Diff Report
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51978d4d92dd9Run #51978cc86c728DiffDiff%
Number of Function Calls94 93 -1 -1.1%
Incl. Wall Time (microsec)5,803 5,575 -228 -3.9%
Incl. Wall Time (microsec) per call 62 60 -2 -2.9%
Excl. Wall Time (microsec)1,512 1,524 12 0.8%
Incl. CPU (microsecs)3,964 3,894 -70 -1.8%
Incl. CPU (microsecs) per call 42 42 -0 -0.7%
Excl. CPU (microsec)1,236 1,280 44 3.6%
Incl. MemUse (bytes)69,720 69,200 -520 -0.7%
Incl. MemUse (bytes) per call 742 744 2 0.3%
Excl. MemUse (bytes)-106,648 -105,040 1,608 1.5%
Incl. PeakMemUse (bytes)94,192 92,216 -1,976 -2.1%
Incl. PeakMemUse (bytes) per call 1,002 992 -10 -1.0%
Excl. PeakMemUse (bytes)21,752 21,360 -392 -1.8%

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::checksumTags-1 -25.0% -228 -91.6% -70 -57.9% -520 -2.4% -1,976 -8.5%
Exclusive Metrics Diff for Current Function12 5.3% 44 62.9% 1,608 309.2% -392 -19.8%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -100.0% -137 -60.1% -56 -80.0% -520 -100.0% -1,976 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 0.0% -91 -39.9% -14 -20.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 0.0% -226 -99.1% -82 -117.1% 0 0.0% 56 2.8%
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% -23 -10.1% -25 -35.7% 0 0.0% 0 0.0%
drupal_static-1 -33.3% 9 3.9% 0 0.0% 0 0.0% -48 -2.4%
array_fill_keys0 0.0% 0 0.0% -2 -2.9% 0 0.0% 0 0.0%
array_diff-1 -33.3% 0 0.0% 0 0.0% -88 -16.9% -128 -6.5%
array_keys-1 -33.3% 0 0.0% -5 -7.1% -2,040 -392.3% -1,464 -74.1%