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 <gem5-users@gem5.org> > *Sent:* Saturday, December 23, 2023 7:44 PM > *To:* gem5-users <gem5-users@gem5.org> > *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. > _______________________________________________ > gem5-users mailing list -- gem5-users@gem5.org > To unsubscribe send an email to gem5-users-le...@gem5.org >
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