Diff Report
Run #518b15389813f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518b13c95a609: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #518b15389813fRun #518b13c95a609DiffDiff%
Number of Function Calls132 130 -2 -1.5%
Incl. Wall Time (microsec)6,227 5,906 -321 -5.2%
Incl. Wall Time (microsec) per call 47 45 -2 -3.7%
Excl. Wall Time (microsec)1,759 1,741 -18 -1.0%
Incl. CPU (microsecs)4,407 4,296 -111 -2.5%
Incl. CPU (microsecs) per call 33 33 -0 -1.0%
Excl. CPU (microsec)1,465 1,397 -68 -4.6%
Incl. MemUse (bytes)85,160 84,184 -976 -1.1%
Incl. MemUse (bytes) per call 645 648 2 0.4%
Excl. MemUse (bytes)-147,392 -144,064 3,328 2.3%
Incl. PeakMemUse (bytes)97,904 95,488 -2,416 -2.5%
Incl. PeakMemUse (bytes) per call 742 735 -7 -1.0%
Excl. PeakMemUse (bytes)18,592 17,248 -1,344 -7.2%

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-2 -25.0% -321 -1.6% -111 -0.6% -976 -0.9% -2,416 -1.2%
Exclusive Metrics Diff for Current Function-18 -5.6% -68 -61.3% 3,328 341.0% -1,344 -55.6%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem-2 -100.0% -428 -133.3% -126 -113.5% -976 -100.0% -2,624 -108.6%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 0.0% 107 33.3% 15 13.5% 0 0.0% 208 8.6%
Child functions
Drupal\Core\Database\Connection::query0 0.0% -243 -75.7% -28 -25.2% 0 0.0% 0 0.0%
array_keys-2 -33.3% -52 -16.2% -33 -29.7% -4,128 -423.0% -904 -37.4%
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% 14 4.4% 13 11.7% 0 0.0% 0 0.0%
drupal_static-2 -33.3% -12 -3.7% 5 4.5% 0 0.0% -48 -2.0%
array_diff-2 -33.3% -10 -3.1% 3 2.7% -176 -18.0% -120 -5.0%
array_fill_keys0 0.0% 0 0.0% -3 -2.7% 0 0.0% 0 0.0%