Diff Report
Run #51c6814c41b47: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51c681e794599: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Lock\DatabaseLockBackend::acquire

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #51c6814c41b47Run #51c681e794599DiffDiff%
Number of Function Calls 1 1 N/A%
Incl. Wall Time (microsec) 1,632 1,632 N/A%
Incl. Wall Time (microsec) per call N/A 1,632 1,632 N/A%
Excl. Wall Time (microsec) 55 55 N/A%
Incl. CPU (microsecs) 890 890 N/A%
Incl. CPU (microsecs) per call N/A 890 890 N/A%
Excl. CPU (microsec) 46 46 N/A%
Incl. MemUse (bytes) 66,688 66,688 N/A%
Incl. MemUse (bytes) per call N/A 66,688 66,688 N/A%
Excl. MemUse (bytes) 1,568 1,568 N/A%
Incl. PeakMemUse (bytes) 51,192 51,192 N/A%
Incl. PeakMemUse (bytes) per call N/A 51,192 51,192 N/A%
Excl. PeakMemUse (bytes) 1,560 1,560 N/A%

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::acquire1 6.2% 1,632 0.1% 890 0.1% 66,688 0.3% 51,192 0.3%
Exclusive Metrics Diff for Current Function55 3.4% 46 5.2% 1,568 2.4% 1,560 3.0%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache1 100.0% 1,632 100.0% 890 100.0% 66,688 100.0% 51,192 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute1 16.7% 1,060 65.0% 320 36.0% 13,128 19.7% 13,128 25.6%
db_insert1 16.7% 463 28.4% 465 52.2% 40,408 60.6% 28,704 56.1%
Drupal\Core\Database\Query\Insert::fields1 16.7% 29 1.8% 30 3.4% 6,752 10.1% 4,912 9.6%
Drupal\Core\Lock\LockBackendAbstract::getLockId1 16.7% 21 1.3% 22 2.5% 3,240 4.9% 2,888 5.6%
microtime1 16.7% 2 0.1% 4 0.4% 800 1.2% 0 0.0%
max1 16.7% 2 0.1% 3 0.3% 792 1.2% 0 0.0%