0.4% 49 17.9% 24 150.0% 448 15.7%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -510 -100.0% 273 100.0% 16 100.0% 2,856 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -584 -114.5% 187 68.5% 0 0.0% 328 11.5%
drupal_static0 N/A% 31 6.1% 27 9.9% 0 0.0% 48 1.7%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 16 3.1% 23 8.4% 0 0.0% 0 0.0%
array_keys0 N/A% 15 2.9% 3 1.1% -8 -50.0% 1,784 62.5%
array_diff0 N/A% 9 1.8% -16 -5.9% 0 0.0% 248 8.7%
array_fill_keys0 N/A% 1 0.2% 0 0.0% 0 0.0% 0 0.0%