Diff Report
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #534ad972c8c0dRun #534ad8dec7444DiffDiff%
Number of Function Calls144 144 0 0.0%
Incl. Wall Time (microsec)17,539 17,269 -270 -1.5%
Incl. Wall Time (microsec) per call 122 120 -2 -1.5%
Excl. Wall Time (microsec)3,895 3,861 -34 -0.9%
Incl. CPU (microsecs)12,259 12,028 -231 -1.9%
Incl. CPU (microsecs) per call 85 84 -2 -1.9%
Excl. CPU (microsec)3,437 3,385 -52 -1.5%
Incl. MemUse (bytes)66,924 66,924 0 0.0%
Incl. MemUse (bytes) per call 465 465 0 0.0%
Excl. MemUse (bytes)-281,652 -281,652 0 0.0%
Incl. PeakMemUse (bytes)149,152 149,152 0 0.0%
Incl. PeakMemUse (bytes) per call 1,036 1,036 0 0.0%
Excl. PeakMemUse (bytes)31,480 31,480 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% -270 -18.6% -231 -39.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-34 -12.6% -52 -22.5% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -287 -106.3% -252 -109.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 21 7.8% 22 9.5% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -4 -1.5% -1 -0.4% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -134 -49.6% -124 -53.7% 0 N/A% 0 N/A%
array_diff0 N/A% -47 -17.4% -30 -13.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -34 -12.6% -33 -14.3% 0 N/A% 0 N/A%
array_keys0 N/A% -16 -5.9% 11 4.8% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -3 -1.1% 1 0.4% 0 N/A% 0 N/A%
drupal_static0 N/A% -2 -0.7% -4 -1.7% 0 N/A% 0 N/A%