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Re: [charm] [ppl] Question about the macro "CMK_SHARED_VARS_UNAVAILABLE"

From: Phil Miller <mille121 AT illinois.edu>
To: Xuehan Xu <xxhdx1985126 AT gmail.com>
Cc: Charm Mailing List <charm AT cs.illinois.edu>
Subject: Re: [charm] [ppl] Question about the macro "CMK_SHARED_VARS_UNAVAILABLE"
Date: Tue, 18 Jan 2011 10:31:41 -0600
List-archive: <http://lists.cs.uiuc.edu/pipermail/charm>
List-id: CHARM parallel programming system <charm.cs.uiuc.edu>

It means there won't be multiple PEs sharing virtual address space as
multiple threads in a common process. In other words, shared variables
are available on SMP and multicore builds of Charm, but not the
versions that fork a separate process per PE.

On Tue, Jan 18, 2011 at 10:12, Xuehan Xu
<xxhdx1985126 AT gmail.com>
wrote:
> Dear sirs:
> I've been reviewing charm source code in the past few days, and I
> discovered "CMK_SHARED_VARS_UNAVAILABLE" is defined, then the field "cpus"
> of every element of the "nodetab_table" can only be 1, why is that? What
> does the macro "CMK_SHARED_VARS_UNAVAILABLE" mean?
>
> _______________________________________________
> ppl mailing list
> ppl AT cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/ppl
>
>

Re: [charm] [ppl] Question about the macro "CMK_SHARED_VARS_UNAVAILABLE", Phil Miller, 01/18/2011
- Re: [charm] [ppl] Question about the macro "CMK_SHARED_VARS_UNAVAILABLE", Xuehan Xu, 01/19/2011
  - Re: [charm] [ppl] Question about the macro "CMK_SHARED_VARS_UNAVAILABLE", Phil Miller, 01/19/2011
    - Message not available
      - Re: [charm] [ppl] Question about the macro "CMK_SHARED_VARS_UNAVAILABLE", Phil Miller, 01/20/2011