[Info-vax] OS implementation languages

Arne Vajhøj arne at vajhoej.dk
Tue Aug 29 19:06:08 EDT 2023


On 8/29/2023 6:49 PM, Craig A. Berry wrote:
> On 8/29/23 3:27 PM, bill wrote:
>> On 8/29/2023 3:18 PM, Johnny Billquist wrote:
>>> On 2023-08-29 19:25, Simon Clubley wrote:
>>>> On a more serious note, I wonder what the maximum rate VMS is capable
>>>> of emitting data at if it was using the fastest network hardware
>>>> available.
>>>
>>> What a weird question. VMS in itself don't have any limits. It's all 
>>> always just about the hardware.
>>
>> Not really.  VMS has always been notoriously slow with I/O and I assume
>> that's what Simon was hinting at.
> 
> Right, and differently so for different kinds of I/O.  See posts from a
> few years ago by (I think) Eric Johnson on performance testing of the
> network stack.  And I wish I could remember the name of the guy who
> posted about slow disk I/O even longer ago (Dave something?) including
> code to do the testing.

David Mathog?

Arne





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