Diff Report
Run #518e77f228c59: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518e79c023047: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #518e77f228c59Run #518e79c023047DiffDiff%
Number of Function Calls75 75 0 0.0%
Incl. Wall Time (microsec)5,246 5,464 218 4.2%
Incl. Wall Time (microsec) per call 70 73 3 4.2%
Excl. Wall Time (microsec)1,220 1,260 40 3.3%
Incl. CPU (microsecs)3,537 3,588 51 1.4%
Incl. CPU (microsecs) per call 47 48 1 1.4%
Excl. CPU (microsec)998 1,055 57 5.7%
Incl. MemUse (bytes)59,864 59,880 16 0.0%
Incl. MemUse (bytes) per call 798 798 0 0.0%
Excl. MemUse (bytes)-96,640 -96,648 -8 -0.0%
Incl. PeakMemUse (bytes)110,360 110,336 -24 -0.0%
Incl. PeakMemUse (bytes) per call 1,471 1,471 -0 -0.0%
Excl. PeakMemUse (bytes)24,232 24,248 16 0.1%

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% 218 40.2% 51 6.4% 16 0.0% -24 -0.1%
Exclusive Metrics Diff for Current Function40 18.3% 57 111.8% -8 -50.0% 16 66.7%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 198 90.8% 57 111.8% 16 100.0% -24 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 20 9.2% -6 -11.8% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 212 97.2% 46 90.2% 0 0.0% -56 -233.3%
array_keys0 N/A% -20 -9.2% -16 -31.4% 8 50.0% -40 -166.7%
array_diff0 N/A% -11 -5.0% -31 -60.8% 0 0.0% -16 -66.7%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -9 -4.1% -6 -11.8% 16 100.0% 16 66.7%
drupal_static0 N/A% 6 2.8% -5 -9.8% 0 0.0% 56 233.3%
array_fill_keys0 N/A% 0 0.0% 6 11.8% 0 0.0% 0 0.0%