Diff Report
Run #5192e84845baf: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5192e6f7bc551: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5192e84845bafRun #5192e6f7bc551DiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)5,254 5,731 477 9.1%
Incl. Wall Time (microsec) per call 68 74 6 9.1%
Excl. Wall Time (microsec)1,279 1,323 44 3.4%
Incl. CPU (microsecs)3,638 3,850 212 5.8%
Incl. CPU (microsecs) per call 47 50 3 5.8%
Excl. CPU (microsec)1,072 1,110 38 3.5%
Incl. MemUse (bytes)58,312 58,312 0 0.0%
Incl. MemUse (bytes) per call 757 757 0 0.0%
Excl. MemUse (bytes)-102,432 -102,432 0 0.0%
Incl. PeakMemUse (bytes)107,064 107,048 -16 -0.0%
Incl. PeakMemUse (bytes) per call 1,390 1,390 -0 -0.0%
Excl. PeakMemUse (bytes)17,232 17,216 -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% 477 93.5% 212 20.6% 0 0.0% -16 -0.0%
Exclusive Metrics Diff for Current Function44 9.2% 38 17.9% 0 N/A% -16 -100.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 383 80.3% 173 81.6% 0 N/A% -16 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 94 19.7% 39 18.4% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 375 78.6% 114 53.8% 0 N/A% -8 -50.0%
array_diff0 N/A% 19 4.0% 16 7.5% 0 N/A% 0 0.0%
array_keys0 N/A% 15 3.1% 7 3.3% 0 N/A% -8 -50.0%
drupal_static0 N/A% 14 2.9% 21 9.9% 0 N/A% 16 100.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 11 2.3% 12 5.7% 0 N/A% 0 0.0%
array_fill_keys0 N/A% -1 -0.2% 4 1.9% 0 N/A% 0 0.0%