当初想调个代码,没有printf打印,可是难过了半天,最后还是同事翻了墙才找到了答案。
结果超级超级简单,添加#include <stdio.h>
详见样例:
import pycuda.driver as cuda
import pycuda.autoinit
from pycuda.compiler import SourceModule
mod = SourceModule("""
#include <stdio.h>
__global__ void say_hi()
{
printf("I am %d.%d\\n", threadIdx.x, threadIdx.y);
}
""")
func = mod.get_function("say_hi")
func(block=(4,4,1))
是不是不太相信,来吧,官网demo UsingPrintf
啦啦啦啦