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 drupal_save_session

drupal_save_sessionRun #517c75d3de7c7Run #517c76da9b0d3DiffDiff%
Number of Function Calls2 1 -1 -50.0%
Incl. Wall Time (microsec)3 2 -1 -33.3%
Incl. Wall Time (microsec) per call 2 2 1 33.3%
Excl. Wall Time (microsec)3 2 -1 -33.3%
Incl. CPU (microsecs)5 2 -3 -60.0%
Incl. CPU (microsecs) per call 3 2 -1 -20.0%
Excl. CPU (microsec)5 2 -3 -60.0%
Incl. MemUse (bytes)1,664 832 -832 -50.0%
Incl. MemUse (bytes) per call 832 832 0 0.0%
Excl. MemUse (bytes)1,664 832 -832 -50.0%
Incl. PeakMemUse (bytes)896 0 -896 -100.0%
Incl. PeakMemUse (bytes) per call 448 0 -448 -100.0%
Excl. PeakMemUse (bytes)896 0 -896 -100.0%

Parent/Child Regression/Improvement report for drupal_save_session [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_save_session-1 -100.0% -1 -0.0% -3 -0.0% -832 -0.3% -896 -0.3%
Exclusive Metrics Diff for Current Function-1 -100.0% -3 -100.0% -832 -100.0% -896 -100.0%
Parent functions
_drupal_session_write-1 -100.0% -1 -100.0% -2 -66.7% -832 -100.0% -568 -63.4%
drupal_session_commit0 0.0% 0 0.0% -1 -33.3% 0 0.0% -328 -36.6%