[daip] UVSUB and memory allocation

[Eric Greisen]

Andy Biggs wrote:
> Hi there. UVSUB is failing for me with the following message:
> 
> localh> UVSUB1: Task UVSUB  (release of 31DEC12) begins
> localh> UVSUB1: You are using a non-standard program
> localh> UVSUB1: SETGDS: imaging done with reprojected tangent point(s)
> localh> UVSUB1: Using Clean Component source model
> localh> UVSUB1: FACSET: 0.897173 Jy found from 7919 components
> localh> UVSUB1: Create GROTHN4     .UVSUB .   3 (UV)  on disk  1  cno  203
> localh> UVSUB1: ZMEMRY: MEMORY ALLOCATION FAILS AT UVSUB
> localh> UVSUB1: QINIT: ERROR  3 FROM ZMEMRY DOING GET KWORDS      283791
> localh> UVSUB1: GRDSUB: FAILED TO GET THE NEEDED AP MEMORY
> localh> UVSUB1: Destroyed UV image file: catno=    203 disk= 1
> localh> UVSUB1: Purports to die of UNNATURAL causes
> localh> UVSUB1: pc016987 31DEC12 TST: Cpu=      3.1  Real=     18  IO=         5
> 
> I ran a midnight job immediately beforehand. It seems that CMETHOD='DFT' will work, but will probably take a very long time. If AP size is an issue, I currently have:
> 
>> setmaxap
> AIPS 1: SETMAXAP: current max dynamic AP is  1500.000 Mbytes
> AIPS 1: SETMAXAP: allowed range is  20 to  1536 Mbytes

malloc returned an error asking 283791*1024 words of 8-BYTE memory.
This is over 2.16 Gbytes.  How big are your Clean images?  How much 
memory does your machine have and how busy is it with mail, emacs, ...?


Eric Greisen