Diff Report
Run #544333b05173f: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #54433ad6a7755: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #544333b05173fRun #54433ad6a7755DiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)3,908 4,118 210 5.4%
Incl. Wall Time (microsec) per call 56 59 3 5.4%
Excl. Wall Time (microsec)1,224 1,337 113 9.2%
Incl. CPU (microsecs)3,564 3,839 275 7.7%
Incl. CPU (microsecs) per call 51 55 4 7.7%
Excl. CPU (microsec)1,052 1,116 64 6.1%
Incl. MemUse (bytes)58,296 58,296 0 0.0%
Incl. MemUse (bytes) per call 833 833 0 0.0%
Excl. MemUse (bytes)-97,376 -97,432 -56 -0.1%
Incl. PeakMemUse (bytes)60,016 60,352 336 0.6%
Incl. PeakMemUse (bytes) per call 857 862 5 0.6%
Excl. PeakMemUse (bytes)11,616 11,656 40 0.3%

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% 210 0.2% 275 0.3% 0 0.0% 336 0.6%
Exclusive Metrics Diff for Current Function113 53.8% 64 23.3% -56 N/A% 40 11.9%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 210 100.0% 275 100.0% 0 N/A% 336 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 56 26.7% 131 47.6% 16 N/A% 200 59.5%
array_keys0 N/A% 28 13.3% 38 13.8% 40 N/A% 40 11.9%
drupal_static0 N/A% 21 10.0% 39 14.2% 0 N/A% 24 7.1%
array_diff0 N/A% -17 -8.1% -10 -3.6% 0 N/A% 32 9.5%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 13 6.2% 19 6.9% 0 N/A% 0 0.0%
array_fill_keys0 N/A% -4 -1.9% -6 -2.2% 0 N/A% 0 0.0%