Diff Report
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for session_start

session_startRun #517c76da9b0d3Run #517c75d3de7c7DiffDiff%
Number of Function Calls 1 1 N/A%
Incl. Wall Time (microsec) 100 100 N/A%
Incl. Wall Time (microsec) per call N/A 100 100 N/A%
Excl. Wall Time (microsec) 26 26 N/A%
Incl. CPU (microsecs) 101 101 N/A%
Incl. CPU (microsecs) per call N/A 101 101 N/A%
Excl. CPU (microsec) 26 26 N/A%
Incl. MemUse (bytes) 9,408 9,408 N/A%
Incl. MemUse (bytes) per call N/A 9,408 9,408 N/A%
Excl. MemUse (bytes) 1,888 1,888 N/A%
Incl. PeakMemUse (bytes) 6,360 6,360 N/A%
Incl. PeakMemUse (bytes) per call N/A 6,360 6,360 N/A%
Excl. PeakMemUse (bytes) 1,608 1,608 N/A%

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_start1 33.3% 100 0.0% 101 0.1% 9,408 3.9% 6,360 1.8%
Exclusive Metrics Diff for Current Function26 26.0% 26 25.7% 1,888 20.1% 1,608 25.3%
Parent function
drupal_session_start1 100.0% 100 100.0% 101 100.0% 9,408 100.0% 6,360 100.0%
Child functions
_drupal_session_read1 50.0% 73 73.0% 74 73.3% 6,696 71.2% 4,224 66.4%
_drupal_session_open1 50.0% 1 1.0% 1 1.0% 824 8.8% 528 8.3%