make_stride
创建Stride,用于规定矩阵行/列方向元素跨度。
接口定义
template<typename... Args>
Stride<Args...> make_stride(Args ... args);
参数
参数名 |
类型 |
描述 |
输入/输出 |
---|---|---|---|
args... |
Args...,支持任意Int<>类型对象及任意Stride<>类型对象作为输入 |
用于定义矩阵行/列方向元素跨度;对于非峰形矩阵只需输入Int<>类型对象,对于峰形矩阵需要输入Stride<>类型对象进行嵌套描述 |
输入 |
返回值
- 返回Stride<Args...>对象
示例
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | #include "stdlib.h" #include "kupl.h" using namespace kupl::tensor; int main() { constexpr int MATRIX_M = 32; constexpr int MATRIX_N = 16; constexpr int MATRIX_K = 512; double *data_a = (double *)malloc(sizeof(double) * MATRIX_M * MATRIX_K); double *data_b = (double *)malloc(sizeof(double) * MATRIX_K * MATRIX_N); double *data_c = (double *)malloc(sizeof(double) * MATRIX_M * MATRIX_N); auto shape_a = make_shape(Int<32>{}, Int<512>{}); auto shape_b = make_shape(Int<512>{}, Int<16>{}); auto shape_c = make_shape(Int<32>{}, Int<16>{}); auto stride_a = make_stride(Int<1>{}, Int<32>{}); auto stride_b = make_stride(Int<16>{}, Int<1>{}); auto stride_c = make_stride(Int<16>{}, Int<1>{}); auto layout_a = make_layout(shape_a, stride_a); auto layout_b = make_layout(shape_b, stride_b); auto layout_c = make_layout(shape_c, stride_c); auto mma_atom_shape = make_shape(Int<1>{}, Int<1>{}, Int<1>{}); auto tiled_mma = make_tiled_mma(Ops<MMA_32x16x512_F64F64F64>{}, mma_atom_shape); auto store_atom_shape = make_shape(Int<1>{}, Int<1>{}); auto tile_store = make_tiled_store(Ops<STORE_32x16_F64>{}, store_atom_shape); auto tensor_a = make_tensor(data_a, layout_a); auto tensor_b = make_tensor(data_b, layout_b); auto tensor_c = make_tensor(data_c, layout_c); tensor_tiled_mma(tiled_mma, tensor_c, tensor_a, tensor_b, tensor_c); tensor_tiled_store(tile_store, tensor_c); free(data_a); free(data_b); free(data_c); return 0; } |

上述示例演示了基于32*16*512_F64F64F64矩阵形状的mma流程,其中通过make_stride创建stride,用于规定矩阵行/列方向的元素跨度。
父主题: 矩阵编程接口函数