init randoms - each thread gets same seed but different sequence

src/CUDA/CudaBase.cu

@@ -8,7 +8,7 @@ __global__ void initcuRandState(curandState *state, int size, int seed = 0) {
 
   int idx = blockIdx.x * blockDim.x + threadIdx.x;
   if (idx < size) {
-    curand_init(seed + idx, 0, 0, &state[idx]);
+    curand_init(seed, idx, 0, &state[idx]);
   }
 
 }