[Bug] geo地图大数据量点位label展示卡顿，canvas卡顿更严重

[user2524001]

Version

5.3.2

Link to Minimal Reproduction

https://www.makeapie.cn/echarts_content/xVNl_-jjok.html

Steps to Reproduce

geo地图大数据量点位label展示卡顿，canvas卡顿更严重，svg稍微流畅一些，使用点位两千个label左右；是不是静止状态下一直执行渲染导致？

Current Behavior

1

Expected Behavior

1

Environment

- OS:
- Browser:
- Framework:

Any additional comments?

No response

[echarts-bot]

@user2524001 It seems you are not using English, I've helped translate the content automatically. To make your issue understood by more people and get helped, we'd like to suggest using English next time. 🤗

TRANSLATED

TITLE

[Bug] geo map big data volume point label display lag, canvas lag is more serious

[Srajan-Sanjay-Saxena]

created 2 prs for this bug ... one to echart repo which adds the test case for optimization : #21339
and one which changes the zrender logic of refresh ecomfe/zrender#1142