ggml_tensor 结构体阅读笔记

// n-dimensional tensor
struct ggml_tensor {
    enum ggml_type type; // 张量的每个元素的类型

    struct ggml_backend_buffer * buffer; // 真实数据存放的 buffer

    int64_t ne[GGML_MAX_DIMS]; // number of elements
    size_t  nb[GGML_MAX_DIMS]; // stride in bytes:
                               // nb[0] = ggml_type_size(type)
                               // nb[1] = nb[0]   * (ne[0] / ggml_blck_size(type)) + padding
                               // nb[i] = nb[i-1] * ne[i-1]

    // compute data
    enum ggml_op op;

    // op params - allocated as int32_t for alignment
    int32_t op_params[GGML_MAX_OP_PARAMS / sizeof(int32_t)];

    int32_t flags;

    struct ggml_tensor * src[GGML_MAX_SRC];

    // source tensor and offset for views
    struct ggml_tensor * view_src;
    size_t               view_offs;

    void * data;

    char name[GGML_MAX_NAME];

    void * extra; // extra things e.g. for ggml-cuda.cu

    char padding[8];
};