On Tue, 13 Jan 2009, Tim Mattox wrote:
The cm PML does not use BTLs..., only MTLs, so
... the BTL selection is ignored.
OK, thanks for clarifying this bit, but...
The README for 1.3b2 specifies that CM is now chosen if possible; in my
trials, when I specify CM+BTL, it doesn't complain and works well.
However either the default (no options) or OB1+BTL leads to the jumps
mentioned above, which makes me believe that OB1+BTL is still chosen as
default, contrary to what the README specifies.
... this bit is still unclear to me. Should OB1+BTL or CM+MTL be the
default ? I have just tried using "mpi_show_mca_params" for both
v1.3b2 and v1.3rc3 and this tells me that:
pml= (default value)
pml_cm_priority=30 (default value)
pml_ob1_priority=20 (default value)
which, from what I know, should lead to CM being chosen as the
default. Still for v1.3b2 OB1 seemed to be chosen; for v1.3rc3 I can't
distinguish anymore from timings as they behave very similarly.
--
Bogdan Costescu
IWR, University of Heidelberg, INF 368, D-69120 Heidelberg, Germany
Phone: +49 6221 54 8240, Fax: +49 6221 54 8850
E-mail: bogdan.coste...@iwr.uni-heidelberg.de
