diff options
Diffstat (limited to 'fpga_interchange/site_router.cc')
| -rw-r--r-- | fpga_interchange/site_router.cc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fpga_interchange/site_router.cc b/fpga_interchange/site_router.cc index 4094b331..820b8d68 100644 --- a/fpga_interchange/site_router.cc +++ b/fpga_interchange/site_router.cc @@ -1041,13 +1041,14 @@ static void apply_routing(Context *ctx, const SiteArch &site_arch, pool<std::pai static bool map_luts_in_site(const SiteInformation &site_info, pool<std::pair<IdString, IdString>> *blocked_wires) { const Context *ctx = site_info.ctx; + bool enable_cache = !ctx->arch_args.disable_lut_mapping_cache; // Create a site LUT mapping key SiteLutMappingKey key = SiteLutMappingKey::create(site_info); // Get the solution from cache. If not found then compute it SiteLutMappingResult lutMapping; - if (!ctx->site_lut_mapping_cache.get(key, &lutMapping)) { + if (!enable_cache || !ctx->site_lut_mapping_cache.get(key, &lutMapping)) { const std::vector<LutElement> &lut_elements = ctx->lut_elements.at(site_info.tile_type); std::vector<LutMapper> lut_mappers; @@ -1090,7 +1091,9 @@ static bool map_luts_in_site(const SiteInformation &site_info, pool<std::pair<Id lutMapping.isValid = res; // Add the solution to the cache - ctx->site_lut_mapping_cache.add(key, lutMapping); + if (enable_cache) { + ctx->site_lut_mapping_cache.add(key, lutMapping); + } } // Apply the solution if valid |