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

session_write_closeRun #517c75d3de7c7Run #517c76da9b0d3DiffDiff%
Number of Function Calls1 -1 -100.0%
Incl. Wall Time (microsec)5,220 -5,220 -100.0%
Incl. Wall Time (microsec) per call 5,220 N/A -5,220 -100.0%
Excl. Wall Time (microsec)171 -171 -100.0%
Incl. CPU (microsecs)2,044 -2,044 -100.0%
Incl. CPU (microsecs) per call 2,044 N/A -2,044 -100.0%
Excl. CPU (microsec)170 -170 -100.0%
Incl. MemUse (bytes)90,496 -90,496 -100.0%
Incl. MemUse (bytes) per call 90,496 N/A -90,496 -100.0%
Excl. MemUse (bytes)1,264 -1,264 -100.0%
Incl. PeakMemUse (bytes)297,800 -297,800 -100.0%
Incl. PeakMemUse (bytes) per call 297,800 N/A -297,800 -100.0%
Excl. PeakMemUse (bytes)73,576 -73,576 -100.0%

Parent/Child Regression/Improvement report for session_write_close [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_write_close-1 -33.3% -5,220 -2.0% -2,044 -2.1% -90,496 -37.2% -297,800 -84.3%
Exclusive Metrics Diff for Current Function-171 -3.3% -170 -8.3% -1,264 -1.4% -73,576 -24.7%
Parent function
drupal_session_commit-1 -100.0% -5,220 -100.0% -2,044 -100.0% -90,496 -100.0% -297,800 -100.0%
Child functions
_drupal_session_write-1 -50.0% -5,048 -96.7% -1,872 -91.6% -88,400 -97.7% -224,224 -75.3%
_drupal_session_close-1 -50.0% -1 -0.0% -2 -0.1% -832 -0.9% 0 0.0%