Diff Report
Run #531ee5f3237b0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ee657ba49e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #531ee5f3237b0Run #531ee657ba49eDiffDiff%
Number of Function Calls82 83 1 1.2%
Incl. Wall Time (microsec)5,033 4,952 -81 -1.6%
Incl. Wall Time (microsec) per call 61 60 -2 -2.8%
Excl. Wall Time (microsec)1,177 1,125 -52 -4.4%
Incl. CPU (microsecs)3,701 3,619 -82 -2.2%
Incl. CPU (microsecs) per call 45 44 -2 -3.4%
Excl. CPU (microsec)967 905 -62 -6.4%
Incl. MemUse (bytes)71,624 72,144 520 0.7%
Incl. MemUse (bytes) per call 873 869 -4 -0.5%
Excl. MemUse (bytes)-191,784 -191,992 -208 -0.1%
Incl. PeakMemUse (bytes)130,160 125,264 -4,896 -3.8%
Incl. PeakMemUse (bytes) per call 1,587 1,509 -78 -4.9%
Excl. PeakMemUse (bytes)32,832 31,144 -1,688 -5.1%

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::checksumTags1 25.0% -81 -3.2% -82 -2.7% 520 0.7% -4,896 -6.3%
Exclusive Metrics Diff for Current Function-52 -64.2% -62 -75.6% -208 -40.0% -1,688 -34.5%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem1 100.0% -81 -100.0% -82 -100.0% 520 100.0% -4,896 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 0.0% -32 -39.5% -26 -31.7% -24 -4.6% -56 -1.1%
array_keys1 33.3% -23 -28.4% -26 -31.7% 664 127.7% -3,032 -61.9%
drupal_static1 33.3% 20 24.7% 17 20.7% 0 0.0% 0 0.0%
array_diff1 33.3% 14 17.3% 14 17.1% 88 16.9% -120 -2.5%
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% -10 -12.3% -5 -6.1% 0 0.0% 0 0.0%
array_fill_keys0 0.0% 2 2.5% 6 7.3% 0 0.0% 0 0.0%