diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/kernel/command.cc | 2 | ||||
| -rw-r--r-- | common/place/placer_heap.cc | 13 |
2 files changed, 10 insertions, 5 deletions
diff --git a/common/kernel/command.cc b/common/kernel/command.cc index 6d2dc939..65aa0299 100644 --- a/common/kernel/command.cc +++ b/common/kernel/command.cc @@ -190,7 +190,7 @@ po::options_description CommandHandler::getGeneralOptions() "placer heap criticality exponent (int, default: 2)"); general.add_options()("placer-heap-timingweight", po::value<int>(), "placer heap timing weight (int, default: 10)"); general.add_options()("placer-heap-cell-placement-timeout", po::value<int>(), - "allow placer to attempt up to the given number of iterations to place the cell (int, default: design size^2 / 8, 0 for no timeout)"); + "allow placer to attempt up to max(10000, total cells^2 / N) iterations to place a cell (int N, default: 8, 0 for no timeout)"); #if !defined(__wasm) general.add_options()("parallel-refine", "use new experimental parallelised engine for placement refinement"); diff --git a/common/place/placer_heap.cc b/common/place/placer_heap.cc index ae04118b..781a7646 100644 --- a/common/place/placer_heap.cc +++ b/common/place/placer_heap.cc @@ -1817,10 +1817,15 @@ PlacerHeapCfg::PlacerHeapCfg(Context *ctx) timing_driven = ctx->setting<bool>("timing_driven"); solverTolerance = 1e-5; placeAllAtOnce = false; - cell_placement_timeout = ctx->setting<int>("placerHeap/cellPlacementTimeout", - // Set a conservative default. 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)); + + int timeout_divisor = ctx->setting<int>("placerHeap/cellPlacementTimeout", 8); + if (timeout_divisor > 0) { + // Set a conservative default. This is a rather large number and could probably + // be shaved down, but for now it will keep the process from running indefinite. + cell_placement_timeout = std::max(10000, (int(ctx->cells.size()) * int(ctx->cells.size()) / timeout_divisor)); + } else { + cell_placement_timeout = 0; + } hpwl_scale_x = 1; hpwl_scale_y = 1; |