Function ds4_session_note_prefill_progress

ds4.c:26670–26680

        if (ok) ok = ds4_gpu_embed_token_hc_tensor(metal_graph_cur_hc(&g),
                                                     model->map,
                                                     model->size,
                                                     weights->token_embd->abs_offset,
                                                     (uint32_t)weights->token_embd->dim[1],
                                                     (uint32_t)token,
                                                     DS4_N_EMBD,
                                                     DS4_N_HC) != 0;
        if (ok) ok = ds4_gpu_end_commands() != 0;

        for (uint32_t il = 0; ok && il < DS4_N_LAYER; il++) {
            if (teacher_force) {
                ok = ds4_gpu_tensor_write(metal_graph_cur_hc(&g), 0, cpu_cur, hc_dim * sizeof(float)) != 0;
            }
            ok = ds4_gpu_begin_commands() != 0;
            if (ok) ok = metal_graph_encode_decode_layer(&g, model, &weights->layer[il],