EdisonZiXing commented on issue #11141: URL: https://github.com/apache/arrow/issues/11141#issuecomment-918725879
> I'm afraid you will need to explain in more detail what you are trying to do and what results you are expecting to get. Some operations in Arrow-C++ (which pyarrow uses) will take advantage of multiple threads. These operations are controlled by the functions you mentioned. Mostly today this is in file parsing and decoding. On the other hand, some functions are implemented completely in python (and thus subject to the GIL) and others are implemented in C++ and release the GIL but do not use multiple threads. Sorry master，I didn't clarify what I was trying to do.Here is the my problem: I'm trying to use gandiva to speed up the filter operations.But I dont know how to use multi-cpus to speed up gandiva. So I wanna find a way to acheive this goal. Looking for -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
