Diff Report
Run #534ad972c8c0d: 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 #534ad972c8c0dRun #534ad8dec7444DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)9,801 10,335 534 5.4%
Incl. Wall Time (microsec) per call 3,267 3,445 178 5.4%
Excl. Wall Time (microsec)158 170 12 7.6%
Incl. CPU (microsecs)6,600 6,736 136 2.1%
Incl. CPU (microsecs) per call 2,200 2,245 45 2.1%
Excl. CPU (microsec)118 122 4 3.4%
Incl. MemUse (bytes)87,580 87,580 0 0.0%
Incl. MemUse (bytes) per call 29,193 29,193 0 0.0%
Excl. MemUse (bytes)-29,332 -29,332 0 0.0%
Incl. PeakMemUse (bytes)217,044 217,044 0 0.0%
Incl. PeakMemUse (bytes) per call 72,348 72,348 0 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% 534 36.7% 136 23.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function12 2.2% 4 2.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 534 100.0% 136 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Merge::execute0 N/A% 464 86.9% 67 49.3% 0 N/A% 0 N/A%
serialize0 N/A% 26 4.9% 26 19.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 21 3.9% 22 16.2% 0 N/A% 0 N/A%
drupal_static0 N/A% 8 1.5% 14 10.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::key0 N/A% 3 0.6% -1 -0.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::fields0 N/A% -2 -0.4% -2 -1.5% 0 N/A% 0 N/A%
implode0 N/A% 2 0.4% 3 2.2% 0 N/A% 0 N/A%
is_string0 N/A% 1 0.2% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% -1 -0.2% -1 -0.7% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::flattenTags0 N/A% 0 0.0% 4 2.9% 0 N/A% 0 N/A%