Fastest way to process a large file?

2022年8月3日 — The popular way is to use the readlines() method that returns a list of all the lines in the file. However, it's not suitable to read a large ...

2020年5月14日 — Python isn't actually slow to read/write files. I manage to read/write binary files (with very complicated formats) at 500 MB/second. It's ...

2015年5月18日 — The simplest way to do that is to use readlines(bufsize) for some large bufsize . (You can try different numbers and measure them to see where ...

2022年1月25日 — The first thing that I spot is that you are opening the output files for each line. You could open them once and them process all the lines.

2023年7月26日 — In this tutorial, we will explore the concept of multi-threading in Python and how to utilize it to read files concurrently.

2021年2月22日 — A library to read Faster files with python. The faster acquisiton system comes with it's own C++ code for data unpacking and analysis: ...

2022年9月13日 — To read large text files in Python, we can use the file object as an iterator to iterate over the file and perform the required task. Since the ...

2023年2月5日 — What are the fastest ways to read text lines in large files by Python? The other answers (i.e., open/read) are the fastest to program and ...