TCal

Yeah, actually the Yosys Conda package is a bit old (3 days). Piotr mentioned that some packages were't getting approved as a new 'main' because of an unrelated CI failure.

@PiotrZierhoffer , I see the Litex-Hub Yosys 'main' issue has been resolved, so that we are getting an up-to-date Yosys version. I am still seeing differences between the Conda-provided tools...

Hi @PiotrZierhoffer , yes, there is still a difference looking at the latest workflows (https://github.com/google/CFU-Playground/actions/workflows/fmax-trials.yml and https://github.com/google/CFU-Playground/actions/workflows/fmax-trials-fresh-build.yml). The Yosys compile flags might not have anything to do with it; only...

> Should the results not be identical if given identical input / versions? Even though I should know what is going on, it confused me at first as well. Then...

I see identical results with the most recent runs; I'll close this.

I'm again seeing significant performance (critical path / fmax) differences for HPS between locally-built tools and Conda-provided tools. I see it both in CI and building locally. Using locally-built and...

The difference is entirely due to whether gcc or clang is used to build Yosys. With a local build, clang is default. If I instead build Yosys with: ``` make...

I opened https://github.com/YosysHQ/yosys/issues/3218 last week.

I probably forgot to add the new plugin to the `install_oxide` flow.

@alanvgreen can you update the status here when you get a chance?