Diff Report
Run #51abc563dc23f: 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 #51abc563dc23fRun #51abc4cb0a647DiffDiff%
Number of Function Calls57 57 0 0.0%
Incl. Wall Time (microsec)4,826 4,530 -296 -6.1%
Incl. Wall Time (microsec) per call 85 79 -5 -6.1%
Excl. Wall Time (microsec)992 965 -27 -2.7%
Incl. CPU (microsecs)3,097 2,985 -112 -3.6%
Incl. CPU (microsecs) per call 54 52 -2 -3.6%
Excl. CPU (microsec)790 800 10 1.3%
Incl. MemUse (bytes)52,640 52,640 0 0.0%
Incl. MemUse (bytes) per call 924 924 0 0.0%
Excl. MemUse (bytes)-80,416 -80,416 0 0.0%
Incl. PeakMemUse (bytes)52,800 52,800 0 0.0%
Incl. PeakMemUse (bytes) per call 926 926 0 0.0%
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% -296 -145.8% -112 -91.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-27 -9.1% 10 8.9% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -317 -107.1% -120 -107.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 21 7.1% 8 7.1% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -240 -81.1% -79 -70.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -30 -10.1% -32 -28.6% 0 N/A% 0 N/A%
drupal_static0 N/A% -11 -3.7% -4 -3.6% 0 N/A% 0 N/A%
array_diff0 N/A% 7 2.4% 4 3.6% 0 N/A% 0 N/A%
array_keys0 N/A% 5 1.7% -9 -8.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% -2 -1.8% 0 N/A% 0 N/A%