Diff Report
Run #519dd95192eac: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519dd86a86681: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519dd95192eacRun #519dd86a86681DiffDiff%
Number of Function Calls130 130 0 0.0%
Incl. Wall Time (microsec)6,160 6,667 507 8.2%
Incl. Wall Time (microsec) per call 47 51 4 8.2%
Excl. Wall Time (microsec)1,717 1,801 84 4.9%
Incl. CPU (microsecs)4,266 4,423 157 3.7%
Incl. CPU (microsecs) per call 33 34 1 3.7%
Excl. CPU (microsec)1,404 1,490 86 6.1%
Incl. MemUse (bytes)84,240 84,240 0 0.0%
Incl. MemUse (bytes) per call 648 648 0 0.0%
Excl. MemUse (bytes)-105,728 -105,728 0 0.0%
Incl. PeakMemUse (bytes)59,296 59,296 0 0.0%
Incl. PeakMemUse (bytes) per call 456 456 0 0.0%
Excl. PeakMemUse (bytes)9,256 9,256 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% 507 43.9% 157 33.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function84 16.6% 86 54.8% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 503 99.2% 159 101.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 4 0.8% -2 -1.3% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 356 70.2% 3 1.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 29 5.7% 27 17.2% 0 N/A% 0 N/A%
array_diff0 N/A% 17 3.4% 25 15.9% 0 N/A% 0 N/A%
array_keys0 N/A% 10 2.0% 10 6.4% 0 N/A% 0 N/A%
drupal_static0 N/A% 9 1.8% 3 1.9% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 2 0.4% 3 1.9% 0 N/A% 0 N/A%