On 4/6/2010 5:09 PM, Jeff Squyres wrote:
> On Apr 6, 2010, at 6:04 PM, Oliver Geisler wrote:
>
>> Further our benchmark started with "--mca btl tcp,self" runs with short
>> communication times, even using kernel 2.6.33.1
>
> I'm not sure what this statement means (^^). Can you explain?
>
In the
WHAT: Change the bml_base_btl_array to be an array of
pointers to structs instead of array of structs themselves.
WHY: Some PMLs (like the failover one I am working on) may map
out a BTL when an error is seen. Currently, the act of mapping out a
BTL for communication means removing an entry f
Hi Matthias,
Yes, you are right ,my g++ version is 4.1 and my gcc is 4.3, i update the
g++,it's ok now.
Thanks & Regards
Yaohui
On Tue, Apr 6, 2010 at 4:33 PM, Matthias Jurenz <
matthias.jur...@tu-dresden.de> wrote:
> Hi Yaohui,
>
> can you tell me the version of your gcc and g++ compiler?
> It
Oliver Geisler wrote:
Using netpipe and comparing tcp and mpi communication I get the
following results:
TCP is much faster than MPI, approx. by factor 12
Faster? 12x? I don't understand the following:
e.g a packet size of 4096 bytes deliveres in
97.11 usec with NPtcp and
15338.98 usec
dear teachers:
In orte_globals.h, there is a data structure.
typedef struct {
/* index to node */
int32_t node;
/* local rank */
orte_local_rank_t local_rank;
/* node rank */
orte_node_rank_t node_rank;
} orte_pmap_t;
And I do not understand what both local_rank and
