Diff Report
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519bea2c59e7a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519be9a13e594Run #519bea2c59e7aDiffDiff%
Number of Function Calls103 103 0 0.0%
Incl. Wall Time (microsec)7,716 7,987 271 3.5%
Incl. Wall Time (microsec) per call 75 78 3 3.5%
Excl. Wall Time (microsec)2,085 2,062 -23 -1.1%
Incl. CPU (microsecs)5,445 5,383 -62 -1.1%
Incl. CPU (microsecs) per call 53 52 -1 -1.1%
Excl. CPU (microsec)1,818 1,817 -1 -0.1%
Incl. MemUse (bytes)41,228 41,228 0 0.0%
Incl. MemUse (bytes) per call 400 400 0 0.0%
Excl. MemUse (bytes)-48,516 -48,516 0 0.0%
Incl. PeakMemUse (bytes)43,332 43,332 0 0.0%
Incl. PeakMemUse (bytes) per call 421 421 0 0.0%
Excl. PeakMemUse (bytes)11,952 11,952 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% 271 22.6% -62 -147.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-23 -8.5% -1 -1.6% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 314 115.9% -54 -87.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -43 -15.9% -8 -12.9% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 299 110.3% -46 -74.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -4 -1.5% -2 -3.2% 0 N/A% 0 N/A%
drupal_static0 N/A% -4 -1.5% -16 -25.8% 0 N/A% 0 N/A%
array_keys0 N/A% 2 0.7% 5 8.1% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 1 0.4% 0 0.0% 0 N/A% 0 N/A%
array_diff0 N/A% 0 0.0% -2 -3.2% 0 N/A% 0 N/A%