Re: [Jack-Devel] AMD Bulldozer CPUs, shared FPU and Intel Hyper-threading

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DateWed, 20 Mar 2013 15:51:24 +0200
From Nedko Arnaudov <[hidden] at arnaudov dot name>
ToAllan Klinbail <[hidden] at iinet dot net dot au>
Cc[hidden] at lists dot jackaudio dot org
In-Reply-ToAllan Klinbail Re: [Jack-Devel] AMD Bulldozer CPUs, shared FPU and Intel Hyper-threading 
Allan Klinbail <[hidden]> writes:

> On Thu, 2013-02-21 at 15:25 +0200, Nedko Arnaudov wrote:
>> Clemens Ladisch <[hidden]> writes:
>> > In practice, the FPU sharing matters only if you use 256-bit AVX
>> > instructions, because those must be executed in two steps.
>> 
>> It is expected that performance of the newer CPU family is better. The
>> point is the possibility of xruns happening occasionally at 50% DSP
>> load.
>
> Has this been tested? 

I didnt made a test load that uses AVX instructions.

-- 
Nedko Arnaudov <GnuPG KeyID: 5D1B58ED>
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