Diff Report
Run #519af3b0bf970: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519af56893788: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519af3b0bf970Run #519af56893788DiffDiff%
Number of Function Calls110 110 0 0.0%
Incl. Wall Time (microsec)4,889 4,735 -154 -3.1%
Incl. Wall Time (microsec) per call 44 43 -1 -3.1%
Excl. Wall Time (microsec)1,443 1,412 -31 -2.1%
Incl. CPU (microsecs)3,797 3,675 -122 -3.2%
Incl. CPU (microsecs) per call 35 33 -1 -3.2%
Excl. CPU (microsec)1,163 1,119 -44 -3.8%
Incl. MemUse (bytes)74,416 74,400 -16 -0.0%
Incl. MemUse (bytes) per call 677 676 -0 -0.0%
Excl. MemUse (bytes)-108,256 -108,256 0 0.0%
Incl. PeakMemUse (bytes)62,024 61,976 -48 -0.1%
Incl. PeakMemUse (bytes) per call 564 563 -0 -0.1%
Excl. PeakMemUse (bytes)10,032 10,032 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% -154 -27.9% -122 -25.8% -16 -0.0% -48 -0.1%
Exclusive Metrics Diff for Current Function-31 -20.1% -44 -36.1% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -145 -94.2% -126 -103.3% -16 -100.0% -128 -266.7%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -9 -5.8% 4 3.3% 0 0.0% 80 166.7%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -97 -63.0% -72 -59.0% 0 0.0% -80 -166.7%
drupal_static0 N/A% -19 -12.3% -25 -20.5% 0 0.0% 0 0.0%
array_diff0 N/A% -7 -4.5% 1 0.8% 0 0.0% -16 -33.3%
array_keys0 N/A% 2 1.3% 19 15.6% -16 -100.0% 48 100.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -2 -1.3% -2 -1.6% 0 0.0% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 1 0.8% 0 0.0% 0 0.0%