[Info-vax] problems allocating "large" arrays in OpenVMS-Fortran

Joukj joukj at hrem.nano.tudelft.nl
Mon Oct 28 08:38:15 EDT 2013


Simon Clubley wrote:
> On 2013-10-28, Joukj <joukj at hrem.nano.tudelft.nl> wrote:
>> Hi all,
>>
>> I'm trying to use large arrays in a Fortran program, but it fails 
>> giving: %FOR-F-INSVIRMEM, insufficient virtual memory!
>>
>> PLAESE, can someone point me in the right direction to tune my system in 
>> order to avoid the above error.
>>
> 
> [snip]
> 
> Try a "show process/quota" to see what your _actual_ limits are
> for the process in question.
> 
> I don't see that in the list of items you have provided.
> 
> Simon.
> 
here they come:

(juts before running)

valeta-jj) show proc/quot

28-OCT-2013 13:34:47.85   User: JOUKJ            Process ID:   20C00436
                           Node: VALETA           Process name: "JOUKJ"

Process Quotas:
  Account name: JOUKJ
  CPU limit:                      Infinite  Direct I/O limit:      1024
  Buffered I/O byte count quota:   2099040  Buffered I/O limit:   10000
  Timer queue entry quota:             400  Open file quota:       4999
  Paging file quota:              71985936  Subprocess quota:        40
  Default page fault cluster:           32  AST quota:             1198
  Enqueue quota:                      4000  Shared file limit:        0
  Max detached processes:                0  Max active jobs:          0


and while running with 1GB allocation:

valeta-jj) show proc/id=20C00436/quota

28-OCT-2013 13:36:36.25   User: JOUKJ            Process ID:   20C00436
                           Node: VALETA           Process name: "JOUKJ"

Process Quotas:
  Account name: JOUKJ
  CPU limit:                      Infinite  Direct I/O limit:      1024
  Buffered I/O byte count quota:   2098848  Buffered I/O limit:   10000
  Timer queue entry quota:             400  Open file quota:       4998
  Paging file quota:              70019888  Subprocess quota:        40
  Default page fault cluster:           32  AST quota:             1197
  Enqueue quota:                      4000  Shared file limit:        0
  Max detached processes:                0  Max active jobs:          0


                    Jouk



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