Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::doSet

Drupal\Core\Cache\DatabaseBackend::doSetRun #519d44ffb3845Run #519d45fd795a4DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)4,237 5,510 1,273 30.0%
Incl. Wall Time (microsec) per call 4,237 5,510 1,273 30.0%
Excl. Wall Time (microsec)68 62 -6 -8.8%
Incl. CPU (microsecs)2,721 2,564 -157 -5.8%
Incl. CPU (microsecs) per call 2,721 2,564 -157 -5.8%
Excl. CPU (microsec)51 49 -2 -3.9%
Incl. MemUse (bytes)87,984 87,984 0 0.0%
Incl. MemUse (bytes) per call 87,984 87,984 0 0.0%
Excl. MemUse (bytes)-5,060 -5,060 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::doSet [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::doSet0 N/A% 1,273 2.3% -157 -0.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-6 -0.5% -2 -1.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 1,273 100.0% -157 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Merge::execute0 N/A% 1,283 100.8% -148 -94.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% -3 -0.2% -5 -3.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::key0 N/A% -2 -0.2% -3 -1.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::fields0 N/A% -1 -0.1% -2 -1.3% 0 N/A% 0 N/A%
implode0 N/A% 1 0.1% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 1 0.1% 1 0.6% 0 N/A% 0 N/A%
serialize0 N/A% 0 0.0% 2 1.3% 0 N/A% 0 N/A%
is_string0 N/A% 0 0.0% -1 -0.6% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::flattenTags0 N/A% 0 0.0% 1 0.6% 0 N/A% 0 N/A%