Diff Report
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::doSet

Drupal\Core\Cache\DatabaseBackend::doSetRun #534ad9c94e95bRun #534ad8dec7444DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)9,970 10,335 365 3.7%
Incl. Wall Time (microsec) per call 3,323 3,445 122 3.7%
Excl. Wall Time (microsec)160 170 10 6.2%
Incl. CPU (microsecs)6,545 6,736 191 2.9%
Incl. CPU (microsecs) per call 2,182 2,245 64 2.9%
Excl. CPU (microsec)122 122 0 0.0%
Incl. MemUse (bytes)87,568 87,580 12 0.0%
Incl. MemUse (bytes) per call 29,189 29,193 4 0.0%
Excl. MemUse (bytes)-29,332 -29,332 0 0.0%
Incl. PeakMemUse (bytes)217,032 217,044 12 0.0%
Incl. PeakMemUse (bytes) per call 72,344 72,348 4 0.0%
Excl. PeakMemUse (bytes)1,204 1,204 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% 365 22.1% 191 38.3% 12 0.1% 12 0.0%
Exclusive Metrics Diff for Current Function10 2.7% 0 0.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 365 100.0% 191 100.0% 12 100.0% 12 100.0%
Child functions
Drupal\Core\Database\Query\Merge::execute0 N/A% 207 56.7% 34 17.8% 12 100.0% 12 100.0%
serialize0 N/A% 128 35.1% 128 67.0% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 22 6.0% 22 11.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::merge0 N/A% -6 -1.6% -3 -1.6% 0 0.0% 0 0.0%
drupal_static0 N/A% 2 0.5% 5 2.6% 0 0.0% 0 0.0%
is_string0 N/A% 1 0.3% 2 1.0% 0 0.0% 0 0.0%
implode0 N/A% 1 0.3% 2 1.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Merge::fields0 N/A% 0 0.0% -1 -0.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Merge::key0 N/A% 0 0.0% -1 -0.5% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::flattenTags0 N/A% 0 0.0% 3 1.6% 0 0.0% 0 0.0%