[Info-vax] VSI OpenVMS Alpha 8.4-2L2

[Arne Vajhøj]

On 7/24/2017 7:00 AM, Jan-Erik Soderholm wrote:
> Den 2017-07-13 kl. 00:43, skrev Jan-Erik Soderholm:
>> First "look and feel" from 8.4-2L2 Alpha.
> 
> Now, all three systems run 8.4-2L2. The two last (dev and prod)
> was still at 8.2 and to get supported upgrade path I went:
> - HP 8.2 => HP 8.4
> - Add 8.4 UPDATE 10
> - HP 8.4 => VSI 8.4-2L2
> 
> A very simple DCL script shows slightly better performance.
> A DCL loop with 10.000 f$user() calls runs approx 30% (!) faster.
> Two other DCL loops with f$extract and f$trnlnm are 5% faster.
> One test with f$getdvi is 5% slower. A test with open/write/delete
> on a file is more or less unchanged, probaby expcted since it is
> mainly I/O bound.
> 
> How much of this that comes from 8.2 vs. 8.4 or from the
> specific 8.4-2L2 changes, I don't know. But I seem to remember
> that I got quite equal results from 8.2 and 8.4 anyway...

Does any of these VMS versions have specific changes to
DCL interpreter, SYS$GETJPI(W), SYS$TRNLNM and SYS$%GETDVI(W)?

If not then I am a bit skeptic that general VMS changes
would have that big an impact.

Arne