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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52e49d73f02cbRun #52e49caf3c7f2DiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)4,197 3,998 -199 -4.7%
Incl. Wall Time (microsec) per call 60 57 -3 -4.7%
Excl. Wall Time (microsec)1,356 1,240 -116 -8.6%
Incl. CPU (microsecs)3,913 3,697 -216 -5.5%
Incl. CPU (microsecs) per call 56 53 -3 -5.5%
Excl. CPU (microsec)1,126 977 -149 -13.2%
Incl. MemUse (bytes)55,608 55,624 16 0.0%
Incl. MemUse (bytes) per call 794 795 0 0.0%
Excl. MemUse (bytes)-94,792 -94,776 16 0.0%
Incl. PeakMemUse (bytes)82,904 83,944 1,040 1.3%
Incl. PeakMemUse (bytes) per call 1,184 1,199 15 1.3%
Excl. PeakMemUse (bytes)13,704 14,104 400 2.9%

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 Function-116 -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%