Diff Report
Run #526a239923027: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #526a240c73a50: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #526a239923027Run #526a240c73a50DiffDiff%
Number of Function Calls63 63 0 0.0%
Incl. Wall Time (microsec)4,972 4,610 -362 -7.3%
Incl. Wall Time (microsec) per call 79 73 -6 -7.3%
Excl. Wall Time (microsec)1,193 1,111 -82 -6.9%
Incl. CPU (microsecs)3,717 3,513 -204 -5.5%
Incl. CPU (microsecs) per call 59 56 -3 -5.5%
Excl. CPU (microsec)1,005 925 -80 -8.0%
Incl. MemUse (bytes)54,352 54,360 8 0.0%
Incl. MemUse (bytes) per call 863 863 0 0.0%
Excl. MemUse (bytes)-91,568 -91,536 32 0.0%
Incl. PeakMemUse (bytes)99,272 99,256 -16 -0.0%
Incl. PeakMemUse (bytes) per call 1,576 1,575 -0 -0.0%
Excl. PeakMemUse (bytes)20,712 20,696 -16 -0.1%

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% -362 -1064.7% -204 -123.6% 8 0.0% -16 -0.0%
Exclusive Metrics Diff for Current Function-82 -22.7% -80 -39.2% 32 400.0% -16 -100.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -362 -100.0% -204 -100.0% 8 100.0% -16 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -249 -68.8% -92 -45.1% 0 0.0% 88 550.0%
array_keys0 N/A% -22 -6.1% -16 -7.8% -32 -400.0% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -10 -2.8% -10 -4.9% 8 100.0% 8 50.0%
array_diff0 N/A% 4 1.1% -6 -2.9% 0 0.0% -104 -650.0%
array_fill_keys0 N/A% -2 -0.6% -2 -1.0% 0 0.0% 0 0.0%
drupal_static0 N/A% -1 -0.3% 2 1.0% 0 0.0% 8 50.0%