Diff Report
Run #52e48ec52134e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e48e674e7b6: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52e48ec52134eRun #52e48e674e7b6DiffDiff%
Number of Function Calls58 58 0 0.0%
Incl. Wall Time (microsec)3,499 3,262 -237 -6.8%
Incl. Wall Time (microsec) per call 60 56 -4 -6.8%
Excl. Wall Time (microsec)1,042 1,030 -12 -1.2%
Incl. CPU (microsecs)3,222 3,034 -188 -5.8%
Incl. CPU (microsecs) per call 56 52 -3 -5.8%
Excl. CPU (microsec)858 844 -14 -1.6%
Incl. MemUse (bytes)48,016 48,016 0 0.0%
Incl. MemUse (bytes) per call 828 828 0 0.0%
Excl. MemUse (bytes)-67,848 -67,848 0 0.0%
Incl. PeakMemUse (bytes)73,872 73,872 0 0.0%
Incl. PeakMemUse (bytes) per call 1,274 1,274 0 0.0%
Excl. PeakMemUse (bytes)11,168 11,168 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% -237 -34.7% -188 -30.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-12 -5.1% -14 -7.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -237 -100.0% -188 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -136 -57.4% -103 -54.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -39 -16.5% -40 -21.3% 0 N/A% 0 N/A%
drupal_static0 N/A% -23 -9.7% -8 -4.3% 0 N/A% 0 N/A%
array_keys0 N/A% -16 -6.8% -11 -5.9% 0 N/A% 0 N/A%
array_diff0 N/A% -12 -5.1% -10 -5.3% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 1 0.4% -2 -1.1% 0 N/A% 0 N/A%