列出 nvidia 顯示卡狀態

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#include <stdio.h>
#include <cuda.h>
 
void displayProperties(cudaDeviceProp* cdevprop) {
    if (!cdevprop) return;
    printf("Device name : %s \n", cdevprop->name);
    printf("================================\n");
    printf("Total global memory : %d KB\n", cdevprop->totalGlobalMem / 1024);
    printf("Shared memory per block : %d KB\n", cdevprop->sharedMemPerBlock / 1024);
    printf("Registers per thread block : %d\n", cdevprop->regsPerBlock);
    printf("Warp size in threads : %d\n", cdevprop->warpSize);
    printf("Memory pitch : %d bytes\n", cdevprop->memPitch);
    printf("Maximum threads per block : %d\n", cdevprop->maxThreadsPerBlock);
    printf("Maximum thread dimension (block) : %d %d %d\n", cdevprop->maxThreadsDim[0], cdevprop->maxThreadsDim[1], cdevprop->maxThreadsDim[2]);
    printf("Maximum thread dimension (grid) : %d %d %d\n", cdevprop->maxGridSize[0], cdevprop->maxGridSize[1], cdevprop->maxGridSize[2]);
    printf("Total constant memory :  %d bytes\n", cdevprop->totalConstMem);
    printf("CUDA version : %d.%d\n", cdevprop->major, cdevprop->minor);
    printf("Clock rate : %d KHz\n", cdevprop->clockRate);
    printf("Texture alignment : %d bytes\n", cdevprop->textureAlignment);
    printf("Device overlap : %s \n", cdevprop-> deviceOverlap?"Allowed":"Not Allowed");
    printf("Number of multiprocessors : %d\n", cdevprop->multiProcessorCount);
}
 
int main(void) {  
    cudaDeviceProp dev;  
    int devCount = 0;  
 
    cudaGetDeviceCount(&devCount);
    printf("Device found: %d\n", devCount);
    for (int i = 0; i < devCount; ++i) {
        memset(&dev, 0, sizeof(dev));
        if (cudaSuccess == cudaGetDeviceProperties(&dev, i)) {
            displayProperties(&dev);
        } else {
            printf("\n%s", cudaGetErrorString(cudaGetLastError()));
        }
    }
}

#include <stdio.h> #include <cuda.h> void displayProperties(cudaDeviceProp* cdevprop) { if (!cdevprop) return; printf("Device name : %s \n", cdevprop->name); printf("================================\n"); printf("Total global memory : %d KB\n", cdevprop->totalGlobalMem / 1024); printf("Shared memory per block : %d KB\n", cdevprop->sharedMemPerBlock / 1024); printf("Registers per thread block : %d\n", cdevprop->regsPerBlock); printf("Warp size in threads : %d\n", cdevprop->warpSize); printf("Memory pitch : %d bytes\n", cdevprop->memPitch); printf("Maximum threads per block : %d\n", cdevprop->maxThreadsPerBlock); printf("Maximum thread dimension (block) : %d %d %d\n", cdevprop->maxThreadsDim[0], cdevprop->maxThreadsDim[1], cdevprop->maxThreadsDim[2]); printf("Maximum thread dimension (grid) : %d %d %d\n", cdevprop->maxGridSize[0], cdevprop->maxGridSize[1], cdevprop->maxGridSize[2]); printf("Total constant memory : %d bytes\n", cdevprop->totalConstMem); printf("CUDA version : %d.%d\n", cdevprop->major, cdevprop->minor); printf("Clock rate : %d KHz\n", cdevprop->clockRate); printf("Texture alignment : %d bytes\n", cdevprop->textureAlignment); printf("Device overlap : %s \n", cdevprop-> deviceOverlap?"Allowed":"Not Allowed"); printf("Number of multiprocessors : %d\n", cdevprop->multiProcessorCount); } int main(void) { cudaDeviceProp dev; int devCount = 0; cudaGetDeviceCount(&devCount); printf("Device found: %d\n", devCount); for (int i = 0; i < devCount; ++i) { memset(&dev, 0, sizeof(dev)); if (cudaSuccess == cudaGetDeviceProperties(&dev, i)) { displayProperties(&dev); } else { printf("\n%s", cudaGetErrorString(cudaGetLastError())); } } }