Diff Report
Run #519b0e62696b0: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b130ea93e9: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for _drupal_session_write

_drupal_session_writeRun #519b0e62696b0Run #519b130ea93e9DiffDiff%
Number of Function Calls 1 1 N/A%
Incl. Wall Time (microsec) 3,846 3,846 N/A%
Incl. Wall Time (microsec) per call N/A 3,846 3,846 N/A%
Excl. Wall Time (microsec) 94 94 N/A%
Incl. CPU (microsecs) 3,070 3,070 N/A%
Incl. CPU (microsecs) per call N/A 3,070 3,070 N/A%
Excl. CPU (microsec) 72 72 N/A%
Incl. MemUse (bytes) 144,448 144,448 N/A%
Incl. MemUse (bytes) per call N/A 144,448 144,448 N/A%
Excl. MemUse (bytes) -4,144 -4,144 N/A%
Incl. PeakMemUse (bytes) 74,288 74,288 N/A%
Incl. PeakMemUse (bytes) per call N/A 74,288 74,288 N/A%
Excl. PeakMemUse (bytes) 576 576 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% 3,846 68.3% 3,070 132.8% 144,448 71.6% 74,288 42.3%
Exclusive Metrics Diff for Current Function94 2.4% 72 2.3% -4,144 -2.9% 576 0.8%
Parent function
session_write_close1 100.0% 3,846 100.0% 3,070 100.0% 144,448 100.0% 74,288 100.0%
Child functions
Drupal\Core\Database\Query\Merge::execute1 8.3% 2,209 57.4% 1,432 46.6% 16,456 11.4% 25,328 34.1%
db_merge1 8.3% 1,354 35.2% 1,356 44.2% 119,216 82.5% 45,496 61.2%
Drupal\Core\Database\Query\Merge::key1 8.3% 57 1.5% 59 1.9% 4,992 3.5% 1,552 2.1%
Drupal::request2 16.7% 29 0.8% 30 1.0% 776 0.5% 0 0.0%
drupal_static1 8.3% 28 0.7% 30 1.0% 1,096 0.8% 0 0.0%
Symfony\Component\HttpFoundation\Request::isSecure1 8.3% 27 0.7% 30 1.0% 864 0.6% 0 0.0%
Drupal\Core\Database\Query\Merge::fields1 8.3% 18 0.5% 21 0.7% 1,848 1.3% 1,336 1.8%
Symfony\Component\HttpFoundation\Request::getClientIp1 8.3% 14 0.4% 17 0.6% 896 0.6% 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% 6 0.2% 848 0.6% 0 0.0%
drupal_save_session1 8.3% 2 0.1% 5 0.2% 832 0.6% 0 0.0%