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Message
From: Pier Francesco Maria Santi<pfm.santi@e...>
Date: Mon Feb 18 14:30:54 CET 2008
Subject: [openrisc] or1ksim 's question
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
>
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