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| GPU-aware compiling? mangoo@interia.pl (Tomasz Chmielewski) (2005-05-20) |
| Re: GPU-aware compiling? tmk@netvision.net.il (Michael Tiomkin) (2005-05-22) |
| Re: GPU-aware compiling? schummi@i.com.ua (Oleg V.Boguslavsky) (2005-05-22) |
| Re: GPU-aware compiling? scooter.phd@gmail.com (scooter.phd@gmail.com) (2005-05-24) |
| Re: GPU-aware compiling? rgd00@doc.ic.ac.uk (Rob Dimond) (2005-05-24) |
| Re: GPU-aware compiling? hannah@schlund.de (2005-05-24) |
| Re: GPU-aware compiling? bear@sonic.net (Ray Dillinger) (2005-06-26) |
| Re: GPU-aware compiling? der_julian@web.de (Julian Stecklina) (2005-07-02) |
| From: | "Oleg V.Boguslavsky" <schummi@i.com.ua> |
| Newsgroups: | comp.compilers |
| Date: | 22 May 2005 17:07:43 -0400 |
| Organization: | Compilers Central |
| References: | 05-05-184 |
| Keywords: | architecture, performance |
| Posted-Date: | 22 May 2005 17:07:43 EDT |
Tomasz Chmielewski wrote:
> In other words, a graphics chip on the graphics card can make really
> heavy computations, and it's easier and cheaper to buy a couple of
> top-performance graphisc cards than to buy a multi-CPU machine (which
> are quite expensive).
It depends on what tasks you plan to solve and how much resources you
have to develop the system.
> The second problem is that GPUs are heavily oriented towards
>floating point computations with small precision which is needed for
>3D. This can help with solving differential equations, weather
>prediction etc., but it will be much more difficult to compute
>discrete algorithms on these processors.
From the compiler's point of view you'll spend much time to make an
effective compiler. Look at the DSPs market - do you know many C
compilers which generate instructions for DSP's MAC-unit? which
generate MAC instead of MUL + ADD? i find 0 compilers, which do it
(even for such a DSPs like Motorola 56K, TI etc.). Besides - can smb.
point me to the compilers which do it?
From the other side the problem looks very interesting and contains many
problems, which can be researched.
Best Regards,
Oleg
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