local copy of row in solver

2019-12-10 21:01:09 -05:00
parent 2696b7b217
commit 1be4066758
1 changed files with 5 additions and 1 deletions
--- a/gpu-opt/main.cu
+++ b/gpu-opt/main.cu
@@ -47,7 +47,9 @@ struct Solver {
    }
    
    __device__
-    void operator()(Row &row) {
+    void operator()(Row &drow) {
+        Row row = drow;
+
        if (row.r - row.l <= 0) {
            return;
        }
@@ -68,6 +70,8 @@ struct Solver {
            row.to = next;
        }

+        drow = row;
+            
        if (row.r - row.l <= 0) { 
            int gen = c_rels[row.rel].gens[row.l & 1];
            cosets[row.from * c_ngens[0] + gen] = row.to;