[libav-devel] [PATCH 6/6] lavr: Add x86-optimized function for flt to s32 conversion

Vitor Sessak vitor1001 at gmail.com
Wed May 2 23:01:54 CEST 2012


On 05/02/2012 08:53 PM, Justin Ruggles wrote:
> On 05/02/2012 02:46 PM, Vitor Sessak wrote:
>
>> On 05/01/2012 10:49 PM, Justin Ruggles wrote:
>>> ---
>>> Athlon64
>>>      C - 8176
>>> SSE2 - 1784
>>>
>>> SandyBridge
>>>      C - 5578
>>> SSE2 -  418
>>
>> Is there any reason why not to do an AVX (YMM) version?
>
>
> It was actually slower when I tested it on sandy bridge. If some other
> system runs it faster it's easy to add.

Strange. And what about 128-bit 3-op?

-Vitor


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