Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62091f2c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #52f2e60305388Run #52f2e62091f2cDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)1,128 1,258 130 11.5%
Incl. Wall Time (microsec) per call 564 629 65 11.5%
Excl. Wall Time (microsec)74 85 11 14.9%
Incl. CPU (microsecs)947 1,093 146 15.4%
Incl. CPU (microsecs) per call 474 547 73 15.4%
Excl. CPU (microsec)45 57 12 26.7%
Incl. MemUse (bytes)74,336 74,336 0 0.0%
Incl. MemUse (bytes) per call 37,168 37,168 0 0.0%
Excl. MemUse (bytes)4,128 4,128 0 0.0%
Incl. PeakMemUse (bytes)175,408 175,408 0 0.0%
Incl. PeakMemUse (bytes) per call 87,704 87,704 0 0.0%
Excl. PeakMemUse (bytes)1,768 1,768 0 0.0%

Parent/Child Regression/Improvement report for drupal_session_initialize [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_initialize0 N/A% 130 9.3% 146 5.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function11 8.5% 12 8.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Authentication\Provider\Cookie::authenticate0 N/A% 130 100.0% 146 100.0% 0 N/A% 0 N/A%
Child functions
drupal_get_user_timezone0 N/A% 57 43.8% 74 50.7% 0 N/A% 0 N/A%
drupal_anonymous_user0 N/A% 28 21.5% 28 19.2% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::hashBase640 N/A% 11 8.5% 8 5.5% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 7 5.4% 7 4.8% 0 N/A% 0 N/A%
Drupal::request0 N/A% 6 4.6% 8 5.5% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% 4 3.1% 6 4.1% 0 N/A% 0 N/A%
date_default_timezone_set0 N/A% 2 1.5% 2 1.4% 0 N/A% 0 N/A%
session_set_save_handler0 N/A% 2 1.5% 1 0.7% 0 N/A% 0 N/A%
uniqid0 N/A% 1 0.8% -1 -0.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ParameterBag::has0 N/A% 1 0.8% 1 0.7% 0 N/A% 0 N/A%
session_name0 N/A% 0 0.0% -1 -0.7% 0 N/A% 0 N/A%
session_id0 N/A% 0 0.0% 1 0.7% 0 N/A% 0 N/A%
mt_rand0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%