Diff Report
Run #519ffb7471c72: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #519ffc4c0008b: XHProf Run (Namespace=drupal-perf-ezeedub)
Tip
Click a function name below to drill down.

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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519ffb7471c72Run #519ffc4c0008bDiffDiff%
Number of Function Calls90 91 1 1.1%
Incl. Wall Time (microsec)6,553 6,750 197 3.0%
Incl. Wall Time (microsec) per call 73 74 1 1.9%
Excl. Wall Time (microsec)2,214 2,236 22 1.0%
Incl. CPU (microsecs)12,000 4,001 -7,999 -66.7%
Incl. CPU (microsecs) per call 133 44 -89 -67.0%
Excl. CPU (microsec)8,000 0 -8,000 -100.0%
Incl. MemUse (bytes)34,912 35,172 260 0.7%
Incl. MemUse (bytes) per call 388 387 -1 -0.4%
Excl. MemUse (bytes)-52,616 -53,564 -948 -1.8%
Incl. PeakMemUse (bytes)45,632 45,752 120 0.3%
Incl. PeakMemUse (bytes) per call 507 503 -4 -0.8%
Excl. PeakMemUse (bytes)7,892 7,832 -60 -0.8%

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::checksumTags1 25.0% 197 6.4% -7,999 -199.9% 260 1.6% 120 0.6%
Exclusive Metrics Diff for Current Function22 11.2% -8,000 -100.0% -948 -364.6% -60 -50.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 0.0% 18 9.1% -4,000 -50.0% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem1 100.0% 179 90.9% -3,999 -50.0% 260 100.0% 120 100.0%
Child functions
Drupal\Core\Database\Connection::query0 0.0% 159 80.7% 4,001 50.0% 0 0.0% 0 0.0%
array_keys1 33.3% 0 0.0% -4,000 -50.0% 1,160 446.2% 168 140.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% -26 -13.2% 0 0.0% 0 0.0% 0 0.0%
array_fill_keys0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_diff1 33.3% 13 6.6% 0 0.0% 48 18.5% 12 10.0%
drupal_static1 33.3% 29 14.7% 0 0.0% 0 0.0% 0 0.0%