Read it how? I would expect vastly different timings depending on the answer.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of David Crayford [dcrayf...@gmail.com] Sent: Tuesday, February 28, 2023 7:54 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: zOSMF and zOWE for non-mainframers On 28/2/23 20:41, René Jansen wrote: > Depending on what you test and what you want to see of course. You did use > the Rexx compiler? My tests are quite straightforward. I take a 12,000 cylinder SMF sequential file and read it using different programming languages and then compare the timing results. > > 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 ---------------------------------------------------------------------- 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
