Diff Report
Run #517d7587ada9c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d750163e11: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #517d7587ada9cRun #517d750163e11DiffDiff%
Number of Function Calls65 65 0 0.0%
Incl. Wall Time (microsec)4,940 4,750 -190 -3.8%
Incl. Wall Time (microsec) per call 76 73 -3 -3.8%
Excl. Wall Time (microsec)1,034 1,014 -20 -1.9%
Incl. CPU (microsecs)3,263 3,206 -57 -1.7%
Incl. CPU (microsecs) per call 50 49 -1 -1.7%
Excl. CPU (microsec)862 834 -28 -3.2%
Incl. MemUse (bytes)52,440 52,480 40 0.1%
Incl. MemUse (bytes) per call 807 807 1 0.1%
Excl. MemUse (bytes)-87,192 -87,624 -432 -0.5%
Incl. PeakMemUse (bytes)82,624 82,416 -208 -0.3%
Incl. PeakMemUse (bytes) per call 1,271 1,268 -3 -0.3%
Excl. PeakMemUse (bytes)13,880 14,256 376 2.7%

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% -190 -2.3% -57 -0.6% 40 0.4% -208 -1.9%
Exclusive Metrics Diff for Current Function-20 -10.5% -28 -49.1% -432 -1080.0% 376 180.8%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -184 -96.8% -50 -87.7% 40 100.0% -208 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -6 -3.2% -7 -12.3% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -155 -81.6% -18 -31.6% 8 20.0% -512 -246.2%
array_keys0 N/A% -19 -10.0% -22 -38.6% 448 1120.0% 16 7.7%
array_diff0 N/A% 13 6.8% 27 47.4% 0 0.0% -96 -46.2%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -10 -5.3% -6 -10.5% 16 40.0% 8 3.8%
drupal_static0 N/A% 1 0.5% -10 -17.5% 0 0.0% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%