[Info-vax] OS implementation languages

Craig A. Berry craigberry at nospam.mac.com
Tue Aug 29 20:41:34 EDT 2023


On 8/29/23 6:06 PM, Arne Vajhøj wrote:
> 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?

Yes, he's the one.




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