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Date: Wed, 03 Oct 2012 14:52:19 +0400
From: Alexander Cherepanov <cherepan@...me.ru>
To: john-dev@...ts.openwall.com
Subject: Re: GPL license is not free at all

On 2012-10-03 13:45, Milen Rangelov wrote:
>> Switching to a free toolchain would also be a good thing. Isn't LLVM
>> support for OpenCL (say, https://bitbucket.org/gnarf/axtor/ ) already
>> sufficient for this?

I'll try to answer in more details later.

> No, the compiler itself is not enough. Even if we had a complete opensource
> compiler (say LLVM opencl frontend/ISA backend) that's just one of the
> components. You also need to have the runtime (opencl library) which
> communicates with the driver to transfer and execute the compiled kernel,
> do buffer management and so on. 

Aren't Portable OpenCL and/or libclc ( http://libclc.llvm.org/ ) enough
for this?

> And even the driver itself is proprietary.

Aren't Gallium3D/clover or pscnv enough?

-- 
Alexander Cherepanov

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