From 1be406675811c18db9b6461a1b77910a8d61a90d Mon Sep 17 00:00:00 2001
From: allem <allemang.d@gmail.com>
Date: Tue, 10 Dec 2019 21:01:09 -0500
Subject: [PATCH] local copy of row in solver

---
 gpu-opt/main.cu | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gpu-opt/main.cu b/gpu-opt/main.cu
index 88ce520..67ba026 100644
--- 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;
         }
@@ -67,6 +69,8 @@ struct Solver {
             row.r--;
             row.to = next;
         }
+
+        drow = row;
             
         if (row.r - row.l <= 0) { 
             int gen = c_rels[row.rel].gens[row.l & 1];