message: Remove unnecessary __syncthreads in dot product
diff: @@ -44,10 +44,8 @@ __global__ void cuKernelDot(const size_t N, double *gdsr,
  if (rdd >= N) { continue; }
  if (dualTid >= blockDim.x) { continue; }
  s_dot[tid] += s_dot[dualTid];
  - __syncthreads();
  }
  if (tid==0) { gdsr[bid] = s_dot[0]; }
  - __syncthreads();
  }
  // *****************************************************************************
  