Just to add to this: to the best of my knowledge online compilation in
OpenCL is not supported in gem5 outside of KVM (which does that compilation
on the real CPU). I don't think it just increases simulation time -- I
think it just throws an error.
Matt
On Tue, Jan 2, 2024 at 1:37 PM Poremba, Matthew via gem5-users <
gem5-users@gem5.org> wrote:
> [Public]
>
> Hi Sandy,
>
>
>
>
>
> Depending on the benchmark, OpenCL might do an online compile (i.e.,
> compile the kernels right before running them). If you are using KVM it
> should just work. Otherwise, the online compilation will take a
> significant amount of simulation time and offline compiling would be
> preferred (i.e., compile the kernels offline on the disk image).
>
>
>
>
>
> -Matt
>
>
>
> *From:* 关富润 via gem5-users
> *Sent:* Saturday, December 23, 2023 7:44 PM
> *To:* gem5-users
> *Cc:* 关富润 <448367...@qq.com>
> *Subject:* [gem5-users] RENAME: HELP Needed for Running Benchmarks in GPU
> Full System Simulation
>
>
>
> *Caution:* This message originated from an External Source. Use proper
> caution when opening attachments, clicking links, or responding.
>
>
>
> Dear all,
>
> I am currently engaged in GPU full system simulation using gem5 and am at
> a stage where I seek to run benchmark suites, specifically Rodinia and
> PolyBench. I have observed that both of these benchmark suites support
> compilation for OpenCL architecture, and I have a few questions regarding
> the compilation and execution process within the gem5 environment. Compilation
> Framework: Should I compile these benchmarks under the OpenCL framework?
> Is this the recommended approach for compatibility with the gem5 GPU full
> system simulation?
>
>
>
> Utilizing ROCm in gem5: I noticed that the ROCm installed in the gpu-fs
> docker image includes OpenCL compilation tools. Is it feasible to directly
> compile these benchmarks within this environment? Are there any specific
> considerations or steps that I should be aware of? Guidance and
> Documentation: Would anyone be able to provide guidance or point me
> towards documentation on how to properly set up and execute these
> benchmarks in the gem5 GPU full system simulation context?
>
>
>
> Thank you in advance for your time and assistance. I look forward to any
> suggestions or guidance you can offer.
>
>
>
> Best regards,
>
> Sandy.
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