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Re: [Qemu-devel] VLIW?
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-devel] VLIW? |
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Date: |
Thu, 17 Jun 2010 09:02:30 -0700 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100430 Fedora/3.0.4-3.fc13 Thunderbird/3.0.4 |
On 06/17/2010 08:12 AM, Gibbons, Scott wrote:
> Another question I have is how to handle this multithreaded
> architecture. This seems to be extraordinarily difficult as a
> dynamic translation problem and I'll probably defer it to later.
> But, if anyone has any suggestions, I'd be glad to hear them.
How is your threading different from other SMP systems?
In system mode, QEMU TCG is single-threaded and models SMP via
cooperative switching in between TCG translation blocks. It's
not ideal, but it does solve quite a number of problems and is
at least functional.
r~