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Re: hf/sf [Was Re: CVS commit: pkgsrc/misc/raspberrypi-userland]



On Nov 12, 2013, at 2:06 PM, Matt Thomas <matt%3am-software.com@localhost> 
wrote:

> 
> On Nov 11, 2013, at 10:08 PM, Michael van Elst <mlelstv%serpens.de@localhost> 
> wrote:
> 
>> The "slowdown" is already enormous due to lack of floating point
>> hardware. That's why emulating the FP hardware is a very common
>> way to handle this situation, just look at the other platforms.
> 
> The exception handling is much costlier than doing a softfloat call.
> It’s also adding kernel bloat.

I agree.  Another example of bit rot is the analogous MIPS feature -- which is 
not even close to competitive with softfloat functionally, never mind on 
performance.

        paul


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