Class ggml_tallocr

sam3.cpp:11641–11641

        auto* st = ggml_new_tensor_2d(tracker.ctx, GGML_TYPE_F32, MD, N_perc);
        auto* sb = ggml_backend_alloc_buffer(model.backend, MD * N_perc * sizeof(float));
        struct ggml_tallocr ta_perc = ggml_tallocr_new(sb);
        ggml_tallocr_alloc(&ta_perc, st);
        tracker.owned_buffers.push_back(sb);
        ggml_backend_tensor_set(st, perc_latents.data(), 0, MD * N_perc * sizeof(float));