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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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