Diff Report
Run #51fdbdbb58abc: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::doSet

Drupal\Core\Cache\DatabaseBackend::doSetRun #51fdbdbb58abcRun #51fdbca2b5409DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,264 2,458 194 8.6%
Incl. Wall Time (microsec) per call 2,264 2,458 194 8.6%
Excl. Wall Time (microsec)42 47 5 11.9%
Incl. CPU (microsecs)1,214 1,294 80 6.6%
Incl. CPU (microsecs) per call 1,214 1,294 80 6.6%
Excl. CPU (microsec)34 38 4 11.8%
Incl. MemUse (bytes)145,584 145,592 8 0.0%
Incl. MemUse (bytes) per call 145,584 145,592 8 0.0%
Excl. MemUse (bytes)-4,400 -4,400 0 0.0%
Incl. PeakMemUse (bytes)145,832 145,608 -224 -0.2%
Incl. PeakMemUse (bytes) per call 145,832 145,608 -224 -0.2%
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% 194 20.5% 80 111.1% 8 0.0% -224 -0.7%
Exclusive Metrics Diff for Current Function5 2.6% 4 5.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 194 100.0% 80 100.0% 8 100.0% -224 -100.0%
Child functions
Drupal\Core\Database\Query\Merge::execute0 N/A% 143 73.7% 31 38.8% 0 0.0% 64 28.6%
Drupal\Core\Database\Connection::merge0 N/A% 43 22.2% 43 53.8% 8 100.0% -288 -128.6%
Drupal\Core\Database\Query\Merge::fields0 N/A% 3 1.5% 4 5.0% 0 0.0% 0 0.0%
serialize0 N/A% 1 0.5% 1 1.2% 0 0.0% 0 0.0%
is_string0 N/A% -1 -0.5% -1 -1.2% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
implode0 N/A% 0 0.0% -1 -1.2% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Merge::key0 N/A% 0 0.0% -1 -1.2% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::flattenTags0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%