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Date: Thu, 31 May 2018 08:14:13 -0700
From: Eric Oyen <>
Subject: Re: NVIDIA Jetson TK1 GPU & John

older GPU's?

ok, I have a couple of older model desktop machines here and both have NVidia GT-9xxx series video cards with substantial ram on board. can john utilize these? it's not like I have been doing anything else with them over the last 10 years.


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On May 31, 2018, at 7:50 AM, Solar Designer wrote:

> Hi Leonard,
> On Thu, Apr 12, 2018 at 04:27:38PM -0600, Leonard Rose wrote:
>> Has anyone used this development board successfully with JTR? I recently bought one used that I wanted to try JtR with 192 CUDA cores (up to 326 GFLOPS!) In the past I have built a small cluster using MPI of 66 ARM cpu but was hoping to build something useful with these NVIDIA boards. If I can get this working I can see a lot of fun in the future learning about GPU and OpenCL....
> I'm sorry no one seems to have replied to you so far.
> Yes, people tried JtR on NVIDIA Jetson TK1 before:
> These threads mention some old build issues, etc., but those are
> supposed to be fixed or otherwise irrelevant in current bleeding-jumbo
> (and yes, it'll be solely OpenCL now, including on NVIDIA, as we've
> dropped CUDA support).  So I am referring to the threads not for the way
> outdated advice/workarounds given there, but merely to answer your
> question.  You'll actually want to use bleeding-jumbo, and just try to
> build it in the usual way (e.g., "./configure && make -sj4") without any
> tweaks first.
> Please just give this a try and report any issues there might be - or
> report success even if there are no issues.
> Of course, these boards are actually very slow compared to modern large
> GPUs that you'd plug into x86 boxes.  But that shouldn't stop you from
> having fun.
> Alexander

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