Diff Report
Run #51f5bb078e5a7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51f5bbaa8fc1d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::doSet

Drupal\Core\Cache\DatabaseBackend::doSetRun #51f5bb078e5a7Run #51f5bbaa8fc1dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,504 2,479 -25 -1.0%
Incl. Wall Time (microsec) per call 2,504 2,479 -25 -1.0%
Excl. Wall Time (microsec)53 50 -3 -5.7%
Incl. CPU (microsecs)1,254 1,265 11 0.9%
Incl. CPU (microsecs) per call 1,254 1,265 11 0.9%
Excl. CPU (microsec)36 40 4 11.1%
Incl. MemUse (bytes)140,000 140,000 0 0.0%
Incl. MemUse (bytes) per call 140,000 140,000 0 0.0%
Excl. MemUse (bytes)-4,400 -4,400 0 0.0%
Incl. PeakMemUse (bytes)127,464 126,616 -848 -0.7%
Incl. PeakMemUse (bytes) per call 127,464 126,616 -848 -0.7%
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% -25 -0.5% 11 0.3% 0 0.0% -848 -1.5%
Exclusive Metrics Diff for Current Function-3 -12.0% 4 36.4% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::set0 N/A% -25 -100.0% 11 100.0% 0 N/A% -848 -100.0%
Child functions
Drupal\Core\Database\Query\Merge::execute0 N/A% -27 -108.0% 9 81.8% 0 N/A% 64 7.5%
Drupal\Core\Database\Query\Merge::key0 N/A% 4 16.0% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Merge::fields0 N/A% 1 4.0% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::merge0 N/A% 1 4.0% 1 9.1% 0 N/A% -912 -107.5%
serialize0 N/A% -1 -4.0% -1 -9.1% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
implode0 N/A% 0 0.0% 1 9.1% 0 N/A% 0 0.0%
is_string0 N/A% 0 0.0% -1 -9.1% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::flattenTags0 N/A% 0 0.0% -2 -18.2% 0 N/A% 0 0.0%