[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

Luke Kenneth Casson Leighton <lkcl at lkcl.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   budget (EUR) for|600                         |750
         this task,|                            |
          excluding|                            |
   subtasks' budget|                            |
 total budget (EUR)|600                         |750
  for completion of|                            |
       task and all|                            |
           subtasks|                            |
       The table of|lkcl=100
                   |lkcl=150
  payments (in EUR)|veera=500                   |veera=600
     for this task;|                            |
        TOML format|                            |

--- Comment #31 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to vklr at vkten.in from comment #26)
> 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.

eek, that sounds like it'll completely hammer a machine with multiple
processes,
let's not do that :)

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

okaaay.

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

yes that's a great idea.

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