./BlackScholes Starting... Initializing data... ...allocating CPU memory for options. ...allocating GPU memory for options. ...generating input data in CPU mem. ...copying input data to GPU mem. Data init done. Executing Black-Scholes GPU kernel (512 iterations)... iterations)... BlackScholes.cu(171) : cutilCheckMsg() CUTIL CUDA error : BlackScholesGPU() execution failed : unspecified launch failure.