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 session_start

session_startRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls1 -1 -100.0%
Incl. Wall Time (microsec)102 -102 -100.0%
Incl. Wall Time (microsec) per call 102 N/A -102 -100.0%
Excl. Wall Time (microsec)29 -29 -100.0%
Incl. CPU (microsecs)104 -104 -100.0%
Incl. CPU (microsecs) per call 104 N/A -104 -100.0%
Excl. CPU (microsec)25 -25 -100.0%
Incl. MemUse (bytes)9,408 -9,408 -100.0%
Incl. MemUse (bytes) per call 9,408 N/A -9,408 -100.0%
Excl. MemUse (bytes)1,888 -1,888 -100.0%
Incl. PeakMemUse (bytes)6,360 -6,360 -100.0%
Incl. PeakMemUse (bytes) per call 6,360 N/A -6,360 -100.0%
Excl. PeakMemUse (bytes)1,608 -1,608 -100.0%

Parent/Child Regression/Improvement report for session_start [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
session_start-1 -33.3% -102 -0.0% -104 -0.1% -9,408 -2.1% -6,360 -1.1%
Exclusive Metrics Diff for Current Function-29 -28.4% -25 -24.0% -1,888 -20.1% -1,608 -25.3%
Parent function
drupal_session_start-1 -100.0% -102 -100.0% -104 -100.0% -9,408 -100.0% -6,360 -100.0%
Child functions
_drupal_session_read-1 -50.0% -72 -70.6% -73 -70.2% -6,696 -71.2% -4,224 -66.4%
_drupal_session_open-1 -50.0% -1 -1.0% -6 -5.8% -824 -8.8% -528 -8.3%