[Libre-soc-dev] pysvp64asm: opcode setvli not supported

whygee at f-cpu.org whygee at f-cpu.org
Tue Jun 15 21:55:10 BST 2021


On 2021-06-15 22:49, Luke Kenneth Casson Leighton wrote:
> I just wanted to say, the code size reduction is FIVE times.

Nice !

> the binary is 340 bytes, where the scalar version is 1860.  even
> taking out memcpy which is 25 instructions it is still a 4.5 x
> reduction.
> 
> this is just incredible, i kinda saw all the stories about how Cray
> Vectors reduce program size but, dear holy cow, when you see it "for
> real" it's a different story.

Do you have any reference ?

> Intel is going to have kittens.

I see it this way :
https://www.youtube.com/watch?v=N-qra604RbU

> l.
yg



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