Diff Report
Run #5178989df1d0f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517896dc57c6e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5178989df1d0fRun #517896dc57c6eDiffDiff%
Number of Function Calls134 134 0 0.0%
Incl. Wall Time (microsec)6,159 6,077 -82 -1.3%
Incl. Wall Time (microsec) per call 46 45 -1 -1.3%
Excl. Wall Time (microsec)1,791 1,735 -56 -3.1%
Incl. CPU (microsecs)4,583 4,498 -85 -1.9%
Incl. CPU (microsecs) per call 34 34 -1 -1.9%
Excl. CPU (microsec)1,491 1,468 -23 -1.5%
Incl. MemUse (bytes)86,184 86,168 -16 -0.0%
Incl. MemUse (bytes) per call 643 643 -0 -0.0%
Excl. MemUse (bytes)-166,144 -166,112 32 0.0%
Incl. PeakMemUse (bytes)90,920 90,808 -112 -0.1%
Incl. PeakMemUse (bytes) per call 679 678 -1 -0.1%
Excl. PeakMemUse (bytes)16,768 16,768 0 0.0%

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% -82 -2.0% -85 -1.7% -16 -0.3% -112 -1.9%
Exclusive Metrics Diff for Current Function-56 -68.3% -23 -27.1% 32 200.0% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -79 -96.3% -77 -90.6% -16 -100.0% -112 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -3 -3.7% -8 -9.4% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -18 -22.0% -25 -29.4% 0 0.0% -64 -57.1%
drupal_static0 N/A% -8 -9.8% -21 -24.7% 0 0.0% 0 0.0%
array_diff0 N/A% 8 9.8% -12 -14.1% 0 0.0% 0 0.0%
array_keys0 N/A% -5 -6.1% 0 0.0% -48 -300.0% -48 -42.9%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -3 -3.7% -6 -7.1% 0 0.0% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 2 2.4% 0 0.0% 0 0.0%