Re: Benchmark recommendations needed

[andras@tantosonline.com]

Thanks H-P! I'll certainly check it out.

Andras

February 17, 2022 9:15 AM, "Hans-Peter Nilsson" <hp@bitrange.com> wrote:

> On Mon, 14 Feb 2022, Andras Tantos wrote:
> 
>> Hello all!
>> 
>> I'm working on porting GCC to a new processor architecture. I think
>> I've finally got to a fairly stable stage, so the next logical step
>> would be to test and optimize. For that, I would need some benchmarks,
>> and this is where I'm seeking your help.
>> 
>> This being a hobby project, I can't shell out $1000+ for the spec
>> suite. On top of that, I only have newlib ported as the runtime, which
>> means very limited support for OS facilities.
>> 
>> I already have dhrystone, but what else would you recommend using?
>> 
>> I'm looking for 'general purpose' payloads, things, where I can judge
>> object code size, instruction set utilization, look for tuning
>> opportunities, etc.
>> 
>> I would like to also be able to compare the results with other
>> architectures (FPGA cores, such as nios2 as well as some low-end cores,
>> such as 32-bit arm/thumb and riscv-RV32IMFC).
>> 
>> So, can you suggest some benchmarks or applications to be used as ones?
> 
> I don't see Coremark being mentioned yet. It's at
> https://github.com/eembc/coremark.git and certainly
> general-purpose; just have follow README.md. I suggest the 10
> iterations mentioned in README.md and outputting the number of
> cycles from your simulator at exit (through a hook or by a
> simulator option).
> 
> brgds, H-P