Diff Report
Run #519fbcb7249d1: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbb3f5c2a0: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_session_initialize

drupal_session_initializeRun #519fbcb7249d1Run #519fbb3f5c2a0DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,476 2,101 -375 -15.1%
Incl. Wall Time (microsec) per call 2,476 2,101 -375 -15.1%
Excl. Wall Time (microsec)40 38 -2 -5.0%
Incl. CPU (microsecs)2,282 2,014 -268 -11.7%
Incl. CPU (microsecs) per call 2,282 2,014 -268 -11.7%
Excl. CPU (microsec)24 26 2 8.3%
Incl. MemUse (bytes)289,728 289,736 8 0.0%
Incl. MemUse (bytes) per call 289,728 289,736 8 0.0%
Excl. MemUse (bytes)4,128 4,128 0 0.0%
Incl. PeakMemUse (bytes)344,904 344,856 -48 -0.0%
Incl. PeakMemUse (bytes) per call 344,904 344,856 -48 -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% -375 -98.4% -268 -83.8% 8 0.0% -48 -0.1%
Exclusive Metrics Diff for Current Function-2 -0.5% 2 0.7% 0 0.0% 0 0.0%
Parent function
drupal_bootstrap0 N/A% -375 -100.0% -268 -100.0% 8 100.0% -48 -100.0%
Child functions
drupal_get_user_timezone0 N/A% -209 -55.7% -100 -37.3% 0 0.0% 0 0.0%
drupal_anonymous_user0 N/A% -108 -28.8% -109 -40.7% 0 0.0% -56 -116.7%
Drupal::request0 N/A% -53 -14.1% -54 -20.1% 8 100.0% 8 16.7%
uniqid0 N/A% -2 -0.5% -2 -0.7% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::hashBase640 N/A% 2 0.5% 1 0.4% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::isSecure0 N/A% -2 -0.5% -3 -1.1% 0 0.0% 0 0.0%
session_set_save_handler0 N/A% -1 -0.3% -2 -0.7% 0 0.0% 0 0.0%
date_default_timezone_set0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
mt_rand0 N/A% 0 0.0% -2 -0.7% 0 0.0% 0 0.0%
session_name0 N/A% 0 0.0% 1 0.4% 0 0.0% 0 0.0%
session_id0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%