Subject: Re: [boost] [msm] scalability
From: Christophe Henry (christophe.j.henry_at_[hidden])
Date: 2009-12-11 12:19:29
>Christophe, I'm sorry if my 2 cents won't be relevant since I'm not very
>familiar with neither MSM
I'm thankful for any help.
>The most common reason for compiler slowliness/crashiness that I've seen
>came from too deep of a template recursion.
>I'm not totally sure, but I
>think that you're using mpl::vector, which, I think, is a form of a type list.
AFAIK, this would be mpl::list. mpl::vector is defined as (for example
typename T0, typename T1, typename T2, typename T3
typedef aux::vector_tag<4> tag;
typedef vector4 type;
typedef T0 item0;
typedef T1 item1;
typedef T2 item2;
typedef T3 item3;
So there is no recursion depth, at least not here. I think the culprit
would more likely be the many mpl::fold.
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