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TT stock benchmarks

Benchmark screenshots for various boosters & machines.
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stephen_usher
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Re: TT stock benchmarks

Post by stephen_usher »

Memspeed is saying:

READ 30.1 17.3 17.3
WRITE 20.0 20.0 20.0

All three jumpers are set.
Intro retro computers since before they were retro...
ZX81->Spectrum->Memotech MTX->Sinclair QL->520STM->BBC Micro->TT030->PCs & Sun Workstations.
Added code to the MiNT kernel (still there the last time I checked) + put together MiNTOS.
Collection now with added Macs, Amigas, Suns and Acorns.
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rpineau
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Re: TT stock benchmarks

Post by rpineau »

4Mbits , 512Kx8, 5V, 55ns : https://www.mouser.com/ProductDetail/Mi ... TBuOlXo%3d

4Mbits , 512Kx8, 5V, 45ns : https://www.mouser.com/ProductDetail/Mi ... xJG56nE%3d
Working ones : MegaSTE (68020) / TT030 / Falcon with AB040 & Eclipse / 1040STF
Need testing : Falcon with CT2
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Icky
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Re: TT stock benchmarks

Post by Icky »

Hi Steve

Interesting issue. I have not seen that personally with my Mach64 but I guess it could be me not paying attention.

One thought - I wonder if the VME fix to save 1 clock cycle per transfer would improve this?

Atarian Computing has a good guide on this http://www.atariancomputing.com/blog/tt ... keitfaster

I haven't plucked up the courage to tackle the fix on my TT yet as its a bit precious to me and I need a lot of spare time to make sure I get it right and time is a rare commodity :)
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Steve
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Re: TT stock benchmarks

Post by Steve »

Thanks for the advice, but I think my TT already has that done. I don't know if you run Mint, but a good test is to see how fast the xaaes/teradesk desktop comes up. In 16bit colour it takes about 30 seconds for the desktop to appear, in 256 colours its instantaneous.
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zrhbert
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Re: TT stock benchmarks

Post by zrhbert »

I'm interested in this topic too. My TT also came back with a time value of 7.290 on the Float Math, so half as fast as some of the other benchmarks posted around here. I don't have any CPU acceleration installed, and I'm not sure exactly what the tech history of this device is, but has a GE Soft Mighty Mic 32 B RAM board in it with H514400J-70 and H531000J-70 chips.

I'd love to find out how to get it to work with the faster speed FPU.
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Steve
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Re: TT stock benchmarks

Post by Steve »

zrhbert wrote: Fri Jan 02, 2026 4:16 pm I'm interested in this topic too. My TT also came back with a time value of 7.290 on the Float Math, so half as fast as some of the other benchmarks posted around here. I don't have any CPU acceleration installed, and I'm not sure exactly what the tech history of this device is, but has a GE Soft Mighty Mic 32 B RAM board in it with H514400J-70 and H531000J-70 chips.

I'd love to find out how to get it to work with the faster speed FPU.
There's a jumper next to the FPU & VME port, it sets the FPU to 16mhz or 32mhz. Changing that should fix it.
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