[Libre-soc-bugs] [Bug 1155] O(n^2) multiplication REMAP mode(s)

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=1155

--- Comment #80 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
holy cow this is getting complex :)

currently (remapyield.py example) this is achievable:

  triangle 5 5 5 1
  iterate_indices 5 tri True mod True offs True dims 1 5 5 mode 0b11 sm2 0b0
_skip 3 inv [0, 0, 0]
   0->0  11
   1->1   1  2->2  11
   3->2   1  4->3   1  5->4  11
   6->3   1  7->4   1  8->5   1  9->6  11
  10->4   1 11->5   1 12->6   1 13->7   1 14->8  111

but what is actually needed is

  0
  10
  210
  3210

working through it

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