double* result_data = (double*)PyArray_DATA((PyArrayObject*)result_array); cblas_dgemm(CblasRowMajor, CblasNoTrans, CblasNoTrans, rows1, cols2, cols1,1.0, matrix1_data, cols1, matrix2_data, cols2,0.0, result_data, cols2); returnresult_array; } staticPyMethodDef MatrixMultiplyMethods[] ...
#include <cblas.h> #include <lapacke.h> int main() { double A[2][2] = {{1.0, 2.0}, {3.0, 4.0}}; double B[2][2] = {{5.0, 6.0}, {7.0, 8.0}}; double C[2][2]; cblas_dgemm(CblasRowMajor, CblasNoTrans, CblasNoTrans, 2, 2, 2, 1.0, A, 2, B, 2, ...
static doublea[100000000];static doubleb[100000000];static doublec[100000000]; cblas_dgemm(CblasColMajor, CblasNoTrans, CblasNoTrans, (MKL_INT)10000, (MKL_INT)10000, (MKL_INT)10000, 1.0, &a[0], (MKL_INT)10000, &b[0], (MKL_INT)10000, 0.0, &c[0], ...
BLAS库分为三级:一级包括向量操作,二级包括矩阵-向量操作,三级包括矩阵-矩阵操作。 #include <cblas.h> void matrix_multiply(const double *A, const double *B, double *C, int n) { cblas_dgemm(CblasRowMajor, CblasNoTrans, CblasNoTrans, n, n, n, 1.0, A, n, B, n, 0.0, C, n); } 2....
cblas_dgemm(CblasColMajor, CblasNoTrans, CblasNoTrans, (MKL_INT)10000, (MKL_INT)10000, (MKL_INT)10000, 1.0, &a[0], (MKL_INT)10000, &b[0], (MKL_INT)10000, 0.0, &c[0], (MKL_INT)10000); 通过代码生成的报告我们还可以了解m脚本和生成的C代码之间的对应关系。
本节的代码可在github.com/dev-cafe/cmake-cookbook/tree/v1.0/chapter-10/recipe-01找到,并包含一个 C++示例。本节适用于 CMake 版本 3.6(及更高版本),并在 GNU/Linux、macOS 和 Windows 上进行了测试。 在本节的第一节中,我们将介绍我们的小项目以及将在后续节中使用的一些基本概念。安装文件、库和可执...
//C=1.0*A*B+0.0*Cgsl_blas_dgemm(CblasNoTrans,CblasNoTrans,1.0,A,B,0.0,C);// C=1.0*A*B+0.0*Cgsl_blas_dsymm(CblasLeft, CblasUpper, 1.0, A, B, 0.0, C);// C=1.0*B*A+0.0*Cgsl_blas_dsymm(CblasRight, CblasUpper, 1.0, A, B, 0.0, C);//三角矩阵在左侧 上三角 不转置 不对...
"_cblas_dgemm", referenced from: lapack_gemm64f(double const*, unsigned long, double const*, unsigned long, double, double const*, unsigned long, double, double*, unsigned long, int, int, int, int) in libopencv_core.a(hal_internal.cpp.o) "_cblas_sgemm", referenced from: lapack_ge...
clblasSgemm(cblas_row_major, transA, transB, m, n, k, alpha, A.ocl_buf, ct.c_size_t(A_offset), lda, B.ocl_buf, ct.c_size_t(B_offset), ldb, beta, C.ocl_buf, ct.c_size_t(C_offset), ldc, ct.c_size_t(1), ct.byref(_queue), ct.c_size_t(num_wait), wait_for, ...
(PyArrayObject*)result_array);cblas_dgemm(CblasRowMajor,CblasNoTrans,CblasNoTrans,rows1,cols2,cols1,1.0,matrix1_data,cols1,matrix2_data,cols2,0.0,result_data,cols2);returnresult_array;}staticPyMethodDefMatrixMultiplyMethods[]={{"matrix_multiply",matrix_multiply,METH_VARARGS,"Multiply two ...