Diff Report
Run #51ca5476d8061: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5414b31d9: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Lock\DatabaseLockBackend::acquire

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #51ca5476d8061Run #51ca5414b31d9DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,913 1,949 36 1.9%
Incl. Wall Time (microsec) per call 1,913 1,949 36 1.9%
Excl. Wall Time (microsec)57 49 -8 -14.0%
Incl. CPU (microsecs)1,157 1,129 -28 -2.4%
Incl. CPU (microsecs) per call 1,157 1,129 -28 -2.4%
Excl. CPU (microsec)45 38 -7 -15.6%
Incl. MemUse (bytes)125,432 125,432 0 0.0%
Incl. MemUse (bytes) per call 125,432 125,432 0 0.0%
Excl. MemUse (bytes)1,576 1,576 0 0.0%
Incl. PeakMemUse (bytes)109,560 109,560 0 0.0%
Incl. PeakMemUse (bytes) per call 109,560 109,560 0 0.0%
Excl. PeakMemUse (bytes)1,656 1,656 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% 36 3.0% -28 -7.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -22.2% -7 -25.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache0 N/A% 36 100.0% -28 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% 40 111.1% -26 -92.9% 0 N/A% 0 N/A%
db_insert0 N/A% 4 11.1% 4 14.3% 0 N/A% 0 N/A%
microtime0 N/A% 0 0.0% -1 -3.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Insert::fields0 N/A% 0 0.0% 2 7.1% 0 N/A% 0 N/A%
Drupal\Core\Lock\LockBackendAbstract::getLockId0 N/A% 0 0.0% 1 3.6% 0 N/A% 0 N/A%
max0 N/A% 0 0.0% -1 -3.6% 0 N/A% 0 N/A%