regression test is running, but these is a epoch mismatch fatal

@hongchao, can you check the why there is epoch mismatch error? the regression test seems to be working with each iteration comes back right value.
I was wondering why there is no error from tree top test. Will check to
make sure.
Xiaoyun
2014年11月28日 上午11:12于 "Hongchao Deng" <notifications@github.com>写道：

> In tree_topo.go:
>
> > @@ -44,10 +44,10 @@ func (t *TreeTopology) SetNumberOfTasks(nt uint64) {
> >
> >  // Creates a new tree topology with given fanout and number of tasks.
> >  // This will be called each
> > -func NewTreeTopology(fanout, maxID uint64) *TreeTopology {
> > +func NewTreeTopology(fanout, nTasks uint64) *TreeTopology {
>
> Unless you change the entire impl., you shouldn't change the definition of
> functions like that.
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/go-distributed/meritop/pull/69/files#r21015798>.
>