Diff Report
Run #52e4a222581ef: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52e4a222581efRun #52e4a1c03557cDiffDiff%
Number of Function Calls63 63 0 0.0%
Incl. Wall Time (microsec)3,489 3,465 -24 -0.7%
Incl. Wall Time (microsec) per call 55 55 -0 -0.7%
Excl. Wall Time (microsec)821 800 -21 -2.6%
Incl. CPU (microsecs)2,580 2,543 -37 -1.4%
Incl. CPU (microsecs) per call 41 40 -1 -1.4%
Excl. CPU (microsec)672 667 -5 -0.7%
Incl. MemUse (bytes)51,480 51,464 -16 -0.0%
Incl. MemUse (bytes) per call 817 817 -0 -0.0%
Excl. MemUse (bytes)-79,416 -79,432 -16 -0.0%
Incl. PeakMemUse (bytes)86,760 87,032 272 0.3%
Incl. PeakMemUse (bytes) per call 1,377 1,381 4 0.3%
Excl. PeakMemUse (bytes)14,072 14,008 -64 -0.5%

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% -24 -4.9% -37 -17.5% -16 -0.1% 272 1.0%
Exclusive Metrics Diff for Current Function-21 -87.5% -5 -13.5% -16 -100.0% -64 -23.5%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -24 -100.0% -37 -100.0% -16 -100.0% 272 100.0%
Child functions
array_keys0 N/A% -14 -58.3% -25 -67.6% 16 100.0% 64 23.5%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 6 25.0% 5 13.5% 0 0.0% 88 32.4%
array_diff0 N/A% 4 16.7% 4 10.8% 0 0.0% 0 0.0%
array_fill_keys0 N/A% 1 4.2% 0 0.0% 0 0.0% 0 0.0%
drupal_static0 N/A% 1 4.2% -12 -32.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::query0 N/A% -1 -4.2% -4 -10.8% -16 -100.0% 184 67.6%