diff options
| -rw-r--r-- | common/placer1.cc | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/common/placer1.cc b/common/placer1.cc index 4659da11..ee7225b5 100644 --- a/common/placer1.cc +++ b/common/placer1.cc @@ -75,10 +75,10 @@ class SAPlacer bool place() { log_break(); + ctx->lock(); size_t placed_cells = 0; // Initial constraints placer - ctx->lock(); for (auto &cell_entry : ctx->cells) { CellInfo *cell = cell_entry.second.get(); auto loc = cell->attrs.find(ctx->id("BEL")); @@ -112,6 +112,7 @@ class SAPlacer } int constr_placed_cells = placed_cells; log_info("Placed %d cells based on constraints.\n", int(placed_cells)); + ctx->yield(); // Sort to-place cells for deterministic initial placement std::vector<CellInfo *> autoplaced; @@ -123,28 +124,25 @@ class SAPlacer } std::sort(autoplaced.begin(), autoplaced.end(), [](CellInfo *a, CellInfo *b) { return a->name < b->name; }); ctx->shuffle(autoplaced); - ctx->unlock(); // Place cells randomly initially log_info("Creating initial placement for remaining %d cells.\n", int(autoplaced.size())); for (auto cell : autoplaced) { - ctx->lock(); place_initial(cell); placed_cells++; if ((placed_cells - constr_placed_cells) % 500 == 0) log_info(" initial placement placed %d/%d cells\n", int(placed_cells - constr_placed_cells), int(autoplaced.size())); - ctx->unlock(); } if ((placed_cells - constr_placed_cells) % 500 != 0) log_info(" initial placement placed %d/%d cells\n", int(placed_cells - constr_placed_cells), int(autoplaced.size())); + ctx->yield(); log_info("Running simulated annealing placer.\n"); // Calculate metric after initial placement - ctx->lock(); curr_metric = 0; curr_tns = 0; for (auto &net : ctx->nets) { @@ -152,7 +150,6 @@ class SAPlacer metrics[net.first] = wl; curr_metric += wl; } - ctx->unlock(); int n_no_progress = 0; double avg_metric = curr_metric; @@ -249,7 +246,7 @@ class SAPlacer ctx->yield(); } // Final post-pacement validitiy check - ctx->lock(); + ctx->yield(); for (auto bel : ctx->getBels()) { IdString cell = ctx->getBoundBelCell(bel); if (!ctx->isBelLocationValid(bel)) { |