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| author | David Shah <davey1576@gmail.com> | 2018-06-29 15:30:00 +0200 |
|---|---|---|
| committer | David Shah <davey1576@gmail.com> | 2018-06-29 15:30:00 +0200 |
| commit | 23789b756989dc2146717860985ffa857bdbb4d4 (patch) | |
| tree | 047d835878d39a1295162b1f91f19969541a99fd | |
| parent | 4977b35d2f0d649d7a5be82751e2997dd597f36d (diff) | |
| download | nextpnr-23789b756989dc2146717860985ffa857bdbb4d4.tar.gz nextpnr-23789b756989dc2146717860985ffa857bdbb4d4.tar.bz2 nextpnr-23789b756989dc2146717860985ffa857bdbb4d4.zip | |
Increase temp and diameter after legalisation
Signed-off-by: David Shah <davey1576@gmail.com>
| -rw-r--r-- | common/place_sa.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/common/place_sa.cc b/common/place_sa.cc index 75686485..17be91a2 100644 --- a/common/place_sa.cc +++ b/common/place_sa.cc @@ -40,6 +40,7 @@ #include "place_common.h" #include "place_legaliser.h" #include "util.h" +#include "timing.h" NEXTPNR_NAMESPACE_BEGIN class SAPlacer @@ -215,6 +216,8 @@ class SAPlacer if (cell.second->belStrength < STRENGTH_STRONG) autoplaced.push_back(cell.second); } + temp = post_legalise_temp; + diameter *= post_legalise_dia_scale; ctx->shuffle(autoplaced); } @@ -421,6 +424,8 @@ class SAPlacer std::unordered_set<BelId> locked_bels; bool require_legal = false; const float legalise_temp = 1; + const float post_legalise_temp = 20; + const float post_legalise_dia_scale = 2; }; bool place_design_sa(Context *ctx, bool timing_driven) |