Diff Report
Run #52c96b69a1c07: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96bbf45f87: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52c96b69a1c07Run #52c96bbf45f87DiffDiff%
Number of Function Calls52 52 0 0.0%
Incl. Wall Time (microsec)2,530 2,416 -114 -4.5%
Incl. Wall Time (microsec) per call 49 46 -2 -4.5%
Excl. Wall Time (microsec)600 570 -30 -5.0%
Incl. CPU (microsecs)1,874 1,782 -92 -4.9%
Incl. CPU (microsecs) per call 36 34 -2 -4.9%
Excl. CPU (microsec)488 473 -15 -3.1%
Incl. MemUse (bytes)45,248 45,248 0 0.0%
Incl. MemUse (bytes) per call 870 870 0 0.0%
Excl. MemUse (bytes)-67,304 -67,280 24 0.0%
Incl. PeakMemUse (bytes)71,096 70,240 -856 -1.2%
Incl. PeakMemUse (bytes) per call 1,367 1,351 -16 -1.2%
Excl. PeakMemUse (bytes)9,008 9,032 24 0.3%

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% -114 -20.3% -92 -16.7% 0 0.0% -856 -1.7%
Exclusive Metrics Diff for Current Function-30 -26.3% -15 -16.3% 24 N/A% 24 2.8%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -114 -100.0% -92 -100.0% 0 N/A% -856 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -80 -70.2% -60 -65.2% 0 N/A% -664 -77.6%
array_diff0 N/A% -3 -2.6% 3 3.3% 0 N/A% 0 0.0%
drupal_static0 N/A% -2 -1.8% -4 -4.3% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 1 0.9% -3 -3.3% 0 N/A% 0 0.0%
array_keys0 N/A% 1 0.9% -4 -4.3% -24 N/A% -216 -25.2%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -1 -0.9% -9 -9.8% 0 N/A% 0 0.0%