[Libre-soc-bugs] [Bug 413] New: DIV "trial" blocks are too large

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Thu Jul 2 20:02:32 BST 2020


            Bug ID: 413
           Summary: DIV "trial" blocks are too large
           Product: Libre-SOC's first SoC
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: CONFIRMED
          Severity: enhancement
          Priority: ---
         Component: Hardware Layout
          Assignee: lkcl at lkcl.net
          Reporter: lkcl at lkcl.net
                CC: libre-soc-bugs at lists.libre-soc.org
   NLnet milestone: ---

the "trial" blocks used in the div pipelines create 2.1 megabyte VHDL
files each, during layout, and there are 270 of them.  this results
in a jump in the size of the BLIF file from 10 megabytes to 100 megabytes,
and a jump from 85,000 blocks (which coriolis2 can cope with)
to 500,000 (which it cannot).

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