Dear Franz,
thank you for communicating your findings. What exact hardware (processor, speed, memory, system
load, etc.) was the test running on? Maybe you could supply the rexxcps value for your computer (see
oorexx\samples\rexxcps.rex)?
Cheers
---rony
On 15.08.2026 13:09, Franz Marx wrote:
Dear developers!
My last message regarding the performance comparison between compiled and
native codewas completely incorrect.
I forgot in my tests to switch into flight mode, very sorry!
🥲
*These are my last performance tests calculating 1.000.000 primes*
2026-08-15 12:02:16 Prime(V5.0) for FM-ACER(Windows11: *PrimeV50.rex*) using
REXX-ooRexx_5.2.0(MT)_64-bit 6.06 18 Apr 2026 (Authors Walter Pachl & F. Marx)
2026-08-15 12:02:27 Calculation of 1.000.000 Primes now starts
12:02:27 - 12:09:27 Duration *420* Secs. 1000000 Primes calculated, the last one = 15485863 ,
Primes per second: *2380.95*
2026-08-15 12:19:32 Prime(V5.0) for FM-ACER(Windows11: *PrimeV50.cmp.rex*) using
REXX-ooRexx_5.2.0(MT)_64-bit 6.06 18 Apr 2026 (Authors Walter Pachl & F. Marx)
2026-08-15 12:19:43 Calculation of 1.000.000 Primes now starts
12:19:43 - 12:26:29 Duration *406* Secs. 1000000 Primes calculated, the last one = 15485863 ,
Primes per second: *2463.05*
Special thanks to Ronyto find the error in my reasoning!
Regards to all!
Franz
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