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[BugFix] fix naive_conv.cu #62

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Merged
merged 2 commits into from
Mar 6, 2025
Merged

[BugFix] fix naive_conv.cu #62

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46d33ae
fix naive_conv.cu
Yi-sir Mar 5, 2025
086fb88
fix typo
Yi-sir Mar 5, 2025
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13 changes: 7 additions & 6 deletions docs/12_convolution/01_naive_conv/naive_conv.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -133,12 +133,12 @@ int main()
const int k = 5; // 卷积核数量
const int r = 3; // 卷积核高
const int s = 3; // 卷积核宽
const int out_h = (h - r + 2 * 0) / 1 + 1; // 输出高
const int out_w = (w - s + 2 * 0) / 1 + 1; // 输出宽
const int u = 1; // 卷积在高方向上的步长
const int v = 1; // 卷积在宽方向上的步长
const int p = 0; // 卷积在高方向上的补边
const int q = 0; // 卷积在宽方向上的补边
const int out_h = (h - r + 2 * p) / u + 1; // 输出高
const int out_w = (w - s + 2 * q) / v + 1; // 输出宽

// 分配内存并随机生成输入数据和卷积核
float *in, *weight, *out;
Expand Down Expand Up @@ -168,8 +168,9 @@ int main()
cudaMemcpy(out_device, out, n * k * out_h * out_w * sizeof(float), cudaMemcpyHostToDevice);

// 定义线程块的大小
const int blockDim_x = 16;
const int blockDim_y = 16;
const int blockDim_x =
(out_h * out_w / k) > 1024/k ? 1024/k : (out_h * out_w / k);
const int blockDim_y = k;

// 计算线程块和网格的数量
const int gridDim_x = (out_h * out_w + blockDim_x - 1) / blockDim_x;
Expand Down Expand Up @@ -200,7 +201,7 @@ int main()
{
pass = false;
std::cout << "Verification failed at " << i << "!" << std::endl;
std::cout << "GPU: " << out_cpu[i] << " CPU: " << out[i] << std::endl;
std::cout << "CPU: " << out_cpu[i] << " GPU: " << out[i] << std::endl;
break;
}
}
Expand Down Expand Up @@ -236,4 +237,4 @@ int main()
free(out);

return 0;
}
}