[Info-vax] VMS on Raspberry Pi 5

[Arne Vajhøj]

On 11/13/2023 4:42 PM, Bob Eager wrote:
> On Mon, 13 Nov 2023 16:06:59 -0500, Arne Vajhøj wrote:
> 
>> On 11/13/2023 4:03 PM, Bob Eager wrote:
>>> On Mon, 13 Nov 2023 16:26:19 +0000, Scott Dorsey wrote:
>>>> Ahem A Rivet's Shot  <steveo at eircom.net> wrote:
>>>>>>
>>>>>> How does that compare with a real VAX or a PDP/11?
>>>>>
>>>>> 	One VUPS is supposed to be one original VAX CPU running VMS.
>>>>
>>>> Right, so this is about a Vax 6000 or so, right?
>>>
>>> No. Original VAX. An 11/780.
>>>
>>> A VAX 6000 (one CPU) was about 7 VUPs, as I recall.
>>
>> I think he meant that the VAX 6000 was about 30 VUPS.
>>
>> It depends on what 6000. A 6n0 is 32 VUPS but a 4n0 is 7 VUPS.
> 
> Is that a single CPU, as I stated?

Yes.

But VUPS benchmarks are usually/always single-threaded
so it would not run much faster with 6 CPU's. 6 CPU's
is 6 x 7 or 6 x 32 VUPS not 42 or 192 VUPS.

Arne