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一景GF-6 WFV影像的八个波段运行6s大气校正所需的时间大概是3小时,更改nBlockSize = 1024为nBlockSize = 8192可以将时间减少一半,但还是太久。 能否在引入多线程增大CPU利用率呢?它似乎只用到了Xeon CPU 40核中的两核。如果不能,还有其它方法增大处理速度吗?
The text was updated successfully, but these errors were encountered:
由于gdal读写机制的限制,多线程处理不太适合,速度提高不会太快,就我的实际经验来说,如果计算机性能支持的话,可以考虑使用多进程,一次处理多个波段的数据。
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一景GF-6 WFV影像的八个波段运行6s大气校正所需的时间大概是3小时,更改nBlockSize = 1024为nBlockSize = 8192可以将时间减少一半,但还是太久。
能否在引入多线程增大CPU利用率呢?它似乎只用到了Xeon CPU 40核中的两核。如果不能,还有其它方法增大处理速度吗?
The text was updated successfully, but these errors were encountered: