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Re: [Discuss-gnuradio] Performance for GNU-Radio: Intel i3-6100 or AMD F

From: mleech
Subject: Re: [Discuss-gnuradio] Performance for GNU-Radio: Intel i3-6100 or AMD FX-4300
Date: Thu, 22 Sep 2016 12:49:57 -0400
User-agent: Roundcube Webmail/1.1.5

Note that the FX series (at least, some of them) use a shared FPU arrangement.

Having said that, I have an FX-8350 system that does fairly well with 6 receivers operating at 2.56Msps, doing correlation interferometry (computing 15 visibility functions in parallel for the 6 receivers).




On 2016-09-22 11:55, Henry Barton wrote:

I would go for more real cores. Back when I was doing CGI, I thought the  
Pentium 4 with HT would be a good idea, but it wasn't. On that CPU, the  
logical Intel cores only do integer operations; floating-point can only be  
done on real cores. It's probably the same on the modern chips, otherwise  
they'd just say 4 real cores. So even though I normally favor Intel PC's,  
if these 2 are your only choices then I would suggest the AMD.

On Thu, 22 Sep 2016 10:20:50 -0400, Fernando Peral  
<address@hidden> wrote:

I'm buying a new computer and two possible options will be intel
i3-6100   and AMD FX-4300.

Performance using GNU-Radio may be the key to the selection of one or
the other.

I guess the more cores the CPU, the better the performance.

FX-4300 is 4 cores,  i3-6100 is only two cores but they say both of them
runs 4 threads.

I should think that a real core (AMD) will work faster than a "logic"
one (intel), but reading benchmarks it seems that i3-6100 beats FX-4300
.....  but  what with GNU-Radio?

Anyone has test both?


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