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Questions tagged [benchmarking]

For questions regarding the measurement and comparison of performance of retrocomputers.

8
votes
2answers
395 views

ZX BASIC REM statement overhead

Since my other question has been answered and has given me a way to do high-precision timing, I've been experimenting with it a bit. The first thing I did was write a simple benchmark using the FRAMES ...
5
votes
7answers
887 views

Benchmark between Home computers? What can be a valid parameter for that?

I'm writing my thesis about the home computer market between 1977 and 1984 (focusing on Commodore Inc.so PET, VIC-20 and 64 and competitors). I'm trying to plot a curve describing the technological ...
13
votes
3answers
479 views

Can the CSG 65CE02 CPU be used to accelerate an Apple //e or //c?

The CSG 65CE02 is an improved 6502 microprocessor that was shipped in small quantities by Commodore around 1988. It is used in the Amiga A2232 multi-port serial controller card, and that would be the ...
25
votes
5answers
3k views

Why does the Commodore C128 perform poorly when running CP/M?

I have seen several claims of poor performance of the C128 when running CP/M, and would like to better understand these claims, especially in comparison to other CP/M machines of the early to mid-...
5
votes
1answer
70 views

How to measure time with frame resolution or better using BASIC in an Oric Atmos 48K

Following in the line of this question How can you measure time using BASIC on Atari XL computers? I'd like to ask how can you do the same (measuring time, with a resolution of frames or better if ...
17
votes
2answers
303 views

How can you measure time using BASIC on Atari XL computers?

Some time ago, I benchmarked some 8-bit computers to find out the fastest BASIC interpreter. I ended up using the classic SAXPY benchmark, as I didn't want any I/O overhead to fool the measurement: ...