Diff Report
Run #52f5c520502f0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c574bebaf: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52f5c520502f0Run #52f5c574bebafDiffDiff%
Number of Function Calls69 69 0 0.0%
Incl. Wall Time (microsec)2,554 2,522 -32 -1.3%
Incl. Wall Time (microsec) per call 37 37 -0 -1.3%
Excl. Wall Time (microsec)706 716 10 1.4%
Incl. CPU (microsecs)2,008 1,969 -39 -1.9%
Incl. CPU (microsecs) per call 29 29 -1 -1.9%
Excl. CPU (microsec)567 592 25 4.4%
Incl. MemUse (bytes)55,000 55,000 0 0.0%
Incl. MemUse (bytes) per call 797 797 0 0.0%
Excl. MemUse (bytes)-60,256 -60,272 -16 -0.0%
Incl. PeakMemUse (bytes)81,176 81,432 256 0.3%
Incl. PeakMemUse (bytes) per call 1,176 1,180 4 0.3%
Excl. PeakMemUse (bytes)17,568 17,584 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% -32 -139.1% -39 -42.4% 0 0.0% 256 0.6%
Exclusive Metrics Diff for Current Function10 31.2% 25 64.1% -16 N/A% 16 6.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -32 -100.0% -39 -100.0% 0 N/A% 256 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -23 -71.9% -31 -79.5% 8 N/A% 344 134.4%
array_keys0 N/A% -7 -21.9% -9 -23.1% 8 N/A% -72 -28.1%
array_diff0 N/A% -6 -18.8% -14 -35.9% 0 N/A% -32 -12.5%
drupal_static0 N/A% -3 -9.4% -4 -10.3% 0 N/A% 0 0.0%
array_fill_keys0 N/A% -3 -9.4% -5 -12.8% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 0 0.0% -1 -2.6% 0 N/A% 0 0.0%