Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62091f2c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52f2e60305388Run #52f2e62091f2cDiffDiff%
Number of Function Calls97 97 0 0.0%
Incl. Wall Time (microsec)5,596 5,556 -40 -0.7%
Incl. Wall Time (microsec) per call 58 57 -0 -0.7%
Excl. Wall Time (microsec)1,401 1,475 74 5.3%
Incl. CPU (microsecs)4,376 4,416 40 0.9%
Incl. CPU (microsecs) per call 45 46 0 0.9%
Excl. CPU (microsec)1,171 1,206 35 3.0%
Incl. MemUse (bytes)72,192 72,192 0 0.0%
Incl. MemUse (bytes) per call 744 744 0 0.0%
Excl. MemUse (bytes)-123,104 -123,096 8 0.0%
Incl. PeakMemUse (bytes)90,920 91,016 96 0.1%
Incl. PeakMemUse (bytes) per call 937 938 1 0.1%
Excl. PeakMemUse (bytes)14,408 14,408 0 0.0%

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% -40 -2.9% 40 1.5% 0 0.0% 96 13.3%
Exclusive Metrics Diff for Current Function74 185.0% 35 87.5% 8 N/A% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -45 -112.5% 36 90.0% 0 N/A% 96 100.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 5 12.5% 4 10.0% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -156 -390.0% -68 -170.0% -16 N/A% 96 100.0%
array_keys0 N/A% 35 87.5% 35 87.5% 8 N/A% 0 0.0%
array_diff0 N/A% 33 82.5% 51 127.5% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -28 -70.0% -23 -57.5% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 2 5.0% -1 -2.5% 0 N/A% 0 0.0%
drupal_static0 N/A% 0 0.0% 11 27.5% 0 N/A% 0 0.0%