Diff Report
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519ac1c42d00d: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for _drupal_session_write

_drupal_session_writeRun #519abf80bb905Run #519ac1c42d00dDiffDiff%
Number of Function Calls 1 1 N/A%
Incl. Wall Time (microsec) 3,952 3,952 N/A%
Incl. Wall Time (microsec) per call N/A 3,952 3,952 N/A%
Excl. Wall Time (microsec) 96 96 N/A%
Incl. CPU (microsecs) 3,021 3,021 N/A%
Incl. CPU (microsecs) per call N/A 3,021 3,021 N/A%
Excl. CPU (microsec) 73 73 N/A%
Incl. MemUse (bytes) 144,392 144,392 N/A%
Incl. MemUse (bytes) per call N/A 144,392 144,392 N/A%
Excl. MemUse (bytes) -4,144 -4,144 N/A%
Incl. PeakMemUse (bytes) 80,240 80,240 N/A%
Incl. PeakMemUse (bytes) per call N/A 80,240 80,240 N/A%
Excl. PeakMemUse (bytes) 0 0 N/A%

Parent/Child Regression/Improvement report for _drupal_session_write [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_session_write1 7.7% 3,952 32.8% 3,021 21.0% 144,392 93.0% 80,240 6.0%
Exclusive Metrics Diff for Current Function96 2.4% 73 2.4% -4,144 -2.9% 0 0.0%
Parent function
session_write_close1 100.0% 3,952 100.0% 3,021 100.0% 144,392 100.0% 80,240 100.0%
Child functions
Drupal\Core\Database\Query\Merge::execute1 8.3% 2,330 59.0% 1,399 46.3% 16,456 11.4% 21,496 26.8%
db_merge1 8.3% 1,336 33.8% 1,338 44.3% 119,136 82.5% 58,744 73.2%
Drupal\Core\Database\Query\Merge::key1 8.3% 58 1.5% 60 2.0% 4,992 3.5% 0 0.0%
drupal_static1 8.3% 32 0.8% 34 1.1% 1,096 0.8% 0 0.0%
Drupal::request2 16.7% 28 0.7% 31 1.0% 776 0.5% 0 0.0%
Symfony\Component\HttpFoundation\Request::isSecure1 8.3% 28 0.7% 30 1.0% 864 0.6% 0 0.0%
Symfony\Component\HttpFoundation\Request::getClientIp1 8.3% 14 0.4% 16 0.5% 896 0.6% 0 0.0%
Drupal\Core\Database\Query\Merge::fields1 8.3% 13 0.3% 15 0.5% 1,848 1.3% 0 0.0%
settings1 8.3% 11 0.3% 14 0.5% 768 0.5% 0 0.0%
Drupal\Component\Utility\Settings::get1 8.3% 4 0.1% 7 0.2% 872 0.6% 0 0.0%
drupal_save_session1 8.3% 2 0.1% 4 0.1% 832 0.6% 0 0.0%