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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52e48e674e7b6Run #52e48ec52134eDiffDiff%
Number of Function Calls58 58 0 0.0%
Incl. Wall Time (microsec)3,262 3,499 237 7.3%
Incl. Wall Time (microsec) per call 56 60 4 7.3%
Excl. Wall Time (microsec)1,030 1,042 12 1.2%
Incl. CPU (microsecs)3,034 3,222 188 6.2%
Incl. CPU (microsecs) per call 52 56 3 6.2%
Excl. CPU (microsec)844 858 14 1.7%
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 Function12 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%