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Message
From: Dimitrios Orfanos<sirtimid@g...>
Date: Tue Feb 19 09:36:26 CET 2008
Subject: [openrisc] or1ksim 's question
On Monday 18 February 2008 15:30:54 Pier Francesco Maria Santi wrote:
> Hi everybody.
> Anyone have a Windows complete toolchain for OPENRISC?
>
> yueng ha scritto:
> > I change the sim.cfg , mem read and write both delay 1.
> > i run jpeg decode in the or1ksim
> > the result is
> > 310,200,242 cycles, 171,816,396 instructions
> > compare with arm7 it use only 56,000,000 cycle, and 40,000,000
> > instructions
> >
> > i remember that i read or1ksim is about 90% cycle accurate somewhere,
> > same jpeg decode C code ,why or1ksim use so many instructions? and so
> > many cycles.
> >
> >
> > thank you
>
> _______________________________________________
> http://www.opencores.org/mailman/listinfo/openrisc
you can use cygwin
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