Diff Report
Run #5198b3b171080: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198b38f0f1d5: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5198b3b171080Run #5198b38f0f1d5DiffDiff%
Number of Function Calls47 47 0 0.0%
Incl. Wall Time (microsec)3,031 2,789 -242 -8.0%
Incl. Wall Time (microsec) per call 64 59 -5 -8.0%
Excl. Wall Time (microsec)685 675 -10 -1.5%
Incl. CPU (microsecs)1,902 1,882 -20 -1.1%
Incl. CPU (microsecs) per call 40 40 -0 -1.1%
Excl. CPU (microsec)573 589 16 2.8%
Incl. MemUse (bytes)40,368 40,368 0 0.0%
Incl. MemUse (bytes) per call 859 859 0 0.0%
Excl. MemUse (bytes)-40,040 -40,040 0 0.0%
Incl. PeakMemUse (bytes)37,712 37,712 0 0.0%
Incl. PeakMemUse (bytes) per call 802 802 0 0.0%
Excl. PeakMemUse (bytes)8,048 8,048 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% -242 -576.2% -20 -37.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-10 -4.1% 16 80.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -226 -93.4% -34 -170.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -16 -6.6% 14 70.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -232 -95.9% -24 -120.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -6 -2.5% -5 -25.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 5 2.1% -5 -25.0% 0 N/A% 0 N/A%
array_diff0 N/A% 2 0.8% 0 0.0% 0 N/A% 0 N/A%
array_keys0 N/A% -1 -0.4% -1 -5.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% -1 -5.0% 0 N/A% 0 N/A%