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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51abc4cb0a647Run #51abc588c7973DiffDiff%
Number of Function Calls57 57 0 0.0%
Incl. Wall Time (microsec)4,530 4,297 -233 -5.1%
Incl. Wall Time (microsec) per call 79 75 -4 -5.1%
Excl. Wall Time (microsec)965 1,000 35 3.6%
Incl. CPU (microsecs)2,985 2,960 -25 -0.8%
Incl. CPU (microsecs) per call 52 52 -0 -0.8%
Excl. CPU (microsec)800 798 -2 -0.2%
Incl. MemUse (bytes)52,640 52,640 0 0.0%
Incl. MemUse (bytes) per call 924 924 0 0.0%
Excl. MemUse (bytes)-80,416 -80,408 8 0.0%
Incl. PeakMemUse (bytes)52,800 52,768 -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 Function35 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%