diff options
Diffstat (limited to 'common/place/placer_heap.cc')
| -rw-r--r-- | common/place/placer_heap.cc | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/common/place/placer_heap.cc b/common/place/placer_heap.cc index 4ee9b909..69edd325 100644 --- a/common/place/placer_heap.cc +++ b/common/place/placer_heap.cc @@ -828,6 +828,11 @@ class HeAPPlacer // Strict placement legalisation, performed after the initial HeAP spreading void legalise_placement_strict(bool require_validity = false) { + int placement_timeout = cfg.no_placement_timeout ? 0 : + // Set a conservative timeout. This is a rather large number and could probably be + // shaved down, but for now it will keep the process from running indefinite. + std::max(10000, (int(ctx->cells.size()) * int(ctx->cells.size()) / 8) + 1); + auto startt = std::chrono::high_resolution_clock::now(); // Unbind all cells placed in this solution @@ -879,11 +884,7 @@ class HeAPPlacer } while (!placed) { - // Set a conservative timeout. This is a rather large number and could probably be - // shaved down, but for now it will keep the process from running indefinite. - int timeout_limit = (int(ctx->cells.size()) * int(ctx->cells.size()) / 8) + 1; - - if (total_iters_for_cell > std::max(10000, timeout_limit)) + if (placement_timeout > 0 && total_iters_for_cell > placement_timeout) log_error("Unable to find legal placement for cell '%s' after %d attempts, check constraints and utilisation.\n", ctx->nameOf(ci), total_iters_for_cell); @@ -1818,6 +1819,7 @@ PlacerHeapCfg::PlacerHeapCfg(Context *ctx) timing_driven = ctx->setting<bool>("timing_driven"); solverTolerance = 1e-5; placeAllAtOnce = false; + no_placement_timeout = ctx->setting<bool>("placerHeap/noTimeout", false); hpwl_scale_x = 1; hpwl_scale_y = 1; |