Diff Report
Run #5204417bc7ab7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5204425923c81: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5204417bc7ab7Run #5204425923c81DiffDiff%
Number of Function Calls114 114 0 0.0%
Incl. Wall Time (microsec)6,407 6,162 -245 -3.8%
Incl. Wall Time (microsec) per call 56 54 -2 -3.8%
Excl. Wall Time (microsec)1,630 1,672 42 2.6%
Incl. CPU (microsecs)4,337 4,251 -86 -2.0%
Incl. CPU (microsecs) per call 38 37 -1 -2.0%
Excl. CPU (microsec)1,375 1,395 20 1.5%
Incl. MemUse (bytes)77,224 77,224 0 0.0%
Incl. MemUse (bytes) per call 677 677 0 0.0%
Excl. MemUse (bytes)-124,272 -124,264 8 0.0%
Incl. PeakMemUse (bytes)110,704 110,872 168 0.2%
Incl. PeakMemUse (bytes) per call 971 973 1 0.2%
Excl. PeakMemUse (bytes)22,792 22,824 32 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% -245 -310.1% -86 -11.0% 0 0.0% 168 0.4%
Exclusive Metrics Diff for Current Function42 17.1% 20 23.3% 8 N/A% 32 19.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -222 -90.6% -50 -58.1% 0 N/A% 168 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -22 -9.0% -35 -40.7% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -1 -0.4% -1 -1.2% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -237 -96.7% -51 -59.3% 0 N/A% 144 85.7%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -29 -11.8% -25 -29.1% 0 N/A% 0 0.0%
array_diff0 N/A% -29 -11.8% -29 -33.7% 0 N/A% 0 0.0%
drupal_static0 N/A% 6 2.4% 9 10.5% 0 N/A% 0 0.0%
array_keys0 N/A% 2 0.8% -6 -7.0% -8 N/A% -8 -4.8%
array_fill_keys0 N/A% 0 0.0% -4 -4.7% 0 N/A% 0 0.0%