|Subject:||Re: [Discuss-gnuradio] Volk branch on github|
|Date:||Thu, 16 Feb 2012 13:56:16 -0800|
There was some talk about making volk handle head cases (most kernels
On 02/16/2012 01:30 PM, Douglas Geiger wrote:
> On Thu, Feb 16, 2012 at 2:08 PM, Josh Blum <address@hidden> wrote:
>> Perhaps this is because you have a processor that doesn't penalize you
>> for unaligned loads/stores.
> Which suggests this decision may need to be made on a
> per-arch/processor basis, and therefore it may be most appropriate for
> Volk to figure it out rather than the scheduler.
already handle tail cases).
This would mean writing a volk_32f_x2_multiply_32f that calls
volk_32f_x2_multiply_32f_a and volk_32f_x2_multiply_32f_u based on the
Such a thing could be generated, so long as we have a way to convey to
the generator something about the parameters. Maybe we just need the
framework... and every time someone wants a volk kernel that handles
head and tail cases, they just fill in a few lines to the generator.
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