fuzzycow

Thanks for responding! I agree with your comments - its often best to default to pragmatic approach, and to advise developers on the potential impact and ways for further optimization....

Benchmarks: Python reopen before each read (with open(filename,"rb") as f) - ~600 read/per second Python cached filehandle - 1860 to 2300 Golang (reopen file, 5 reader coroutine, 1 consumer coroutine)...