[x265] [PATCH Update] asm: interp_8tap_hv_pp_8x8() for InterpolateHV_8x8

[Steve Borho]

On Fri, Oct 25, 2013 at 11:05 PM, chen <chenm003 at 163.com> wrote:

> On Fri, Oct 25, 2013 at 7:25 AM, Min Chen <chenm003 at 163.com> wrote:
>
>   # HG changeset patch
>> # User Min Chen <chenm003 at 163.com>
>> # Date 1382703678 -28800
>> # Node ID 2221e3abb479b1e9a586d80d769373d13c7f7980
>> # Parent  4ca4da7bdd36fbef00b9eefe54c0a56bf11633f3
>> asm: interp_8tap_hv_pp_8x8() for InterpolateHV_8x8
>>
>
> How does this compare, performance wise, to the combined h_ps + v_sp
> intrinsic functions?
>
> [MC] about 2.8x
>
>
Ok, not bad.

If we allocate the intermediate buffer on the stack, we should allocate it
to the exact size requirement, which is width * (height + 7) *
sizeof(int16_t)

-- 
Steve Borho
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