Diff Report
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e636f9416a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #519e62c02d767Run #519e636f9416aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,245 1,436 191 15.3%
Incl. Wall Time (microsec) per call 1,245 1,436 191 15.3%
Excl. Wall Time (microsec)37 40 3 8.1%
Incl. CPU (microsecs)1,158 1,262 104 9.0%
Incl. CPU (microsecs) per call 1,158 1,262 104 9.0%
Excl. CPU (microsec)22 30 8 36.4%
Incl. MemUse (bytes)289,808 289,808 0 0.0%
Incl. MemUse (bytes) per call 289,808 289,808 0 0.0%
Excl. MemUse (bytes)4,128 4,128 0 0.0%
Incl. PeakMemUse (bytes)344,648 344,648 0 0.0%
Incl. PeakMemUse (bytes) per call 344,648 344,648 0 0.0%
Excl. PeakMemUse (bytes)2,984 2,984 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% 191 1.2% 104 0.7% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function3 1.6% 8 7.7% 0 N/A% 0 N/A%
Parent function
drupal_bootstrap0 N/A% 191 100.0% 104 100.0% 0 N/A% 0 N/A%
Child functions
drupal_get_user_timezone0 N/A% 117 61.3% 28 26.9% 0 N/A% 0 N/A%
drupal_anonymous_user0 N/A% 32 16.8% 33 31.7% 0 N/A% 0 N/A%
Drupal::request0 N/A% 32 16.8% 33 31.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% 3 1.6% 2 1.9% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::hashBase640 N/A% 2 1.0% 2 1.9% 0 N/A% 0 N/A%
session_name0 N/A% 1 0.5% -2 -1.9% 0 N/A% 0 N/A%
session_set_save_handler0 N/A% 1 0.5% 1 1.0% 0 N/A% 0 N/A%
date_default_timezone_set0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
mt_rand0 N/A% 0 0.0% -1 -1.0% 0 N/A% 0 N/A%
uniqid0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
session_id0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%