Diff Report
Run #52e49caf3c7f2: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e49d73f02cb: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52e49caf3c7f2Run #52e49d73f02cbDiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)3,998 4,197 199 5.0%
Incl. Wall Time (microsec) per call 57 60 3 5.0%
Excl. Wall Time (microsec)1,240 1,356 116 9.4%
Incl. CPU (microsecs)3,697 3,913 216 5.8%
Incl. CPU (microsecs) per call 53 56 3 5.8%
Excl. CPU (microsec)977 1,126 149 15.3%
Incl. MemUse (bytes)55,624 55,608 -16 -0.0%
Incl. MemUse (bytes) per call 795 794 -0 -0.0%
Excl. MemUse (bytes)-94,776 -94,792 -16 -0.0%
Incl. PeakMemUse (bytes)83,944 82,904 -1,040 -1.2%
Incl. PeakMemUse (bytes) per call 1,199 1,184 -15 -1.2%
Excl. PeakMemUse (bytes)14,104 13,704 -400 -2.8%

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% 199 7.9% 216 10.6% -16 -0.0% -1,040 -1.6%
Exclusive Metrics Diff for Current Function116 58.3% 149 69.0% -16 -100.0% -400 -38.5%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 199 100.0% 216 100.0% -16 -100.0% -1,040 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 48 24.1% 69 31.9% 0 0.0% -528 -50.8%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 34 17.1% 34 15.7% 8 50.0% 0 0.0%
array_diff0 N/A% -5 -2.5% -30 -13.9% 0 0.0% -80 -7.7%
drupal_static0 N/A% 5 2.5% -8 -3.7% 0 0.0% 0 0.0%
array_keys0 N/A% 1 0.5% 7 3.2% -8 -50.0% -32 -3.1%
array_fill_keys0 N/A% 0 0.0% -5 -2.3% 0 0.0% 0 0.0%