[Info-vax] DFU for x86-64?

Arne Vajhøj arne at vajhoej.dk
Wed Apr 5 11:37:02 EDT 2023


On 4/5/2023 10:50 AM, Robert A. Brooks wrote:
> On 4/5/2023 9:29 AM, Arne Vajhøj wrote:
>> Many DFU features sounds relevant for SSD as well (just not defrag).
>>
>> And even for defrag then VSI has ported DFG to x86-64 per:
>>    https://vmssoftware.com/products/disk-file-optimizer/
> 
> Yeah, I did that; it was pretty much simply recompile the code and 
> ensure that
> nothing broke.

VMS is VMS.

:-)

There tend to be a lot of negative talk about the burden VMS has
from decisions made in the late 70's when VMS was created and
decisions made in the early 90's when porting from VAX to Alpha -
along the lines of "why do we still do XYZ when it does no longer
make any sense".

But there is an upside to that backwards compatibility. One does
not port from VAX to Alpha to Itanium to x86-64. One just rebuild.

Arne





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