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| author | Sylvain Munaut <tnt@246tNt.com> | 2018-11-17 19:19:32 +0100 |
|---|---|---|
| committer | Sylvain Munaut <tnt@246tNt.com> | 2018-11-19 18:52:40 +0100 |
| commit | d6fd0e7e5b3d0d7eef4013c1b0547a3066b0a485 (patch) | |
| tree | 92b98fa117c79f2d16fa2b8552cdb4b60348289c /README.md | |
| parent | 1851ebb1c6b9edc2d8396494864fa7fa3b833c9d (diff) | |
| download | nextpnr-d6fd0e7e5b3d0d7eef4013c1b0547a3066b0a485.tar.gz nextpnr-d6fd0e7e5b3d0d7eef4013c1b0547a3066b0a485.tar.bz2 nextpnr-d6fd0e7e5b3d0d7eef4013c1b0547a3066b0a485.zip | |
common/placer1: In random pick, only use grid if there is more than 64 BELs
If you have a large grid and very few BELs of a given type, picking a
random grid location yields very little odds of finding a BEL of that
type.
So for those, just put all of them at (0,0) and do a true random pick.
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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