diff options
Diffstat (limited to 'common/place_sa.cc')
| -rw-r--r-- | common/place_sa.cc | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/common/place_sa.cc b/common/place_sa.cc index 0a60adc8..2b8b960b 100644 --- a/common/place_sa.cc +++ b/common/place_sa.cc @@ -314,7 +314,12 @@ class SAPlacer load_cell->bel, ctx->portPinFromId(load.port)); // wirelength += std::abs(load_x - driver_x) + std::abs(load_y - // driver_y); - wirelength += ctx->estimateDelay(drv_wire, user_wire); + delay_t raw_wl = ctx->estimateDelay(drv_wire, user_wire); + wirelength += pow(1.3, (ctx->getDelayNS(raw_wl) - + ctx->getDelayNS(load.budget)) / + 10) + + ctx->getDelayNS(raw_wl); + // wirelength += pow(ctx->estimateDelay(drv_wire, user_wire), 2.0); } return wirelength; } @@ -376,9 +381,8 @@ class SAPlacer delta = new_wirelength - curr_wirelength; n_move++; // SA acceptance criterea - if (delta < 0 || - (temp > 1e-6 && - (ctx->rng() / float(0x3fffffff)) <= std::exp(-delta / temp))) { + if (delta < 0 || (temp > 1e-6 && (ctx->rng() / float(0x3fffffff)) <= + std::exp(-delta / temp))) { n_accept++; if (delta < 0) improved = true; |