Diff Report
Run #51abc588c7973: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51abc4cb0a647: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51abc588c7973Run #51abc4cb0a647DiffDiff%
Number of Function Calls57 57 0 0.0%
Incl. Wall Time (microsec)4,297 4,530 233 5.4%
Incl. Wall Time (microsec) per call 75 79 4 5.4%
Excl. Wall Time (microsec)1,000 965 -35 -3.5%
Incl. CPU (microsecs)2,960 2,985 25 0.8%
Incl. CPU (microsecs) per call 52 52 0 0.8%
Excl. CPU (microsec)798 800 2 0.3%
Incl. MemUse (bytes)52,640 52,640 0 0.0%
Incl. MemUse (bytes) per call 924 924 0 0.0%
Excl. MemUse (bytes)-80,408 -80,416 -8 -0.0%
Incl. PeakMemUse (bytes)52,768 52,800 32 0.1%
Incl. PeakMemUse (bytes) per call 926 926 1 0.1%
Excl. PeakMemUse (bytes)8,624 8,624 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% 233 423.6% 25 1.5% 0 0.0% 32 0.1%
Exclusive Metrics Diff for Current Function-35 -15.0% 2 8.0% -8 N/A% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 165 70.8% 38 152.0% 0 N/A% 32 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 68 29.2% -13 -52.0% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 224 96.1% 0 0.0% 0 N/A% 0 0.0%
array_keys0 N/A% 50 21.5% 48 192.0% 8 N/A% 32 100.0%
drupal_static0 N/A% -14 -6.0% -23 -92.0% 0 N/A% 0 0.0%
array_diff0 N/A% 7 3.0% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 1 0.4% 0 0.0% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% -2 -8.0% 0 N/A% 0 0.0%