Diff Report
Run #521962849973a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5219624c55207: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Lock\DatabaseLockBackend::acquire

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #521962849973aRun #5219624c55207DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,033 1,744 -289 -14.2%
Incl. Wall Time (microsec) per call 2,033 1,744 -289 -14.2%
Excl. Wall Time (microsec)49 40 -9 -18.4%
Incl. CPU (microsecs)524 461 -63 -12.0%
Incl. CPU (microsecs) per call 524 461 -63 -12.0%
Excl. CPU (microsec)51 39 -12 -23.5%
Incl. MemUse (bytes)67,128 67,128 0 0.0%
Incl. MemUse (bytes) per call 67,128 67,128 0 0.0%
Excl. MemUse (bytes)1,624 1,624 0 0.0%
Incl. PeakMemUse (bytes)51,992 51,992 0 0.0%
Incl. PeakMemUse (bytes) per call 51,992 51,992 0 0.0%
Excl. PeakMemUse (bytes)1,560 1,560 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Lock\DatabaseLockBackend::acquire [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\Lock\DatabaseLockBackend::acquire0 N/A% -289 -545.3% -63 -50.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-9 -3.1% -12 -19.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache0 N/A% -289 -100.0% -63 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -280 -96.9% -49 -77.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Insert::fields0 N/A% 1 0.3% 0 0.0% 0 N/A% 0 N/A%
db_insert0 N/A% -1 -0.3% -1 -1.6% 0 N/A% 0 N/A%
microtime0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
max0 N/A% 0 0.0% -1 -1.6% 0 N/A% 0 N/A%
Drupal\Core\Lock\LockBackendAbstract::getLockId0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%