Diff Report
Run #541de429e5ab1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #541de55978b9a: 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 #541de429e5ab1Run #541de55978b9aDiffDiff%
Number of Function Calls147 147 0 0.0%
Incl. Wall Time (microsec)7,209 6,916 -293 -4.1%
Incl. Wall Time (microsec) per call 49 47 -2 -4.1%
Excl. Wall Time (microsec)2,203 2,245 42 1.9%
Incl. CPU (microsecs)5,927 5,776 -151 -2.5%
Incl. CPU (microsecs) per call 40 39 -1 -2.5%
Excl. CPU (microsec)1,868 1,888 20 1.1%
Incl. MemUse (bytes)103,224 103,224 0 0.0%
Incl. MemUse (bytes) per call 702 702 0 0.0%
Excl. MemUse (bytes)-273,808 -273,808 0 0.0%
Incl. PeakMemUse (bytes)193,912 193,912 0 0.0%
Incl. PeakMemUse (bytes) per call 1,319 1,319 0 0.0%
Excl. PeakMemUse (bytes)68,536 68,536 0 0.0%

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% -293 -15.1% -151 -10.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function42 14.3% 20 13.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -293 -100.0% -151 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -297 -101.4% -129 -85.4% 0 N/A% 0 N/A%
drupal_static0 N/A% -14 -4.8% -19 -12.6% 0 N/A% 0 N/A%
array_diff0 N/A% -11 -3.8% -8 -5.3% 0 N/A% 0 N/A%
array_keys0 N/A% -11 -3.8% -11 -7.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -2 -0.7% -6 -4.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 2 1.3% 0 N/A% 0 N/A%