Diff Report
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff7de62889: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519ff693b4ca2Run #519ff7de62889DiffDiff%
Number of Function Calls80 80 0 0.0%
Incl. Wall Time (microsec)4,340 4,408 68 1.6%
Incl. Wall Time (microsec) per call 54 55 1 1.6%
Excl. Wall Time (microsec)1,514 1,537 23 1.5%
Incl. CPU (microsecs)4,207 4,283 76 1.8%
Incl. CPU (microsecs) per call 53 54 1 1.8%
Excl. CPU (microsec)1,266 1,319 53 4.2%
Incl. MemUse (bytes)59,760 59,760 0 0.0%
Incl. MemUse (bytes) per call 747 747 0 0.0%
Excl. MemUse (bytes)-76,976 -76,960 16 0.0%
Incl. PeakMemUse (bytes)59,464 59,720 256 0.4%
Incl. PeakMemUse (bytes) per call 743 747 3 0.4%
Excl. PeakMemUse (bytes)12,808 12,912 104 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% 68 6.0% 76 6.5% 0 0.0% 256 0.4%
Exclusive Metrics Diff for Current Function23 33.8% 53 69.7% 16 N/A% 104 40.6%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 72 105.9% 77 101.3% 0 N/A% 256 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -4 -5.9% -1 -1.3% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 25 36.8% 8 10.5% 0 N/A% 80 31.2%
array_keys0 N/A% 18 26.5% 15 19.7% -16 N/A% 0 0.0%
drupal_static0 N/A% 11 16.2% 6 7.9% 0 N/A% 0 0.0%
array_diff0 N/A% -7 -10.3% -6 -7.9% 0 N/A% 72 28.1%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -2 -2.9% -2 -2.6% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 2 2.6% 0 N/A% 0 0.0%