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

_drupal_session_writeRun #519b1557bbc04Run #519b1ad213669DiffDiff%
Number of Function Calls 1 1 N/A%
Incl. Wall Time (microsec) 3,904 3,904 N/A%
Incl. Wall Time (microsec) per call N/A 3,904 3,904 N/A%
Excl. Wall Time (microsec) 83 83 N/A%
Incl. CPU (microsecs) 2,926 2,926 N/A%
Incl. CPU (microsecs) per call N/A 2,926 2,926 N/A%
Excl. CPU (microsec) 57 57 N/A%
Incl. MemUse (bytes) 144,520 144,520 N/A%
Incl. MemUse (bytes) per call N/A 144,520 144,520 N/A%
Excl. MemUse (bytes) -4,104 -4,104 N/A%
Incl. PeakMemUse (bytes) 69,344 69,344 N/A%
Incl. PeakMemUse (bytes) per call N/A 69,344 69,344 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% 3,904 32.4% 2,926 19.4% 144,520 56.4% 69,344 31.0%
Exclusive Metrics Diff for Current Function83 2.1% 57 1.9% -4,104 -2.8% 0 0.0%
Parent function
session_write_close1 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::execute1 8.3% 2,357 60.4% 1,380 47.2% 16,456 11.4% 21,640 31.2%
db_merge1 8.3% 1,284 32.9% 1,287 44.0% 119,224 82.5% 47,704 68.8%
Drupal\Core\Database\Query\Merge::key1 8.3% 55 1.4% 57 1.9% 4,992 3.5% 0 0.0%
drupal_static1 8.3% 32 0.8% 34 1.2% 1,096 0.8% 0 0.0%
Drupal::request2 16.7% 26 0.7% 30 1.0% 776 0.5% 0 0.0%
Symfony\Component\HttpFoundation\Request::isSecure1 8.3% 25 0.6% 27 0.9% 864 0.6% 0 0.0%
Symfony\Component\HttpFoundation\Request::getClientIp1 8.3% 13 0.3% 15 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% 10 0.3% 12 0.4% 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% 5 0.2% 832 0.6% 0 0.0%