Diff Report
Run #52ed72044139b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52ed7448d018c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52ed72044139bRun #52ed7448d018cDiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)7,009 6,844 -165 -2.4%
Incl. Wall Time (microsec) per call 91 89 -2 -2.4%
Excl. Wall Time (microsec)1,955 1,933 -22 -1.1%
Incl. CPU (microsecs)6,592 6,459 -133 -2.0%
Incl. CPU (microsecs) per call 86 84 -2 -2.0%
Excl. CPU (microsec)1,695 1,657 -38 -2.2%
Incl. MemUse (bytes)60,728 60,736 8 0.0%
Incl. MemUse (bytes) per call 789 789 0 0.0%
Excl. MemUse (bytes)-116,304 -116,216 88 0.1%
Incl. PeakMemUse (bytes)66,968 65,248 -1,720 -2.6%
Incl. PeakMemUse (bytes) per call 870 847 -22 -2.6%
Excl. PeakMemUse (bytes)14,272 14,080 -192 -1.3%

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% -165 -0.3% -133 -0.3% 8 0.0% -1,720 -0.7%
Exclusive Metrics Diff for Current Function-22 -13.3% -38 -28.6% 88 1100.0% -192 -11.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -165 -100.0% -133 -100.0% 8 100.0% -1,720 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -89 -53.9% -50 -37.6% 8 100.0% -856 -49.8%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -58 -35.2% -61 -45.9% 24 300.0% 16 0.9%
array_keys0 N/A% 26 15.8% 28 21.1% -112 -1400.0% -624 -36.3%
drupal_static0 N/A% -16 -9.7% -5 -3.8% 0 0.0% -48 -2.8%
array_diff0 N/A% -7 -4.2% -9 -6.8% 0 0.0% -16 -0.9%
array_fill_keys0 N/A% 1 0.6% 2 1.5% 0 0.0% 0 0.0%