Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for _drupal_session_read

_drupal_session_readRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls1 -1 -100.0%
Incl. Wall Time (microsec)72 -72 -100.0%
Incl. Wall Time (microsec) per call 72 N/A -72 -100.0%
Excl. Wall Time (microsec)23 -23 -100.0%
Incl. CPU (microsecs)73 -73 -100.0%
Incl. CPU (microsecs) per call 73 N/A -73 -100.0%
Excl. CPU (microsec)19 -19 -100.0%
Incl. MemUse (bytes)6,696 -6,696 -100.0%
Incl. MemUse (bytes) per call 6,696 N/A -6,696 -100.0%
Excl. MemUse (bytes)-440 440 100.0%
Incl. PeakMemUse (bytes)4,224 -4,224 -100.0%
Incl. PeakMemUse (bytes) per call 4,224 N/A -4,224 -100.0%
Excl. PeakMemUse (bytes)1,680 -1,680 -100.0%

Parent/Child Regression/Improvement report for _drupal_session_read [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_read-1 -16.7% -72 -0.0% -73 -0.1% -6,696 -1.5% -4,224 -0.7%
Exclusive Metrics Diff for Current Function-23 -31.9% -19 -26.0% 440 6.6% -1,680 -39.8%
Parent function
session_start-1 -100.0% -72 -100.0% -73 -100.0% -6,696 -100.0% -4,224 -100.0%
Child functions
drupal_anonymous_user-1 -20.0% -37 -51.4% -39 -53.4% -3,928 -58.7% -1,008 -23.9%
drupal_register_shutdown_function-1 -20.0% -10 -13.9% -11 -15.1% -1,496 -22.3% -576 -13.6%
session_name-2 -40.0% -1 -1.4% -3 -4.1% -888 -13.3% -480 -11.4%
substr-1 -20.0% -1 -1.4% -1 -1.4% -824 -12.3% -480 -11.4%