Depending on what you test and what you want to see of course. You did use the Rexx compiler?
René. > On 28 Feb 2023, at 06:47, David Crayford <dcrayf...@gmail.com> wrote: > > On 25/2/23 01:23, Farley, Peter wrote: >> Python on the mainframe is pretty good, but still can't beat out Rexx in >> performance even when the Rex script needs to use BPXWUNIX and friends to >> access z/OS Unix file systems, >> > > I have conducted a series of benchtests, and the results suggest that REXX is > not as fast as Python. In my testing, I compare the performance of C, Lua, > Python, and REXX, and the results are clear: C is the fastest, followed by > Lua, which is within an order of magnitude of C. Python comes next, within an > order of magnitude of Lua, and REXX consistently performs the poorest. In > addition to the performance factor, the vast Python ecosystem compared to the > limited options available for REXX also make it an easy decision. Python is > also simpler to extend with packages, while REXX requires more effort and > potentially complex steps, such as using modern libraries that require > Language Environment (LE). > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
