Diff Report
Run #519aa37b5bebd: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519aa45581fb3: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for _drupal_session_write

_drupal_session_writeRun #519aa37b5bebdRun #519aa45581fb3DiffDiff%
Number of Function Calls 1 1 N/A%
Incl. Wall Time (microsec) 3,893 3,893 N/A%
Incl. Wall Time (microsec) per call N/A 3,893 3,893 N/A%
Excl. Wall Time (microsec) 87 87 N/A%
Incl. CPU (microsecs) 2,985 2,985 N/A%
Incl. CPU (microsecs) per call N/A 2,985 2,985 N/A%
Excl. CPU (microsec) 64 64 N/A%
Incl. MemUse (bytes) 144,368 144,368 N/A%
Incl. MemUse (bytes) per call N/A 144,368 144,368 N/A%
Excl. MemUse (bytes) -4,144 -4,144 N/A%
Incl. PeakMemUse (bytes) 82,392 82,392 N/A%
Incl. PeakMemUse (bytes) per call N/A 82,392 82,392 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% 3,893 51.7% 2,985 56.0% 144,368 49.3% 82,392 30.7%
Exclusive Metrics Diff for Current Function87 2.2% 64 2.1% -4,144 -2.9% 0 0.0%
Parent function
session_write_close1 100.0% 3,893 100.0% 2,985 100.0% 144,368 100.0% 82,392 100.0%
Child functions
Drupal\Core\Database\Query\Merge::execute1 8.3% 2,322 59.6% 1,414 47.4% 16,456 11.4% 21,736 26.4%
db_merge1 8.3% 1,300 33.4% 1,302 43.6% 119,136 82.5% 60,656 73.6%
Drupal\Core\Database\Query\Merge::key1 8.3% 62 1.6% 65 2.2% 4,992 3.5% 0 0.0%
drupal_static1 8.3% 29 0.7% 31 1.0% 1,096 0.8% 0 0.0%
Drupal::request2 16.7% 26 0.7% 28 0.9% 776 0.5% 0 0.0%
Symfony\Component\HttpFoundation\Request::isSecure1 8.3% 26 0.7% 29 1.0% 864 0.6% 0 0.0%
Symfony\Component\HttpFoundation\Request::getClientIp1 8.3% 13 0.3% 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% 10 0.3% 12 0.4% 768 0.5% 0 0.0%
Drupal\Component\Utility\Settings::get1 8.3% 3 0.1% 6 0.2% 848 0.6% 0 0.0%
drupal_save_session1 8.3% 2 0.1% 3 0.1% 832 0.6% 0 0.0%