[m-dev.] Performance of collect

Fergus Henderson fjh at cs.mu.OZ.AU
Mon Sep 25 22:06:17 AEDT 2000


On 25-Sep-2000, Erwan Jahier <Erwan.Jahier at irisa.fr> wrote:
> | On 24-Sep-2000, Erwan Jahier <Erwan.Jahier at irisa.fr> wrote:
> | > | You're calling from C to Mercury.  In our current implementation (LLDS back-end),
> | > | this is fairly expensive.  
> | > 
> | > So what about the HLDS back-end then?
> | > 
> | > Is it ready to use?
> | 
> | Yes, but not for tracing -- currently it doesn't support the debugger.
> 
> Well currently, you can not use the debugger to debug collect programs anyway
> (it is dynamically linked code). So ...

Currently the MLDS back-end doesn't generate *any* calls to MR_trace().
So it can't be used for any kind of tracing, whether it be mdb, Morphine,
the declarative debugger, or collect.

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>  |  of excellence is a lethal habit"
PGP: finger fjh at 128.250.37.3        |     -- the last words of T. S. Garp.
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