Diff Report
Run #519c0a965645d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c0a514701f: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #519c0a965645dRun #519c0a514701fDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)4,837 3,905 -932 -19.3%
Incl. Wall Time (microsec) per call 4,837 3,905 -932 -19.3%
Excl. Wall Time (microsec)77 63 -14 -18.2%
Incl. CPU (microsecs)4,408 3,443 -965 -21.9%
Incl. CPU (microsecs) per call 4,408 3,443 -965 -21.9%
Excl. CPU (microsec)53 40 -13 -24.5%
Incl. MemUse (bytes)187,404 187,404 0 0.0%
Incl. MemUse (bytes) per call 187,404 187,404 0 0.0%
Excl. MemUse (bytes)2,112 2,112 0 0.0%
Incl. PeakMemUse (bytes)191,728 191,728 0 0.0%
Incl. PeakMemUse (bytes) per call 191,728 191,728 0 0.0%
Excl. PeakMemUse (bytes)1,652 1,652 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% -932 -61.9% -965 -101.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-14 -1.5% -13 -1.3% 0 N/A% 0 N/A%
Parent function
drupal_bootstrap0 N/A% -932 -100.0% -965 -100.0% 0 N/A% 0 N/A%
Child functions
drupal_anonymous_user0 N/A% -699 -75.0% -698 -72.3% 0 N/A% 0 N/A%
Drupal::request0 N/A% -182 -19.5% -183 -19.0% 0 N/A% 0 N/A%
drupal_get_user_timezone0 N/A% -18 -1.9% -51 -5.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% -12 -1.3% -12 -1.2% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::hashBase640 N/A% -4 -0.4% -4 -0.4% 0 N/A% 0 N/A%
uniqid0 N/A% -3 -0.3% -3 -0.3% 0 N/A% 0 N/A%
date_default_timezone_set0 N/A% 1 0.1% 2 0.2% 0 N/A% 0 N/A%
mt_rand0 N/A% -1 -0.1% -1 -0.1% 0 N/A% 0 N/A%
session_name0 N/A% 0 0.0% 1 0.1% 0 N/A% 0 N/A%
session_set_save_handler0 N/A% 0 0.0% -2 -0.2% 0 N/A% 0 N/A%
session_id0 N/A% 0 0.0% -1 -0.1% 0 N/A% 0 N/A%