Diff Report
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9d94433aa: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519d9cf28420eRun #519d9d94433aaDiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)6,293 6,460 167 2.7%
Incl. Wall Time (microsec) per call 54 56 1 2.7%
Excl. Wall Time (microsec)1,615 1,676 61 3.8%
Incl. CPU (microsecs)4,633 4,747 114 2.5%
Incl. CPU (microsecs) per call 40 41 1 2.5%
Excl. CPU (microsec)1,347 1,409 62 4.6%
Incl. MemUse (bytes)81,936 81,952 16 0.0%
Incl. MemUse (bytes) per call 706 706 0 0.0%
Excl. MemUse (bytes)-122,960 -123,000 -40 -0.0%
Incl. PeakMemUse (bytes)84,176 84,688 512 0.6%
Incl. PeakMemUse (bytes) per call 726 730 4 0.6%
Excl. PeakMemUse (bytes)20,520 20,520 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% 167 6.6% 114 12.1% 16 0.0% 512 0.7%
Exclusive Metrics Diff for Current Function61 36.5% 62 54.4% -40 -250.0% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 88 52.7% 133 116.7% 16 100.0% 480 93.8%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 80 47.9% -18 -15.8% 0 0.0% 32 6.2%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -1 -0.6% -1 -0.9% 0 0.0% 0 0.0%
Child functions
array_diff0 N/A% 55 32.9% 55 48.2% 0 0.0% 24 4.7%
Drupal\Core\Database\Connection::query0 N/A% 41 24.6% -7 -6.1% 24 150.0% 1,280 250.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 12 7.2% 13 11.4% 16 100.0% 16 3.1%
array_keys0 N/A% -11 -6.6% -10 -8.8% 16 100.0% -792 -154.7%
drupal_static0 N/A% 9 5.4% 0 0.0% 0 0.0% -16 -3.1%
array_fill_keys0 N/A% 0 0.0% 1 0.9% 0 0.0% 0 0.0%