Diff Report
Run #519b1ad213669: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b1557bbc04: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for _drupal_session_write

_drupal_session_writeRun #519b1ad213669Run #519b1557bbc04DiffDiff%
Number of Function Calls1 -1 -100.0%
Incl. Wall Time (microsec)3,904 -3,904 -100.0%
Incl. Wall Time (microsec) per call 3,904 N/A -3,904 -100.0%
Excl. Wall Time (microsec)83 -83 -100.0%
Incl. CPU (microsecs)2,926 -2,926 -100.0%
Incl. CPU (microsecs) per call 2,926 N/A -2,926 -100.0%
Excl. CPU (microsec)57 -57 -100.0%
Incl. MemUse (bytes)144,520 -144,520 -100.0%
Incl. MemUse (bytes) per call 144,520 N/A -144,520 -100.0%
Excl. MemUse (bytes)-4,104 4,104 100.0%
Incl. PeakMemUse (bytes)69,344 -69,344 -100.0%
Incl. PeakMemUse (bytes) per call 69,344 N/A -69,344 -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% -3,904 -32.4% -2,926 -19.4% -144,520 -56.4% -69,344 -31.0%
Exclusive Metrics Diff for Current Function-83 -2.1% -57 -1.9% 4,104 2.8% 0 0.0%
Parent function
session_write_close-1 -100.0% -3,904 -100.0% -2,926 -100.0% -144,520 -100.0% -69,344 -100.0%
Child functions
Drupal\Core\Database\Query\Merge::execute-1 -8.3% -2,357 -60.4% -1,380 -47.2% -16,456 -11.4% -21,640 -31.2%
db_merge-1 -8.3% -1,284 -32.9% -1,287 -44.0% -119,224 -82.5% -47,704 -68.8%
Drupal\Core\Database\Query\Merge::key-1 -8.3% -55 -1.4% -57 -1.9% -4,992 -3.5% 0 0.0%
drupal_static-1 -8.3% -32 -0.8% -34 -1.2% -1,096 -0.8% 0 0.0%
Drupal::request-2 -16.7% -26 -0.7% -30 -1.0% -776 -0.5% 0 0.0%
Symfony\Component\HttpFoundation\Request::isSecure-1 -8.3% -25 -0.6% -27 -0.9% -864 -0.6% 0 0.0%
Symfony\Component\HttpFoundation\Request::getClientIp-1 -8.3% -13 -0.3% -15 -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% -10 -0.3% -12 -0.4% -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% -5 -0.2% -832 -0.6% 0 0.0%