--- In Paulo Marques <> wrote:
> Isn't this result not to flattering for maverick crunch because of
> benchmarking arithmetic divisions too?
>
> From the benchmarks posted by cirrus:
>
> soft_float:
> ADD: calculation took 187 ms, test rv=2.2556635255738473e+06
> SUB: calculation took 191 ms, test rv=-2.2556635255738473e+06
> MUL: calculation took 310 ms, test rv=7.0863759618797886e+06
> DIV: calculation took 1037 ms, test rv=1.9758917663375622e+06
>
> crunch compiled:
> ADD: calculation took 1 ms, test rv=2.2556635255738473e+06
> SUB: calculation took 1 ms, test rv=-2.2556635255738473e+06
> MUL: calculation took 25 ms, test rv=7.0863759618797889e+06
> NRD: calculation took 670 ms, test rv=1.9758917663375624e+06
> DIV: calculation took 1020 ms, test rv=1.9758917663375624e+06
>
> So even if you improve soft by a factor of 6, additions, subtractions
> and multiplications would still be much much better using crunch. And
> these are the basic operations you need to do matrix multiplication.
>
That could be a big push for us to move to 2.6.... I have an app that
runs javascript (slowly) and speeding up floating point would be very
good. Alas, we need sd card support.
Given the current state of "NO BINARY BLOBS" in the kernel, any chance
of that happening any time soon? I still haven't had a chance to work
with the 7300 and SD cards so I'm not sure how the sd driver is put
together.
--Yan
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