Diff Report
Run #51ba929760d1b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51ba946b609ed: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51ba929760d1bRun #51ba946b609edDiffDiff%
Number of Function Calls43 43 0 0.0%
Incl. Wall Time (microsec)4,067 4,136 69 1.7%
Incl. Wall Time (microsec) per call 95 96 2 1.7%
Excl. Wall Time (microsec)780 816 36 4.6%
Incl. CPU (microsecs)2,540 2,616 76 3.0%
Incl. CPU (microsecs) per call 59 61 2 3.0%
Excl. CPU (microsec)619 668 49 7.9%
Incl. MemUse (bytes)39,704 39,824 120 0.3%
Incl. MemUse (bytes) per call 923 926 3 0.3%
Excl. MemUse (bytes)-39,736 -42,592 -2,856 -7.2%
Incl. PeakMemUse (bytes)30,768 19,344 -11,424 -37.1%
Incl. PeakMemUse (bytes) per call 716 450 -266 -37.1%
Excl. PeakMemUse (bytes)4,448 3,368 -1,080 -24.3%

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% 69 0.0% 76 0.0% 120 0.0% -11,424 -0.0%
Exclusive Metrics Diff for Current Function36 52.2% 49 64.5% -2,856 -2380.0% -1,080 -9.5%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 69 100.0% 76 100.0% 120 100.0% -11,424 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -31 -44.9% -30 -39.5% -32 -26.7% -8,144 -71.3%
array_keys0 N/A% 25 36.2% 14 18.4% 2,976 2480.0% -1,704 -14.9%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 24 34.8% 24 31.6% 24 20.0% 96 0.8%
drupal_static0 N/A% 9 13.0% 17 22.4% 0 0.0% -96 -0.8%
array_diff0 N/A% 6 8.7% -3 -3.9% 8 6.7% -496 -4.3%
array_fill_keys0 N/A% 0 0.0% 5 6.6% 0 0.0% 0 0.0%