Amigapage - Sito italiano dedicato ad Amiga

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In risposta a divina
[quote=divina]
in un post odierno vengono spiegati in modo semplice, ma preciso, dal principale artefice del progetto, alcuni aspetti basilari delle schede Vampire, ovvero: FPGA, core, memoria grafica:

A) There are FPGAs of different performance levels.
There are FPGA costing per unit $50 having a certain performance.
And there are FPGA twice as fast costing $300 per unit.
And there are even faster FPGAs costing again more.
 
The performance a CPU card at the end has - is the multiplication result of the speed of the FPGA used and the "quality" of the included core.
So if you use a core like 68030 in the Vampire then you will reach 10 MIPS. If you use Apollo 68080 then the same FPGA reaches 130 MIPS.
 
B) We continuously improve the APOLLO 68080 core.
With every release we did improve the core somewhat.
From January to August we improved the core speed by about 30 Mips.
And we will continue to improve it even more.
 
C) Regarding GFX memory.
The limitations times are simple over.
There is no limitation in GFX memory anymore.
SAGA can display GFX in the whole memory of the Vampire.
This means you can today use 128 MB for GFX.
And this is very fast - as the Vampire memory is 50 times faster than even AGA AMIGA memory was...

[/quote]

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Commento
divina	24 Agosto 2016 15:01:31

in un post odierno vengono spiegati in modo semplice, ma preciso, dal principale artefice del progetto, alcuni aspetti basilari delle schede Vampire, ovvero: FPGA, core, memoria grafica:

A) There are FPGAs of different performance levels.
There are FPGA costing per unit $50 having a certain performance.
And there are FPGA twice as fast costing $300 per unit.
And there are even faster FPGAs costing again more.

The performance a CPU card at the end has - is the multiplication result of the speed of the FPGA used and the "quality" of the included core.
So if you use a core like 68030 in the Vampire then you will reach 10 MIPS. If you use Apollo 68080 then the same FPGA reaches 130 MIPS.

B) We continuously improve the APOLLO 68080 core.
With every release we did improve the core somewhat.
From January to August we improved the core speed by about 30 Mips.
And we will continue to improve it even more.

C) Regarding GFX memory.
The limitations times are simple over.
There is no limitation in GFX memory anymore.
SAGA can display GFX in the whole memory of the Vampire.
This means you can today use 128 MB for GFX.
And this is very fast - as the Vampire memory is 50 times faster than even AGA AMIGA memory was...

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