[Wrf-users] PGI accelerator files in WRF 3.4.1

[Dmitry N. Mikushin]

Dear Carl,

I think this part is only intended for use with PGI Accelerator, and was
started before OpenACC standardization -
http://www.pgroup.com/lit/articles/insider/v1n3a1.htm. OpenACC slightly
differs from original PGI Accelerator - this might be the reason for
failure messages. Unfortunately, with newer PGI compiler it does not seem
to work either, we've recently checked and reported the issue here:
http://www.pgroup.com/userforum/viewtopic.php?t=3100&start=10
Might be best to check with Michael and Craig about its status, we are also
very interested.

Best regards,
- Dima.

2012/9/12 Carl Ponder <cponder at nvidia.com>

>  The WRFV3.4.1.TAR.gz distro includes the two files
>
> WRFV3/phys/module_mp_wsm3_accel.F
> WRFV3/phys/module_mp_wsm5_accel.F
>
> that are written to work with PGI Accelerator.
> I tried the configuration
>
>   30.  Cray XT CLE/Linux x86_64, PGI compiler with gcc  (dm+sm)
>
> and made these changes to the configure.wrf
>
> CPP      =  /lib/cpp -C -P $(TRADFLAG)* -D_ACCEL -DACCEL*         # Not
> sure how the mangling is done.
> FCFLAGS  =  $(FCOPTIM) $(FCBASEOPTS)* -ta=nvidia -Mcuda=4.0,cc20
> -Minfo=accel*
>
> but got these errors
>
> wsm32d:
>     279, Accelerator region ignored
>     361, Accelerator restriction: an unsupported operation was found
>     371, Accelerator restriction: unsupported operation: RSQRTSS
>     519, Accelerator restriction: an unsupported operation was found
>     527, Accelerator restriction: unsupported operation: RSQRTSS
>     547, Accelerator restriction: an unsupported operation was found
>     553, Accelerator restriction: unsupported operation: RSQRTSS
>   0 inform,   1 warnings,   0 severes, 0 fatal for wsm32d
> wsm52d:
>     348, Accelerator region ignored
>     476, Accelerator restriction: an unsupported operation was found
>     488, Accelerator restriction: unsupported operation: RSQRTSS
>     549, Accelerator restriction: an unsupported operation was found
>     557, Accelerator restriction: unsupported operation: RSQRTSS
>     704, Accelerator restriction: an unsupported operation was found
>     712, Accelerator restriction: unsupported operation: RSQRTSS
>     732, Accelerator restriction: an unsupported operation was found
>     744, Accelerator restriction: unsupported operation: RSQRTSS
>    1119, Accelerator region ignored
>    1246, Accelerator restriction: an unsupported operation was found
>    1258, Accelerator restriction: unsupported operation: RSQRTSS
>    1319, Accelerator restriction: an unsupported operation was found
>    1327, Accelerator restriction: unsupported operation: RSQRTSS
>    1465, Accelerator restriction: an unsupported operation was found
>    1473, Accelerator restriction: unsupported operation: RSQRTSS
>    1493, Accelerator restriction: an unsupported operation was found
>    1505, Accelerator restriction: unsupported operation: RSQRTSS
>   0 inform,   2 warnings,   0 severes, 0 fatal for wsm52d
>
> Can any of you send me a configure.wrf and a list of build instructions
> that will work for this?
> I'm running on a Cray.
> Thanks,
>
>                     Carl Ponder
>
>
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