Diff Report
Run #5198b3cd5c9c1: 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 #5198b3cd5c9c1Run #5198b38f0f1d5DiffDiff%
Number of Function Calls47 47 0 0.0%
Incl. Wall Time (microsec)3,021 2,789 -232 -7.7%
Incl. Wall Time (microsec) per call 64 59 -5 -7.7%
Excl. Wall Time (microsec)681 675 -6 -0.9%
Incl. CPU (microsecs)1,900 1,882 -18 -0.9%
Incl. CPU (microsecs) per call 40 40 -0 -0.9%
Excl. CPU (microsec)553 589 36 6.5%
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)8,064 8,048 -16 -0.2%

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% -232 -50.5% -18 -6.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-6 -2.6% 36 200.0% 0 N/A% -16 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -218 -94.0% -26 -144.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -14 -6.0% 8 44.4% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -220 -94.8% -9 -50.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -8 -3.4% -9 -50.0% 0 N/A% 0 N/A%
array_keys0 N/A% -5 -2.2% -18 -100.0% 0 N/A% 0 N/A%
array_diff0 N/A% 4 1.7% 0 0.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 3 1.3% -19 -105.6% 0 N/A% 16 N/A%
array_fill_keys0 N/A% 0 0.0% 1 5.6% 0 N/A% 0 N/A%