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

_drupal_session_writeRun #519ac1c42d00dRun #519abf80bb905DiffDiff%
Number of Function Calls1 -1 -100.0%
Incl. Wall Time (microsec)3,952 -3,952 -100.0%
Incl. Wall Time (microsec) per call 3,952 N/A -3,952 -100.0%
Excl. Wall Time (microsec)96 -96 -100.0%
Incl. CPU (microsecs)3,021 -3,021 -100.0%
Incl. CPU (microsecs) per call 3,021 N/A -3,021 -100.0%
Excl. CPU (microsec)73 -73 -100.0%
Incl. MemUse (bytes)144,392 -144,392 -100.0%
Incl. MemUse (bytes) per call 144,392 N/A -144,392 -100.0%
Excl. MemUse (bytes)-4,144 4,144 100.0%
Incl. PeakMemUse (bytes)80,240 -80,240 -100.0%
Incl. PeakMemUse (bytes) per call 80,240 N/A -80,240 -100.0%
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_write-1 -7.7% -3,952 -32.8% -3,021 -21.0% -144,392 -93.0% -80,240 -6.0%
Exclusive Metrics Diff for Current Function-96 -2.4% -73 -2.4% 4,144 2.9% 0 0.0%
Parent function
session_write_close-1 -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::execute-1 -8.3% -2,330 -59.0% -1,399 -46.3% -16,456 -11.4% -21,496 -26.8%
db_merge-1 -8.3% -1,336 -33.8% -1,338 -44.3% -119,136 -82.5% -58,744 -73.2%
Drupal\Core\Database\Query\Merge::key-1 -8.3% -58 -1.5% -60 -2.0% -4,992 -3.5% 0 0.0%
drupal_static-1 -8.3% -32 -0.8% -34 -1.1% -1,096 -0.8% 0 0.0%
Drupal::request-2 -16.7% -28 -0.7% -31 -1.0% -776 -0.5% 0 0.0%
Symfony\Component\HttpFoundation\Request::isSecure-1 -8.3% -28 -0.7% -30 -1.0% -864 -0.6% 0 0.0%
Symfony\Component\HttpFoundation\Request::getClientIp-1 -8.3% -14 -0.4% -16 -0.5% -896 -0.6% 0 0.0%
Drupal\Core\Database\Query\Merge::fields-1 -8.3% -13 -0.3% -15 -0.5% -1,848 -1.3% 0 0.0%
settings-1 -8.3% -11 -0.3% -14 -0.5% -768 -0.5% 0 0.0%
Drupal\Component\Utility\Settings::get-1 -8.3% -4 -0.1% -7 -0.2% -872 -0.6% 0 0.0%
drupal_save_session-1 -8.3% -2 -0.1% -4 -0.1% -832 -0.6% 0 0.0%