Diff Report
Run #52e48ef364ce3: 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 #52e48ef364ce3Run #52e48e674e7b6DiffDiff%
Number of Function Calls58 58 0 0.0%
Incl. Wall Time (microsec)3,218 3,262 44 1.4%
Incl. Wall Time (microsec) per call 55 56 1 1.4%
Excl. Wall Time (microsec)1,005 1,030 25 2.5%
Incl. CPU (microsecs)2,982 3,034 52 1.7%
Incl. CPU (microsecs) per call 51 52 1 1.7%
Excl. CPU (microsec)808 844 36 4.5%
Incl. MemUse (bytes)48,016 48,016 0 0.0%
Incl. MemUse (bytes) per call 828 828 0 0.0%
Excl. MemUse (bytes)-67,840 -67,848 -8 -0.0%
Incl. PeakMemUse (bytes)73,016 73,872 856 1.2%
Incl. PeakMemUse (bytes) per call 1,259 1,274 15 1.2%
Excl. PeakMemUse (bytes)11,240 11,168 -72 -0.6%

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% 44 13.8% 52 13.1% 0 0.0% 856 2.0%
Exclusive Metrics Diff for Current Function25 56.8% 36 69.2% -8 N/A% -72 -8.4%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 44 100.0% 52 100.0% 0 N/A% 856 100.0%
Child functions
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 19 43.2% 19 36.5% 0 N/A% 0 0.0%
drupal_static0 N/A% -14 -31.8% 2 3.8% 0 N/A% 8 0.9%
array_diff0 N/A% 10 22.7% 1 1.9% 0 N/A% 40 4.7%
array_keys0 N/A% 10 22.7% 8 15.4% 8 N/A% 0 0.0%
Drupal\Core\Database\Connection::query0 N/A% -7 -15.9% -14 -26.9% 0 N/A% 880 102.8%
array_fill_keys0 N/A% 1 2.3% 0 0.0% 0 N/A% 0 0.0%