Diff Report
Run #54433ad6a7755: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #544333b05173f: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #54433ad6a7755Run #544333b05173fDiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)4,118 3,908 -210 -5.1%
Incl. Wall Time (microsec) per call 59 56 -3 -5.1%
Excl. Wall Time (microsec)1,337 1,224 -113 -8.5%
Incl. CPU (microsecs)3,839 3,564 -275 -7.2%
Incl. CPU (microsecs) per call 55 51 -4 -7.2%
Excl. CPU (microsec)1,116 1,052 -64 -5.7%
Incl. MemUse (bytes)58,296 58,296 0 0.0%
Incl. MemUse (bytes) per call 833 833 0 0.0%
Excl. MemUse (bytes)-97,432 -97,376 56 0.1%
Incl. PeakMemUse (bytes)60,352 60,016 -336 -0.6%
Incl. PeakMemUse (bytes) per call 862 857 -5 -0.6%
Excl. PeakMemUse (bytes)11,656 11,616 -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 Function-113 -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%