Diff Report
Run #5198f1db1bc51: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f0bb880ef: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5198f1db1bc51Run #5198f0bb880efDiffDiff%
Number of Function Calls108 107 -1 -0.9%
Incl. Wall Time (microsec)7,039 6,869 -170 -2.4%
Incl. Wall Time (microsec) per call 65 64 -1 -1.5%
Excl. Wall Time (microsec)1,755 1,707 -48 -2.7%
Incl. CPU (microsecs)4,655 4,605 -50 -1.1%
Incl. CPU (microsecs) per call 43 43 -0 -0.1%
Excl. CPU (microsec)1,461 1,448 -13 -0.9%
Incl. MemUse (bytes)75,168 74,680 -488 -0.6%
Incl. MemUse (bytes) per call 696 698 2 0.3%
Excl. MemUse (bytes)-129,448 -127,360 2,088 1.6%
Incl. PeakMemUse (bytes)75,304 75,568 264 0.4%
Incl. PeakMemUse (bytes) per call 697 706 9 1.3%
Excl. PeakMemUse (bytes)17,688 18,848 1,160 6.6%

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% -170 -10.6% -50 -2.3% -488 -1.7% 264 0.7%
Exclusive Metrics Diff for Current Function-48 -28.2% -13 -26.0% 2,088 427.9% 1,160 439.4%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -100.0% -181 -106.5% -62 -124.0% -488 -100.0% 264 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 0.0% 11 6.5% 12 24.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 0.0% -114 -67.1% -1 -2.0% 0 0.0% -72 -27.3%
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% -24 -14.1% -20 -40.0% 0 0.0% 0 0.0%
array_keys-1 -33.3% 10 5.9% -14 -28.0% -2,488 -509.8% -736 -278.8%
array_diff-1 -33.3% 9 5.3% 1 2.0% -88 -18.0% -88 -33.3%
drupal_static-1 -33.3% -3 -1.8% -10 -20.0% 0 0.0% 0 0.0%
array_fill_keys0 0.0% 0 0.0% 7 14.0% 0 0.0% 0 0.0%