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fix gen rand data and use of cublasHgemm #1

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fix gen rand data and use of cublasHgemm #1

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18 changes: 9 additions & 9 deletions utils.h
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Original file line number Diff line number Diff line change
Expand Up @@ -99,9 +99,9 @@ float testF16F16GemmMaxError(

srand(time(0));
for (int i = 0; i < M * K; i++)
h_a[i] = (T)(rand() / 65504 - 65504/2);
h_a[i] = (T)((rand() % 200 - 100) * 0.01); // -1 ~ 1
for (int i = 0; i < K * N; i++)
h_b[i] = (T)(rand() / 65504 - 65504/2);
h_b[i] = (T)((rand() % 200 - 100) * 0.01);

cpuF16F16Gemm(h_a, h_b, h_c, M, N, K);

Expand Down Expand Up @@ -148,9 +148,9 @@ float testF16F16GemmMaxError_V2(

srand(time(0));
for (int i = 0; i < M * K; i++)
h_a[i] = (T)(rand() / 65504 - 65504/2);
h_a[i] = (T)((rand() % 200 - 100) * 0.01); // -1 ~ 1
for (int i = 0; i < K * N; i++)
h_b[i] = (T)(rand() / 65504 - 65504/2);
h_b[i] = (T)((rand() % 200 - 100) * 0.01);

cublasHandle_t handle;
cublasCreate(&handle);
Expand All @@ -160,12 +160,12 @@ float testF16F16GemmMaxError_V2(
cudaMemcpy(d_a, h_a, size_a, cudaMemcpyHostToDevice);
cudaMemcpy(d_b, h_b, size_b, cudaMemcpyHostToDevice);

cublasHgemm(handle, CUBLAS_OP_T, CUBLAS_OP_N, M, N, K,
&alpha, (half *)d_a, K, (half *)d_b, K,
&beta, (half *)d_c_ref, N);
// cublasHgemm(handle, CUBLAS_OP_T, CUBLAS_OP_N, N, M, K,
// &alpha, (half *)d_b, K, (half *)d_a, K,
// cublasHgemm(handle, CUBLAS_OP_T, CUBLAS_OP_N, M, N, K,
// &alpha, (half *)d_a, K, (half *)d_b, K,
// &beta, (half *)d_c_ref, N);
cublasHgemm(handle, CUBLAS_OP_T, CUBLAS_OP_N, N, M, K,
&alpha, (half *)d_b, K, (half *)d_a, K,
&beta, (half *)d_c_ref, N);
// 上面两种调用 cublas 方式等同
gpuF16F16Gemm(d_a, d_b, d_c, M, N, K);

Expand Down