cleanup: Spelling fixes

Signed-off-by: D. Shah <dave@ds0.me>

4 files changed, 12 insertions, 11 deletions

diff --git a/common/placer1.cc b/common/placer1.cc
index 92f42ba7..49f556f7 100644
--- a/common/placer1.cc
+++ b/common/placer1.cc
@@ -406,7 +406,7 @@ class SAPlacer
         auto saplace_end = std::chrono::high_resolution_clock::now();
         log_info("SA placement time %.02fs\n", std::chrono::duration<float>(saplace_end - saplace_start).count());
 
-        // Final post-pacement validitiy check
+        // Final post-placement validity check
         ctx->yield();
         for (auto bel : ctx->getBels()) {
             CellInfo *cell = ctx->getBoundBelCell(bel);
@@ -548,7 +548,7 @@ class SAPlacer
             goto swap_fail;
         }
 
-        // Recalculate metrics for all nets touched by the peturbation
+        // Recalculate metrics for all nets touched by the perturbation
         compute_cost_changes(moveChange);
 
         new_dist = get_constraints_distance(ctx, cell);
@@ -560,7 +560,7 @@ class SAPlacer
         if (cfg.netShareWeight > 0)
             delta += -cfg.netShareWeight * (net_delta_score / std::max<double>(total_net_share, epsilon));
         n_move++;
-        // SA acceptance criterea
+        // SA acceptance criteria
         if (delta < 0 || (temp > 1e-8 && (ctx->rng() / float(0x3fffffff)) <= std::exp(-delta / temp))) {
             n_accept++;
         } else {
@@ -691,7 +691,7 @@ class SAPlacer
                     cfg.netShareWeight * (orig_share_cost - total_net_share) / std::max<double>(total_net_share, 1e-20);
         }
         n_move++;
-        // SA acceptance criterea
+        // SA acceptance criteria
         if (delta < 0 || (temp > 1e-9 && (ctx->rng() / float(0x3fffffff)) <= std::exp(-delta / temp))) {
             n_accept++;
 #if 0
diff --git a/common/placer_heap.cc b/common/placer_heap.cc
index 63d53b2d..f10d4139 100644
--- a/common/placer_heap.cc
+++ b/common/placer_heap.cc
@@ -195,8 +195,8 @@ class HeAPPlacer
             }
 
         if (cfg.placeAllAtOnce) {
-            // Never want to deal with LUTs, FFs, MUXFxs seperately,
-            // for now disable all single-cell-type runs and only have heteregenous
+            // Never want to deal with LUTs, FFs, MUXFxs separately,
+            // for now disable all single-cell-type runs and only have heterogeneous
             // runs
             heap_runs.clear();
         }
@@ -205,7 +205,7 @@ class HeAPPlacer
         // The main HeAP placer loop
         log_info("Running main analytical placer.\n");
         while (stalled < 5 && (solved_hpwl <= legal_hpwl * 0.8)) {
-            // Alternate between particular Bel types and all bels
+            // Alternate between particular bel types and all bels
             for (auto &run : heap_runs) {
                 auto run_startt = std::chrono::high_resolution_clock::now();
 
@@ -321,7 +321,7 @@ class HeAPPlacer
     std::vector<std::vector<std::vector<std::vector<BelId>>>> fast_bels;
     std::unordered_map<IdString, std::tuple<int, int>> bel_types;
 
-    // For fast handling of heterogeneosity during initial placement without full legalisation,
+    // For fast handling of heterogeneity during initial placement without full legalisation,
     // for each Bel type this goes from x or y to the nearest x or y where a Bel of a given type exists
     // This is particularly important for the iCE40 architecture, where multipliers and BRAM only exist at the
     // edges and corners respectively
@@ -1595,7 +1595,7 @@ class HeAPPlacer
                 std::accumulate(right_bels_v.begin(), right_bels_v.end(), 0) == 0)
                 return {};
 
-            // Peturb the source cut to eliminate overutilisation
+            // Perturb the source cut to eliminate overutilisation
             auto is_part_overutil = [&](bool r) {
                 double delta = 0;
                 for (size_t t = 0; t < left_cells_v.size(); t++) {
diff --git a/common/router2.cc b/common/router2.cc
index 8373fa70..49d5fdec 100644
--- a/common/router2.cc
+++ b/common/router2.cc
@@ -412,7 +412,7 @@ struct Router2
         WireId cursor = sink;
         bool done = false;
         if (ctx->debug)
-            log("resevering wires for arc %d of net %s\n", int(i), ctx->nameOf(net));
+            log("reserving wires for arc %d of net %s\n", int(i), ctx->nameOf(net));
         while (!done) {
             auto &wd = wire_data(cursor);
             if (ctx->debug)
diff --git a/common/timing.cc b/common/timing.cc
index 2a01c0ac..d8445989 100644
--- a/common/timing.cc
+++ b/common/timing.cc
@@ -317,7 +317,8 @@ struct Timing
                             auto &data = net_data[port.second.net][start_clk];
                             auto &arrival = data.max_arrival;
                             arrival = std::max(arrival, usr_arrival + comb_delay.maxDelay());
-                            if (!budget_override) { // Do not increment path length if budget overriden since it doesn't
+                            if (!budget_override) { // Do not increment path length if budget overridden since it
+                                                    // doesn't
                                 // require a share of the slack
                                 auto &path_length = data.max_path_length;
                                 path_length = std::max(path_length, net_length_plus_one);