Diff Report
Run #517d51ae434de: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d525cbaeb1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #517d51ae434deRun #517d525cbaeb1DiffDiff%
Number of Function Calls65 65 0 0.0%
Incl. Wall Time (microsec)4,971 4,966 -5 -0.1%
Incl. Wall Time (microsec) per call 76 76 -0 -0.1%
Excl. Wall Time (microsec)1,013 1,013 0 0.0%
Incl. CPU (microsecs)3,246 3,229 -17 -0.5%
Incl. CPU (microsecs) per call 50 50 -0 -0.5%
Excl. CPU (microsec)842 834 -8 -1.0%
Incl. MemUse (bytes)52,472 52,440 -32 -0.1%
Incl. MemUse (bytes) per call 807 807 -0 -0.1%
Excl. MemUse (bytes)-87,616 -87,208 408 0.5%
Incl. PeakMemUse (bytes)82,416 82,696 280 0.3%
Incl. PeakMemUse (bytes) per call 1,268 1,272 4 0.3%
Excl. PeakMemUse (bytes)14,256 14,008 -248 -1.7%

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% -5 -0.1% -17 -0.3% -32 -0.5% 280 4.6%
Exclusive Metrics Diff for Current Function0 0.0% -8 -47.1% 408 1275.0% -248 -88.6%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -22 -440.0% -33 -194.1% -32 -100.0% 280 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 17 340.0% 16 94.1% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -16 -320.0% -25 -147.1% -8 -25.0% -8 -2.9%
Drupal\Core\Database\Connection::query0 N/A% 16 320.0% 16 94.1% -8 -25.0% 440 157.1%
drupal_static0 N/A% -4 -80.0% -9 -52.9% 0 0.0% 24 8.6%
array_keys0 N/A% -1 -20.0% 8 47.1% -424 -1325.0% -24 -8.6%
array_fill_keys0 N/A% 0 0.0% -5 -29.4% 0 0.0% 0 0.0%
array_diff0 N/A% 0 0.0% 6 35.3% 0 0.0% 96 34.3%