Diff Report
Run #521962a927d49: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5219624c55207: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #521962a927d49Run #5219624c55207DiffDiff%
Number of Function Calls71 71 0 0.0%
Incl. Wall Time (microsec)3,776 3,671 -105 -2.8%
Incl. Wall Time (microsec) per call 53 52 -1 -2.8%
Excl. Wall Time (microsec)995 1,019 24 2.4%
Incl. CPU (microsecs)2,558 2,491 -67 -2.6%
Incl. CPU (microsecs) per call 36 35 -1 -2.6%
Excl. CPU (microsec)778 833 55 7.1%
Incl. MemUse (bytes)51,856 51,856 0 0.0%
Incl. MemUse (bytes) per call 730 730 0 0.0%
Excl. MemUse (bytes)-44,864 -44,752 112 0.2%
Incl. PeakMemUse (bytes)52,000 52,216 216 0.4%
Incl. PeakMemUse (bytes) per call 732 735 3 0.4%
Excl. PeakMemUse (bytes)8,776 8,840 64 0.7%

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% -105 -22.6% -67 -7.1% 0 0.0% 216 0.7%
Exclusive Metrics Diff for Current Function24 22.9% 55 82.1% 112 N/A% 64 29.6%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -106 -101.0% -67 -100.0% 0 N/A% 216 100.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 1 1.0% 0 0.0% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -70 -66.7% -50 -74.6% -16 N/A% -192 -88.9%
array_keys0 N/A% -58 -55.2% -58 -86.6% -96 N/A% 152 70.4%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -29 -27.6% -28 -41.8% 0 N/A% 0 0.0%
array_diff0 N/A% 14 13.3% 11 16.4% 0 N/A% 120 55.6%
drupal_static0 N/A% 14 13.3% 4 6.0% 0 N/A% 72 33.3%
array_fill_keys0 N/A% 0 0.0% -1 -1.5% 0 N/A% 0 0.0%