如何提高 plt 生成的图片写入内存的速度？ - V2EX

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这是一个创建于 2435 天前的主题，其中的信息可能已经有所发展或是发生改变。

将图片保存到内存

buffer = io.BytesIO() plt.savefig(buffer, format='png') base64_png = base64.b64encode(buffer.getvalue()) plt.close() buffer.close()

上面这段代码的执行时间大概在 15 秒左右，太慢了，x，y 轴大概各有 1000 个参数。

1 条回复 2019-07-18 16:59:31 +08:00

1

hyperbin

2019 年 7 月 18 日 via Android

不转 base64 试试

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