Diff Report
Run #519c0a514701f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c0a965645d: 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 #519c0a514701fRun #519c0a965645dDiffDiff%
Number of Function Calls89 89 0 0.0%
Incl. Wall Time (microsec)7,513 7,642 129 1.7%
Incl. Wall Time (microsec) per call 84 86 1 1.7%
Excl. Wall Time (microsec)1,868 1,814 -54 -2.9%
Incl. CPU (microsecs)5,115 5,000 -115 -2.2%
Incl. CPU (microsecs) per call 57 56 -1 -2.2%
Excl. CPU (microsec)1,606 1,584 -22 -1.4%
Incl. MemUse (bytes)37,196 37,196 0 0.0%
Incl. MemUse (bytes) per call 418 418 0 0.0%
Excl. MemUse (bytes)-36,988 -36,988 0 0.0%
Incl. PeakMemUse (bytes)36,624 36,624 0 0.0%
Incl. PeakMemUse (bytes) per call 412 412 0 0.0%
Excl. PeakMemUse (bytes)9,116 9,116 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% 129 8.6% -115 -12.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-54 -41.9% -22 -19.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 117 90.7% -127 -110.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 12 9.3% 12 10.4% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 215 166.7% -34 -29.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -14 -10.9% -19 -16.5% 0 N/A% 0 N/A%
drupal_static0 N/A% -11 -8.5% -22 -19.1% 0 N/A% 0 N/A%
array_diff0 N/A% -10 -7.8% -3 -2.6% 0 N/A% 0 N/A%
array_keys0 N/A% 4 3.1% -17 -14.8% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -1 -0.8% 2 1.7% 0 N/A% 0 N/A%