On Wed, 3 Oct 2001 11:08:39 +0530
"Nagaraj G.K" <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I'm new to this list, this is my 1st question.
> but its not related to OS (Linux) part.
>
> Q : Is ARM Integrator CM720T have a floating point
> co-processor ?
No.
If you need floating point, ARM is the wrong archetecture for you. There was
only ever one floating point coprocessor for an ARM cpu. It's old, it's slow, it's
long ago end-of-lifed, and it's not compatible with any currently produced chips.
If you need oodles of floating point ops to get done what you're doing with a
minimal ammount of power consumption, I suggest a Hitachi SuperH processor. SH4
approaches 1 gigaflop.
For regular use, the floating point emulation in the kernel seems to do an OK
job. for heavy math, it's simply no replacement for a real floating point unit. If you
have an existing code base which you wish to use on ARM and which uses a lot of
floating point, you may be headed down the wrong road, unless you're open to the
concept of converting all the math to fixed point. The MAD mp3 player is a good
example of how well that can work on ARM.
- Eric
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