Diff Report
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbd76c2eed: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::doSet

Drupal\Core\Cache\DatabaseBackend::doSetRun #51fdbca2b5409Run #51fdbd76c2eedDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,458 2,631 173 7.0%
Incl. Wall Time (microsec) per call 2,458 2,631 173 7.0%
Excl. Wall Time (microsec)47 48 1 2.1%
Incl. CPU (microsecs)1,294 1,333 39 3.0%
Incl. CPU (microsecs) per call 1,294 1,333 39 3.0%
Excl. CPU (microsec)38 40 2 5.3%
Incl. MemUse (bytes)145,592 145,592 0 0.0%
Incl. MemUse (bytes) per call 145,592 145,592 0 0.0%
Excl. MemUse (bytes)-4,400 -4,400 0 0.0%
Incl. PeakMemUse (bytes)145,608 145,608 0 0.0%
Incl. PeakMemUse (bytes) per call 145,608 145,608 0 0.0%
Excl. PeakMemUse (bytes)1,344 1,344 0 0.0%

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% 173 26.1% 39 2.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 0.6% 2 5.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 173 100.0% 39 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Merge::execute0 N/A% 179 103.5% 45 115.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% -6 -3.5% -6 -15.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -1 -0.6% -1 -2.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::key0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::fields0 N/A% 0 0.0% -1 -2.6% 0 N/A% 0 N/A%
serialize0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
is_string0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::flattenTags0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%