[mpich-devel] MPIR_CVAR_CH3_RMA_GC_NUM_TESTED

[Hal Finkel]

----- Original Message -----
> From: "Xin Zhao" <xinzhao3 at illinois.edu>
> To: "Hal Finkel" <hfinkel at anl.gov>, devel at mpich.org
> Cc: "Pavan Balaji" <balaji at anl.gov>
> Sent: Monday, June 30, 2014 2:14:15 PM
> Subject: RE: MPIR_CVAR_CH3_RMA_GC_NUM_TESTED
> 
> Hi Hal,
> 
> Currently the RMA operation list is implemented in CH3 layer, whereas
> the progress engine is implemented in nemesis layer. We didn't pass
> the list to the nemesis layer but only pass the single request
> pointer, so the progress engine now only modify on the request
> pointer. 

Thanks for the explanation. FWIW, I don't understand why the calling code (in CH3) could not test for complete upon return from nemesis and handle it then. Which function handles this?

 -Hal

> This is one of the problems we have with the current
> separation of the CH3 and nemesis layers, we plan to merge these
> layers in future and this should be fixed at that time.
> 
> Thanks,
> Xin
> ________________________________________
> From: Hal Finkel [hfinkel at anl.gov]
> Sent: Monday, June 30, 2014 1:28 PM
> To: devel at mpich.org
> Cc: Zhao, Xin; Pavan Balaji
> Subject: Re: MPIR_CVAR_CH3_RMA_GC_NUM_TESTED
> 
> Xin, et al.,
> 
> Regarding 283319f5d9d1cdbcf016dc0ff8ab284114c0be7e (which added
> MPIR_CVAR_CH3_RMA_GC_NUM_TESTED and associated code): If a request
> is completed by the progress engine, why can't the progress engine
> move it to the beginning of the list (or the end), and have
> rma_list_gc only search from the beginning (or end) until it finds
> an incomplete request?
> 
> Thanks in advance,
> Hal
> 
> --
> Hal Finkel
> Assistant Computational Scientist
> Leadership Computing Facility
> Argonne National Laboratory
> 

-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory