NVIDIA的CUDA初步探索（1）

最新推荐文章于 2025-04-06 15:05:09 发布

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最新推荐文章于 2025-04-06 15:05:09 发布

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分类专栏： CUDA

本文链接：https://blog.youkuaiyun.com/qq_31515249/article/details/115892628

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cuda只是基于NVIDIA的显卡的开发。

查看显卡的支持

使用vs2017+cudu10+940mx

坑：版本不要用最新的，就是你CUDA11

1.打开NVIDIA控制面板，

2.查看cuda版本

nvcc -V

3.安装https://developer.nvidia.cn/zh-cn/cuda-downloads

4.安装，自定义，全选，继续

5.https://blog.youkuaiyun.com/a12345676abc/article/details/86160226

6.https://blog.youkuaiyun.com/maweifei/article/details/80565856

https://www.jb51.net/article/147732.htm

#include "cuda_runtime.h"
#include "device_launch_parameters.h"
#include <stdio.h>

int main() {
	int deviceCount;
	cudaGetDeviceCount(&deviceCount);

	int dev;
	for (dev = 0; dev < deviceCount; dev++)
	{
		int driver_version(0), runtime_version(0);
		cudaDeviceProp deviceProp;
		cudaGetDeviceProperties(&deviceProp, dev);
		if (dev == 0)
			if (deviceProp.minor = 9999 && deviceProp.major == 9999)
				printf("\n");
		printf("\nDevice%d:\"%s\"\n", dev, deviceProp.name);
		cudaDriverGetVersion(&driver_version);
		printf("CUDA驱动版本:                  %d.%d\n", driver_version / 1000, (driver_version % 1000) / 10);
		cudaRuntimeGetVersion(&runtime_version);
		printf("CUDA运行时版本:                 %d.%d\n", runtime_version / 1000, (runtime_version % 1000) / 10);
		printf("设备计算能力:                  %d.%d\n", deviceProp.major, deviceProp.minor);
		printf("Total amount of Global Memory:         %u bytes\n", deviceProp.totalGlobalMem);
		printf("Number of SMs:                 %d\n", deviceProp.multiProcessorCount);
		printf("Total amount of Constant Memory:        %u bytes\n", deviceProp.totalConstMem);
		printf("Total amount of Shared Memory per block:    %u bytes\n", deviceProp.sharedMemPerBlock);
		printf("Total number of registers available per block: %d\n", deviceProp.regsPerBlock);
		printf("Warp size:                   %d\n", deviceProp.warpSize);
		printf("Maximum number of threads per SM:        %d\n", deviceProp.maxThreadsPerMultiProcessor);
		printf("Maximum number of threads per block:      %d\n", deviceProp.maxThreadsPerBlock);
		printf("Maximum size of each dimension of a block:   %d x %d x %d\n", deviceProp.maxThreadsDim[0],
			deviceProp.maxThreadsDim[1],
			deviceProp.maxThreadsDim[2]);
		printf("Maximum size of each dimension of a grid:    %d x %d x %d\n", deviceProp.maxGridSize[0], deviceProp.maxGridSize[1], deviceProp.maxGridSize[2]);
		printf("Maximum memory pitch:              %u bytes\n", deviceProp.memPitch);
		printf("Texture alignmemt:               %u bytes\n", deviceProp.texturePitchAlignment);
		printf("Clock rate:                   %.2f GHz\n", deviceProp.clockRate * 1e-6f);
		printf("Memory Clock rate:               %.0f MHz\n", deviceProp.memoryClockRate * 1e-3f);
		printf("Memory Bus Width:                %d-bit\n", deviceProp.memoryBusWidth);
	}
	system("pause");
	return 0;
}