关系图节点数较多时展现问题echarts graph配置项内容和展示

关系图中，当节点数据大于 1000 左右以后，加载数据时节点加载闪动、而且在各节点维持力平衡是，节点圆也会闪动消失，不在像节点数只有几十的时候那么流畅，除了限制节点数据量，有什么办法或配置得到更优的展现效果吗

      var uploadedDataURL = "/asset/get/s/data-1461736688440-B1OeSA6x.gexf";

myChart.showLoading();
$.get(uploadedDataURL, function (xml) {
    myChart.hideLoading();

   var rdataArr = [];
   var rlinks = [];
   var dataentryf = {
				name : '测试',
				symbolSize:100,
				draggable:true,
				category:'测试'
			}
			rdataArr.push(dataentryf);
    for (var i = 0; i < 1500; i++) {
       	var dataentry = {
				name : '测试'+i,
				draggable:true,
				category:'测试'
			}
		rdataArr.push(dataentry);
		var datalink = {
		    source: "测试",
            target:  '测试'+i,
		}
		rlinks.push(datalink);
    }
  
    option = {
        title: {
            text: 'Les Miserables',
            subtext: 'Default layout',
            top: 'bottom',
            left: 'right'
        },
        tooltip: {},
        
        animation: false,
        series : [
            {
                name: '测试',
                type: 'graph',
                layout: 'force',
                data: rdataArr,
                links: rlinks,
                categories: [{itemStyle:{normal:{color:'black'}}}],
                roam: true,
                label: {
                    normal: {
                        position: 'right'
                    }
                },
                force: {
                    repulsion: 100
                }
            }
        ]
    };

    myChart.setOption(option);
}, 'xml');