[Libre-soc-bugs] [Bug 654] dev-env-setup script for symbiflow (arty A7-100T)

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=654

--- Comment #26 from vklr at vkten.in <vklr at vkten.in> ---
vtr with tbb reduces run time of vpr very much. I used env var
VPR_NUM_WORKERS=68 on talos server. It reduced run time from 1 hour to 15-20
mins for symbiflow artix7(x50t) toolchain.

For artix7 (x50t) target:
 symbiflow toolchain build: pass
       counter test: pass
 symbiflow-examples:
       counter test: pass
       picosoc demo: pass
       linux litex demo: pass
       litex demo: pass

Both plain vtr and vtr with tbb can be installed in the system. Only PATH for
vpr binary has to be adjusted.

So shall we install both or only one with option to select which? (in
symbiflow-install)

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